(function($){

////configuration
var width_book           			//width book
var height_book						//height book
var book_slug;						//slug for book
var window_width;                   //width area [px]
var window_height;                  //height area [px]
var zoom_step 		        		//steps size for zoom
var zoom_double_click_enabled;		//enabled double click for zoom
var zoom_double_click;    			//zoom for double click
var gotopage_width;					//width for input field
var is_as_template               	//if this template 
var tool_tip_visible                //tooltip visible
var swf_address                     //swf address
var tools_visible                   //toolbar visible
var rtl                             //right to left


/* =  event ready 
--------------------------*/
$(document).ready(function(e) {		 
	
	if( general.browser_firefox() ) {
		console.log('book:version jquery = '+$.fn.jquery);	
	}
	
	book_v7.ready();
});

$(window).load(function(e){
	
	 book_v7.load()
})



 
/* =  set page
--------------------------*/
     
  setpage=function(nr_) {
      
      if( swf_address == "true" ){ 
          var results= $("#fb7-deeplinking ul li[data-page="+nr_+"]");
		  var address = results.attr('data-address');
	  	  setaddress( $('#fb7').attr('data-current')+"/"+address);	
      }else{
           $('#fb7-book').turn('page',nr_);      
      }
       
 };
 

/* =  set address
--------------------------*/

 setaddress=function(address_) {
       
	   $.address.value( address_ );
  };


/* =  show lightbox with video 
--------------------------*/

  youtube=function(id_,w_,h_) {

	 var w=w_;
	 var h=h_;
	 var id=id_;
	 
	$('body').prepend('<div id="v7_lightbox"><div class="bcg"></div><iframe class="youtube-player" width='+w+' height='+h+' src="http://www.youtube.com/embed/'+id+'?html5=1" frameborder="0" allowfullscreen></iframe></div>');
  
    $(window).trigger('orientationchange');
	  	
	$("#v7_lightbox").click(function(){
		$(this).children().hide();
		$(this).remove();
        
        book_v7.zoomauto();
	})
	
	$("#v7_lightbox").css('display','block');
	
 };
 
 
/* =  prototype 
--------------------------*/
number.prototype.rtl=function()
{
return (book_v7.getlength()+1)-this.valueof();
}


/* =  local general function 
--------------------------*/
var general={

browser_firefox:function(){	
	if(navigator.useragent.tolowercase().indexof('firefox') > -1) {
	  return true;	
	}else{
	  return false;	
	}
}

}


/* =  flipbook v7
--------------------------*/
var book_v7 = {

	toolsheight:0,   //tools height
    zoom:1,           //zoom
    page_padding:0.1,
    paddingl:0.06,
    paddingr:0.06,
    paddingt:0.05,
    paddingb:0.05,
    currentpage:0,
    


    ready: function(){
	   if( general.browser_firefox() ) {	
       		console.log('book:ready');    
	   }
	   
	   ///even and odd using jquery
	   //$("#fb7-book > div:odd").addclass("odd");
	    ///even and odd
	   //$("#fb7-book > div:even").addclass("even");
  
	  
       //configuration
       var config=$('#fb7-ajax').data('config'); 
       book_v7.config=config; 
       width_book=number(config['page_width'])*2;  	 
       height_book=number(config['page_height']);
       zoom_step=number(config['zoom_step']);
       zoom_double_click_enabled=(config['double_click_enabled']);           
       zoom_double_click=number(config['zoom_double_click'])
       gotopage_width=number(config['gotopage_width']);
       tool_tip_visible=(config['tooltip_visible']);
       swf_address=(config['deeplinking_enabled']);
	   rtl=config['rtl'];
	   
	    //add class 'even' and 'odd' using jquery
	   if( rtl == "false" ){		   
		   $("#fb7-book > div:odd").addclass("odd");
		   $("#fb7-book > div:even").addclass("even");
	   }else{
		   $("#fb7-book > div:odd").addclass("even");
		   $("#fb7-book > div:even").addclass("odd");		   
	   }
	   
	   
       is_as_template= $('#fb7-ajax').attr('data-template') == "true" ? true : false;
       tools_visible=(config['toolbar_visible']);
       if( tools_visible == "true" ){
			 book_v7.toolsheight=69;
	   }else{
			 book_v7.toolsheight=0;
		}
		
		window_width=$('#fb7').width();
        window_height=$('#fb7').height();
		
		///about show
		$('#fb7-about').css('display','block');		
			
			      

       //event resize
       $(window).bind('orientationchange resize', function(event){
            book_v7.book_area();
            book_v7.zoomauto();
            book_v7.book_position();
            book_v7.dragdrop_init();        
            book_v7.resize_page()     
            book_v7.center($('#v7_lightbox'));           
            book_v7.center_icon();
            book_v7.center_icon();
            book_v7.media_queries()
				
					
			
		});
				
				
		//reverse book		
		$( $('#fb7-book>div').get().reverse()  ).each(function(index,element) { 
			    var item=$(element);
				var meta=$('div.fb7-meta',this);
				///for only reverse
				if( rtl == "true" ){				  
					  //reverse					
					  $(this).appendto( $(this).parent() );					  
					  //reorder description and number
					  var desc=$('span.fb7-description',item);
					  if( desc.index() ==0 ){
						//desc.appendto(meta);						  
					  }else{
						//desc.prependto(meta); 
					  }				  					  
					  ///for double
					  if( item.hasclass('fb7-double') ){						  
						if(  item.hasclass('fb7-first') ){
						     item.removeclass('fb7-first').addclass('fb7-second');							
						}else if( item.hasclass('fb7-second') ){
							 item.removeclass('fb7-second').addclass('fb7-first');							
						}						  
					  }		
					 //add data for meta
				 	 if( index%2!=0 ){			 
				  		//meta.addclass('fb5-left');		
				 	 }else{
				  		//meta.addclass('fb5-right');					 
				 	 }			  
      			}else{
					 //add data for meta
				 	 if( index%2==0 ){			 
				  		//meta.addclass('fb5-left');		
				 	 }else{
				  		//meta.addclass('fb5-right');					 
				 	 }					
				} 
		});		
		   		
		   
    
        //preloader start
        var preloader_visible=book_v7.config['preloader_visible'];
        if( preloader_visible=="true"){
           $('.fb7-preloader').css('display','block');
        }
        
      
        
        book_v7.resize_input_text()
    	book_v7.book_area();
    	$("#fb7").css('opacity','1');
    	
            
        
        /* scale page in flipbook  /*/
        //size default for class .fb7-cont-page-book
        $("#fb7 .fb7-cont-page-book").css('width',(width_book/2)+'px');
        $("#fb7 .fb7-cont-page-book").css('height',height_book+'px');
        $("#fb7 .fb7-cont-page-book").css({'transform-origin':'0 0','-ms-transform-origin':'0 0','-webkit-transform-origin':'0 0'});
        //size default for class .page_book
        var paddingl=width_book*this.paddingl;
        var paddingr=width_book*this.paddingr;
        var paddingt=width_book*this.paddingt;
        var paddingb=width_book*this.paddingb;
        $("#fb7 .fb7-page-book").css('width',(width_book/2-(paddingl+paddingr))+'px');
        $("#fb7 .fb7-page-book").css('height',(height_book-(paddingt+paddingb))+'px');
        
        /* scale about near flipbook  /*/
        $("#fb7 #fb7-about").css('width',(width_book/2)+'px');
        $("#fb7 #fb7-about").css('height',height_book+'px');
		if(rtl=='true'){
			$("#fb7 #fb7-about").css('right','0px');
			$("#fb7 #fb7-about").css({'transform-origin':'right 0','-ms-transform-origin':'right 0','-webkit-transform-origin':'right 0'});
		}else{
        	$("#fb7 #fb7-about").css({'transform-origin':'0 0','-ms-transform-origin':'0 0','-webkit-transform-origin':'0 0'});
		}
		
        //run key
        this.key_down();    

        //show and hide full screen icon
        if(!$.support.fullscreen){
        	$('li a.fb7-fullscreen').parent(this).remove();
        }
             
    },
        
    load: function(){
		if( general.browser_firefox() ) {
        	console.log('book:load');
		}
		
        //preloader hide
        $('.fb7-preloader').css('display','none');
        
   		$.address.strict(false)
		$.address.autoupdate(true)
	
		$('#fb7-container-book').show();
		
		book_v7.init();
	
		book_v7.zoomauto();
		
		book_v7.book_position();
	
		book_v7.dragdrop_init();

		navigation_v7.init();

		book_v7.resize_page();   
        
        if( tools_visible == "true" ){
        	$("#fb7 #fb7-footer").css('opacity','1');
        }
        
         //center icon
        book_v7.center_icon();
        book_v7.center_icon();
        book_v7.media_queries()
   
         
    },
	
	getlength:function(){		
		return $('#fb7-deeplinking ul li').length;		
	},
    
    center_icon:function(){
    
	    //$('#fb7 #fb7-footer').css('width',($('#fb7').width()-12));	 
	
        //icon tools position
        var icon=$('#fb7-center');
        var all_width=$('#fb7').width();
        var left_w=$('#fb7-logo').width();
        var center_w=$('#fb7-center').width();
        var right_w=$('#fb7-right').width();
                
        var posx=all_width/2-center_w/2;
        icon.css('left',posx+'px');
        
		
        var zoom_org=$('a.fb7-zoom-original').parent();
		var zoom_auto=$('a.fb7-zoom-auto').parent();
		
		if( all_width <= 450 ){
			zoom_org.css('display','none');
			zoom_auto.css('display','none');
		}else{
		    zoom_org.css('display','block');
			zoom_auto.css('display','block');
	    }
		
		
        
        
    },
    
    media_queries:function (){
             
       //center
       var position_center=$('#fb7-center').position();
       var xmax_center=position_center.left+$('#fb7-center').width();
       var xmin_center=position_center.left
       //right
       var position_right=$('#fb7-right').position();
       var xmin_right=position_right.left;
       //left
       var position_left=$('#fb7-logo').position();
       var xmax_left=position_left.left+$('#fb7-logo').width();
              
       if( xmax_center > xmin_right || xmax_left > xmin_center  ){
         $('#fb7 #fb7-right,#fb7 #fb7-logo').css('visibility','hidden');
       }else{
         $('#fb7 #fb7-right,#fb7 #fb7-logo').css('visibility','visible');
       }


    }, 
    
    automarginb:function(){
      return math.round(  $('#fb7').height()*0.02 )
    },
    
    automargint:function(){
        return math.round( $('#fb7').height()*0.02 )    
    },
    
     automarginl:function(){
      return math.round( $('#fb7').width()*0.02 )    
    },
    
     automarginr:function(){
       return math.round(  $('#fb7').width()*0.02 )   
    },
	
	change_address:function(){
		
						var th=this;
						if( general.browser_firefox() ) {
							console.log("book:change address")
						}
						//$('h1.entry-title').append(' /change ')
					    ///for slug
					    var slug=$.address.pathnames()[0];
					    if(th.tmp_slug!=undefined&&slug!=th.tmp_slug){
			   			 
					      
						 //setaddress('book5-1'); 
						 settimeout(function(){
						 window.location.reload();
						 },1);
						 
						 if( general.browser_firefox() ) {
						 	console.log("book:change book")
						 }
						 //$('h1.entry-title').append(' /change book ')
						 
						 $("#fb7").remove();
						 // ajax_v7.ready()
						 return;
					   }
					   
					   th.tmp_slug=slug;
					
					   //normal
                       var address=$.address.pathnames()[$.address.pathnames().length-1];
                       var results=$('#fb7-deeplinking ul li[data-address='+address+']');
                       var nrpage=results.attr('data-page')
					   if(rtl=='true'){
				           var nrpage =  ( book_v7.getlength()+1 ) -results.attr('data-page');						
				       }
					   //error nr page
					   if(!nrpage){
						   if(rtl=='true'){
						      nrpage=book_v7.getlength();
					       }else{ 
                              nrpage=1;   
						   }
                       }
				
                       $('#fb7-book').turn('page',nrpage);
                       book_v7.resize_page();
		
	},
	
	shadow_normal:function(display_){
			 var shadow=$('#fb7 .fb7-shadow')
			 if(display_==false){
				shadow.css('display','none');
			 }				
			 if( shadow.hasclass('fb7-shadow-right') ){
				shadow.removeclass('fb7-shadow-right'); 
			 }
			  if( shadow.hasclass('fb7-shadow-left') ){
				shadow.removeclass('fb7-shadow-left'); 
			 }			 			 
			 shadow.addclass('fb7-shadow-double');	
	},
	
	shadow_right:function(display_){
    		 var shadow=$('#fb7 .fb7-shadow');
			 if(display_==false){
				shadow.css('display','none');
			 }
			 if( shadow.hasclass('fb7-shadow-left') ){
				shadow.removeclass('fb7-shadow-left'); 
			 }
			 if( shadow.hasclass('fb7-shadow-double') ){
				shadow.removeclass('fb7-shadow-double'); 
			 }			 
			 shadow.addclass('fb7-shadow-right');		 	
	},
	
	shadow_left:function(display_){
    		 var shadow=$('#fb7 .fb7-shadow')
			 if(display_==false){
				shadow.css('display','none');
			 }			 
			 if( shadow.hasclass('fb7-shadow-right') ){
				shadow.removeclass('fb7-shadow-right'); 
			 }
			 if( shadow.hasclass('fb7-shadow-double') ){
				shadow.removeclass('fb7-shadow-double'); 
			 }			 			 
			 shadow.addclass('fb7-shadow-left');	
	},
    
    init: function() {
		
		var th=this;
		//this.on_start = true;
		
		
	    if( swf_address=="true" ){
        
                /* =  jquery addresss init
                --------------------------*/
                var current_address=$.address.pathnames()[$.address.pathnames().length-1];
                book_slug=$.address.pathnames()[0];
                var results=$('#fb7-deeplinking ul li[data-address='+current_address+']');
                var nrpage =   results.attr('data-page');
				if(rtl=='true'){
				 var nrpage =   ( book_v7.getlength()+1 ) -results.attr('data-page');						
				}
               
			    //error nr page
			    if(!nrpage){
					if(rtl=='true'){
						 nrpage=book_v7.getlength();
					 }else{ 
                         nrpage=1;   
					 }
                }
			
        
                /* =  jquery addresss change
                --------------------------*/ 
                $.address.change(function(event) {
					   th.change_address()     
               })
			   
			   
       }
	 
		
		$('#fb7-book').turn({
			display: 'double',
			acceleration: true,
			gradients:true,
			elevation:50,
			page:nrpage,
			when: {
				first: function(e, page) {
					$('.fb7-nav-arrow.prev').hide();
					var old=$('#fb7-book').turn('page')
					//console.log("event first")
					
					
					
					if(old==book_v7.getlength() ){
						var shadow=$('#fb7 .fb7-shadow')
					    shadow.css('display','none');
					}
					
					book_v7.shadow_normal();
					book_v7.shadow_right();
					 					 
					
					
				},
							
				start: function(event, pageobject, corner) {
					var page=pageobject.page;
					//console.log('event start '+corner+" / "+page);
					if(page==2 && ( corner=="bl" || corner=="tl" ) ){
					   book_v7.shadow_right();
					}
					if(page==book_v7.getlength()-1 && ( corner=="br" || corner=="tr" ) ){
					  book_v7.shadow_left();
					}
					
					
				},
				
				end: function(event, pageobject, corner) {
					//console.log('event end: ');
				},
				
				turned: function(e, page) {
					
					//console.log("turned = "+page);
					
					if(page>=2&&page<book_v7.getlength()){
					  	book_v7.shadow_normal();
					}
					
					var shadow=$('#fb7 .fb7-shadow')
					shadow.css('display','block');
										
					
										
					if (page > 1) {
						$('.fb7-nav-arrow.prev').fadein();
						//$('#fb7-about').hide();
					}
					
					if( (page==1&&rtl=='false') || ( page==$(this).turn('pages')&&rtl=='true') ){	
						$('#fb7-about').css('z-index',11);
					}						
					
					if ( page < $(this).turn('pages') ) {
						$('.fb7-nav-arrow.next').fadein();
					}
					
						var page1=page;
						if(rtl=="true"){
							 page1=book_v7.getlength()-page+1;
						}
						var page2;
						
						if(page1>1&&page1<book_v7.getlength()){
						   var even=( rtl=="true" ) ? page%2!=0    :page%2==0 	
						   if(even){
							   page2=page1+1;						   
						   }else{
							   page2=page1-1; 
						   }
						   if(rtl=="true"){
						   	  var page_view=math.max(page2,page1)+"-"+math.min(page2,page1);  
						   }else{
							  var page_view=math.min(page2,page1)+"-"+math.max(page2,page1);   
						   }
						}else{
						  var page_view=page1;							
						}
						
						//$('#fb7-page-number').val(book_v7.config['go_to_page']+" "+page_view);
						$('#fb7-page-number').val( page_view);
					
                                       
					book_v7.resize_page();
                    if(swf_address=="true"){
                       if(rtl=='true'){
						 setpage( new number(page).rtl() )   
					   }else{
						 setpage(page);   
					   }
					       
					   th.tmp_slug=$.address.pathnames()[0]             
                    }
				},
				
				turning: function(e, page) {
					
					//console.log('turning '+page);
			
							
					$('#fb7-about').css('z-index',5);
					
                    
				},
				
				last: function(e, page) {
					$('.fb7-nav-arrow.next').hide();
					var old=$('#fb7-book').turn('page')
					//console.log('last = '+old);
					
					if(old==1){
					var shadow=$('#fb7 .fb7-shadow')
					shadow.css('display','none');
					}
					
					book_v7.shadow_normal();
					book_v7.shadow_left();
				
				}	
			}
		});
		book_v7.arrows();
		
	},
	
	corner_change:function(boolean_){
		//$('#fb7-book').turn("disable",boolean_);		
	},
        
	center: function (lightbox_) {
	
			var iframe=$('iframe',lightbox_);
			var old_w=iframe.attr("width");
			var old_h=iframe.attr("height");
    		iframe.css("position","absolute");
	
			var stage_w=$(window).width();
            var stage_h=$(window).height();
            var delta_w=stage_w-old_w;
            var delta_h=stage_h-old_h
            
            if(delta_w<delta_h){
                var new_w=$(window).width()-200;
                var new_h=(new_w*old_h)/old_w
            }else{
                var new_h=$(window).height()-200;
                var new_w=(old_w*new_h)/old_h
            }
            iframe.attr("width", new_w);
            iframe.attr("height",new_h);
            
            var height=iframe.height();
            var width=iframe.width();
            iframe.css("top", ( $(window).height()/2 - height/2+"px"));
            iframe.css("left", ( $(window).width()/2 -width/2+"px"  ));
	},    
        
    key_down: function(){
        $(window).bind('keydown', function(e){
		if (e.keycode==37)
			//$('#fb7-book').turn('previous');
            book_v7.prevpage();
		else if (e.keycode==39)
			//$('#fb7-book').turn('next');
            book_v7.nextpage();

		});	
    },

    resize_input_text: function (){
		var input=$('#fb7-page-number');
		var btn=$('#fb7 .fb7-menu li.fb7-goto button');
		input.css('width',gotopage_width);
		input.css('padding-right',btn.width()+10);
	}, 

    isiphone: function (){
       return ( (navigator.platform.indexof("iphone") != -1) || (navigator.platform.indexof("ipad") != -1)  );
    },

	arrows: function() {
		$('.fb7-nav-arrow.prev').click(function() {
			//$('#fb7-book').turn('previous');
            book_v7.prevpage();
            book_v7.resize_page()
		});
		$('.fb7-nav-arrow.next').click(function() {
			//$('#fb7-book').turn('next');
            book_v7.nextpage();
            book_v7.resize_page()
		});
	},
    
    nextpage:function(){
      
      var current=$('#fb7-book').turn('page');
      if( current%2==0){
		 var page=current+2
      }else{
         var page=current+1 
      }      

      if(rtl=='true'){
		setpage( new number(page).rtl() )   
	  }else{
		setpage(page);   
	  }
  
    
    },
    
    prevpage:function(){
    
      var current=$('#fb7-book').turn('page');
      if(current==1) {return;}
      if( current%2==0){
         var page=current-1;
      }else{
         var page=current-2;
      }
	  
	  if(rtl=='true'){
		setpage( new number(page).rtl() )   
	  }else{
		setpage(page);   
	  }
	  
    
    },

	all_pages: function() {
        
		//remove corner
		book_v7.corner_change(true);     
			 
        ///height thumbs
        var cont_thumbs=$('#fb7-all-pages .fb7-container-pages');
        var area_height=$('#fb7').height()-this.toolsheight;
        var height_container=area_height*80/100;
        if(height_container>225){
          height_container=225;
        }
        cont_thumbs.css('height',height_container+'px');
        //position thumbs
        var _top=( (area_height/2) -  ( (cont_thumbs.outerheight())/2   )  )
        cont_thumbs.css('top',_top+'px');
     
		var summary = 0;
		var self = this;
		var slider_width = $('#fb7-slider').width();
		
		$('#fb7-slider').append('<li></li>');
		
		$('#fb7-slider li').each(function() {
			li_width = $(this).outerwidth();
			summary += li_width;
		})
	
		$('#fb7-slider').css('width', summary);
	
		$("#fb7-menu-holder").mousemove(function(e) {
                      	
			if ( $(this).width() < $("#fb7-slider").width() ) {
	     		var distance = e.pagex - $(this).offset().left;
				var percentage = distance / $(this).width();
				var targetx = -math.round(($("#fb7-slider").width() - $(this).width()) * percentage);
	    		$('#fb7-slider').animate({left: [targetx+"px",'easeoutcubic']  }, { queue:false, duration: 200 });
			}
		});

        //////////////////////swipe
        if(self.events_thumbs!=1){
        $('#fb7-all-pages .fb7-container-pages').bind("touchstart", function(e) {
               
               $('#fb7-slider').stop();
               
               //time
               self.time_start=new date().gettime();
               self.time_move_old=self.time_start;
               
               //road
			   self.x_start = e.originalevent.targettouches[0].pagex;
			   self.x_move=undefined;
               self.x_move_old=self.x_start;
		});
        
        
        $('#fb7-all-pages .fb7-container-pages').bind("touchmove", function(e) {
   			   	
                //current round and time
                self.x_move = e.originalevent.targettouches[0].pagex;  
                self.time_move=new date().gettime();
                                        
                //time - delta
                self.delta_t=new date().gettime()-self.time_move_old;
                self.time_move_old=new date().gettime();                
                                        
                //round- delta
                self.delta_s=self.x_move-self.x_move_old;
                self.x_move_old=self.x_move;
                    
                //set position thumbs
                self.current_x=parseint( $('#fb7-slider').css('left') ); 
                var new_position=self.current_x+self.delta_s;
                if(new_position>0){ new_position=0 }   
                var minx=-summary+window_width;
                if(new_position<minx ){new_position=minx}
                $('#fb7-slider').css({left:new_position});
              
                //remove default action
                e.preventdefault(e);       
                
                         
		 });
         
         $('#fb7-all-pages .fb7-container-pages').bind("touchend", function(e) {   
               
               //calculation speed                 
               var v=self.delta_s/self.delta_t;
               var s= ( window_width*0.25 )*v; 
               var t=math.abs(s/v);
            
               //set position thumbs
               var new_position=self.current_x+s
               if(new_position>0){new_position=0}   
               var minx=-summary+window_width;
               if(new_position<minx ){new_position=minx } 
             
               if( math.abs( self.delta_s ) > 5){
                
          		 $('#fb7-slider').animate({ left:[new_position+"px","easeoutcubic"]  },t);               
               }			   
		               
              //e.preventdefault(e);
 
		});		
        //////////////////////end swipe
        self.events_thumbs=1;
        }        
		

		$('#fb7-slider li').on('click',function() {
            self.x_start=null;
            self.x_move=null;
		    $('#fb7-slider').stop();
			var page_index = $(this).attr('class');
			var tmp = parseint(page_index);
			close_overlay();
			
			settimeout(function(){
				setpage(tmp);   
			},100);

		})

		$(document).on('click',function(e) {
			var target = $(e.target);
			if ( target.hasclass('fb7-overlay') ) close_overlay();
		});
        
       
	
	},

	book_grab: function() {
		$('#fb7-container-book').css('cursor', '-webkit-grab');
		$('#fb7-container-book').css('cursor', '-moz-grab');
	},

	book_grabbing: function() {
		$('#fb7-container-book').css('cursor', '-webkit-grabbing');
		$('#fb7-container-book').css('cursor', '-moz-grabbing');
	},
    
    book_area: function(){
		
        var width_book=$('#fb7').width();
                
        ///if(is_as_template==true){
           // var height=$(window).height()+"px";
        //}else{
            //var height=(width_book*height_book/width_book)+this.toolsheight+"px";
        ///}
        
       if(is_as_template==true){
           var height="100%";
        }else{
        
           if( $('#fb7').hasclass('fullscreen') ){
              var height="100%";
           }else{           
              var height=(width_book*height_book/width_book)+this.toolsheight+"px";
           }
                     
        }
        
        
         
         $("#fb7").css('height',height);
		
	},
    
    ///current width book
    widthbook:  function(){
         return $('#fb7-container-book').width();   
    },
    
    //current height book
    heightbook: function(){
         return $('#fb7-container-book').height();    
    },

	book_position: function() {
    
  
		var book_height	= this.heightbook();
		var book_width	= this.widthbook();
		
		var half_height	= (  (book_height/2)+this.toolsheight/2   );
		var half_width	= (  book_width/2 );
        
        var x=$('#fb7').width()/2-half_width;
        var y=$('#fb7').height()/2-half_height;
		$('#fb7-container-book').css({ left: x, top:y });
		
		/*footer position/*/
		var new_y=book_height+this.automargint()+this.automarginb();
		//$("#fb7-footer").css({top:new_y+'px'});
		//$("#fb7").css('height',new_y+this.toolsheight);
        
	},
    
    touchstart_book:function(e){
    
       this.book_x = e.originalevent.touches[0].pagex;
       this.book_y = e.originalevent.touches[0].pagey;
         
    },
    
    touchmove_book:function(e){
    
        //delta x
        this.book_x_delta=e.originalevent.touches[0].pagex-this.book_x;
        this.book_x=e.originalevent.touches[0].pagex;
        
        //delta y
        this.book_y_delta=e.originalevent.touches[0].pagey-this.book_y;
        this.book_y=e.originalevent.touches[0].pagey;
        
                
        var current_x= parseint(  $('#fb7-container-book').css('left')  )
        var current_y= parseint(  $('#fb7-container-book').css('top')  )
        
        var x=current_x+this.book_x_delta;
        var y=current_y+this.book_y_delta;
        $('#fb7-container-book').css( {left:x,top:y } ); 
        
        e.preventdefault();
        
        
        
        //var t=e.originalevent.changedtouches[0].pagex
        
        //alert("move");
    
    },
    touchend_book:function(e){
    
    
        
           
    },    

	drag: function(e) {
		
		var el = $(this);
		var dragged = el.addclass('draggable');

		$('#fb7-container-book').unbind('mousemove');
		$('#fb7-container-book').bind('mousemove', book_v7.book_grabbing);
        

        var d_h = dragged.outerheight();
        var d_w = dragged.outerwidth();
        var pos_y = dragged.offset().top + d_h - e.pagey;
        var pos_x = dragged.offset().left + d_w - e.pagex;
        
		dragged.parents().unbind("mousemove");
        dragged.parents().bind("mousemove", function(e) {
            $('.draggable').offset({
                top:e.pagey + pos_y - d_h,
                left:e.pagex + pos_x - d_w
            });
        });
        e.preventdefault();
	},
	
	drop: function() {
		book_v7.book_grab();
		$('#fb7-container-book').bind('mousemove', book_v7.book_grab);
		$('#fb7-container-book').removeclass('draggable');
	},
    
    checkscrollbook: function () {
      
      var vertical=$('#fb7-book').height() > $("#fb7").height() - this.toolsheight;
	  var horizontal=$('#fb7-book').width() > $("#fb7").width() - (this.arrow_width*1);
      
 	
	  if ( vertical || horizontal ) {
		higherthanwindow = true;
      } else {
		higherthanwindow = false;
	  }
	   return higherthanwindow;
    },

	dragdrop_init: function() {
		this.checkscrollbook();

		if ( higherthanwindow == false ) {
            //mobile
            $('#fb7-container-book').unbind('touchstart', book_v7.touchstart_book);
            $('#fb7-container-book').unbind('touchmove', book_v7.touchmove_book);
            $('#fb7-container-book').unbind('touchend', book_v7.touchend_book);    
            
        
			$('#fb7-container-book').unbind('mousedown', book_v7.drag);
			$('#fb7-container-book').unbind('mouseup', book_v7.drop);
			$('#fb7-container-book').unbind('mousemove', book_v7.book_grab);
			$('#fb7-container-book').unbind('mousemove', book_v7.book_grabbing);
			$('#fb7-container-book').css('cursor', 'default');
		} else {
            //mobile
            $('#fb7-container-book').bind('touchstart', book_v7.touchstart_book);
            $('#fb7-container-book').bind('touchmove', book_v7.touchmove_book);
            $('#fb7-container-book').bind('touchend', book_v7.touchend_book);
            
			$('#fb7-container-book').bind('mousedown', book_v7.drag);
			$('#fb7-container-book').bind('mouseup', book_v7.drop);
			$('#fb7-container-book').bind('mousemove', book_v7.book_grab);
            book_v7.book_grab();
		}
		book_v7.resize_page();
	},
	
	scalestart: function() {
		//if ( this.on_start == true ) {
			this.checkscrollbook();			
			//this.on_start = false;
		//}
	},
    
    setsize:function(w_,h_){
    
       $('#fb7-container-book').css({ width:w_, height:h_ });
	   $('#fb7-book').turn('size',w_,h_);
    
    },
    
    zoomto:function(zoom_){
       
       this.zoom=zoom_;
         
       var new_width=(width_book*this.zoom);
       var new_height=(height_book*this.zoom);
       
      
       this.setsize(new_width,new_height);
       this.scale_arrows()
       
       this.book_position();
       book_v7.dragdrop_init();
       book_v7.resize_page()
      
       
    },
    
    zoomoriginal:function(){
    
        this.zoomto(1);
             
    },   
   
    scale_arrows:function(){
       
       var height_arrow=$('.fb7-nav-arrow').height()
       var width_arrow=$('.fb7-nav-arrow').width()
	   
	   //console.log(width_arrow+" "+height_arrow)
       
       var height_arrow=this.heightbook()*0.12;
       if( height_arrow > height_arrow ){
         height_arrow=height_arrow;
       }
               
       var width_arrow= (height_arrow*width_arrow)/height_arrow;
      
       this.zoom_arrows=height_arrow/height_arrow;   
         
       $('.fb7-nav-arrow').css({'transform':'scale('+this.zoom_arrows+')','-ms-transform':'scale('+this.zoom_arrows+')','-webkit-transform':'scale('+this.zoom_arrows+')'});   
	 
	   ///position arrow right
	   var arrow_next=$('#fb7 .fb7-nav-arrow.next');
	   var newx=this.widthbook()-( width_arrow * this.zoom_arrows   )*0.4;
	   arrow_next.css('left',newx+'px');
	    ///position arrow left
	   var arrow_prev=$('#fb7 .fb7-nav-arrow.prev');
	   var newx=this.widthbook()-( width_arrow * this.zoom_arrows   )*0.4
	   arrow_prev.css('right',newx+'px');
	   
	    
    },
    
	zoomauto: function() {
				
		book_v7.scalestart();	
        
          
        ////resize one 
        var zoom=this.getautozoombook(0);   
        this.zoomto( zoom  ) 
          
		////resize two (with arrow)
        this.scale_arrows();
        var arrow_width=$('.fb7-nav-arrow').width()*this.zoom_arrows; 
        this.arrow_width=arrow_width;
        var zoom=this.getautozoombook(arrow_width*1);
		if(book_v7.config['arrows_visible']=='false'){
		  var zoom=this.getautozoombook(0);	
		}
		
		//console.log('arrow visible = '+(book_v7.config['arrows_visible']=='false'));
		
		
        //calculate optimal zoom
        zoom=math.round(zoom * 100) / 100
        var percent=zoom*100;
        if(percent%2!=0){
          zoom=zoom-0.01;
        }
   		this.zoomto( zoom   )

		book_v7.resize_page()
      
	},
         
    getautozoombook: function(arrow_width_){
       
        var book_width=this.widthbook();
		var book_height=this.heightbook();
		var screen_width	=  $("#fb7").width()-  ( this.automarginl()+this.automarginr() + (arrow_width_) );
		var screen_height	= $("#fb7").height()-this.toolsheight-( this.automargint()+this.automarginb()  )
 
		
		if(screen_width>width_book){
		  screen_width=width_book	
		}
		
		if(screen_height>height_book){
		  screen_height=height_book	
		}
		
		
		var scalew=screen_width/book_width;
		var scaleh=screen_height/book_height;
		
		var scale=math.min(scalew,scaleh)	
		var new_width		= book_width*scale;
		var new_height		= book_height*scale;
        var auto_zoom= new_width/width_book
        return auto_zoom;
    
    },

	zoomin: function() {
       var zoom=this.zoom;  
       
        
       this.zoomto(zoom+zoom_step  );
	},
	
	zoomout: function() {
	   this.zoomto( this.zoom-zoom_step );
	},
    
    resize_page: function (){
		
         /* resize page in flipbook  /*/
         //resize class .fb7-page-book
         var page_width=this.widthbook()/2;
         var width_current_page=(page_width)
         var width_orginal_page=  ( width_book/2 )     
         var zoom= (width_current_page / width_orginal_page);
         $('.fb7-cont-page-book').css({'transform':'scale('+zoom+')','-ms-transform':'scale('+zoom+')','-webkit-transform':'scale('+zoom+')'});
         ///center class .fb7-page-book
         var paddingl=(this.widthbook()*this.paddingl)/zoom;
		 var paddingr=(this.widthbook()*this.paddingr)/zoom;
         var paddingt=(this.widthbook()*this.paddingt)/zoom;
         
		 $('#fb7 .turn-page.odd .fb7-page-book').css({'left':paddingr+'px','top':paddingt+'px'});
		 $('#fb7 .turn-page.even .fb7-page-book').css({'left':paddingl+'px','top':paddingt+'px'});
         
		    
         /* resize about in flipbook  /*/
         $('#fb7-about').css({'transform':'scale('+zoom+')','-ms-transform':'scale('+zoom+')','-webkit-transform':'scale('+zoom+')'});
         //padding top
         var padding_top=(this.heightbook()*0.05);
         $('#fb7-about').css('top',padding_top+'px');
         //height
         var height=(this.heightbook()-( padding_top*2) )/zoom;
         $('#fb7-about').css('height',height+'px');
         //width
         var width=(  (this.widthbook()/2)-( this.widthbook()*0.05  ) )/zoom;
         $('#fb7-about').css('width',width+'px');
		 
		 
		 //center vertical for home page
		 //var posy=$('.fb7-page-book').height()/2 - $('#fb7 #fb7-cover ul').innerheight()/2;
		 //$('#fb7 #fb7-cover ul').css('top',posy+'px');
		 
		 
	},
    
    resize_font:  function($size_original_,path_){
		var w=this.widthbook();
		var size= ($size_original_*w)/width_book;
		var new_size=math.round(parseint(size))+"px";
		///$(path_).css('font-size',new_size);
		///$(path_).css('line-height',new_size);
        $(path_).css('font-size',$size_original_+"px");
		$(path_).css('line-height',$size_original_+"px");
	}
}


/* =  navigation
--------------------------*/

var navigation_v7 = {
	
	tooltip: function() {
    
    
		$('.fb7-menu li').filter(':not(.fb7-goto,.fb7-menu li:first-child,.fb7-menu li:last-child )').each(function() {
			$(this).css('cursor','pointer');
			var description = $('a', this).attr('title');
			var tooltip = '<span class="fb7-tooltip">'+description+'<b></b></span>';
			$('a', this).removeattr("title");
			$(this).append(tooltip);
		});
		
		$('.fb7-menu li').mousemove(function(e) {
                        
            var tooltip=$('.fb7-tooltip', this);
			var offset = $(this).offset(); 
            var rely = e.pagey - offset.top;
            var x2= e.pagex-$('#fb7').offset().left+tooltip.width()  
            var width_area=$('#fb7').width()
            
            if( (x2+20)>width_area){
                var orient="right";
            }else{
            	var orient="left";
            }
            
            if(orient=="left"){
     			var relx = e.pagex - offset.left;
                $('#fb7 .fb7-tooltip b').css('left','6px')
            }else{
                var relx = e.pagex - offset.left-tooltip.width()-5;
                $('#fb7 .fb7-tooltip b').css('left',(tooltip.width()+6)+'px') 
            }			            
            
            //$('.fb7-tooltip', this).html( x2+" > "+width_area  );
			$('.fb7-tooltip', this).css({ left: relx, top: rely-45 });
		})
		
		$('.fb7-menu li').hover(function() { 
			$('.fb7-tooltip').stop();
			$('.fb7-tooltip', this).fadein();
		}, function() {
			$('.fb7-tooltip').hide();
		});
		
		book_v7.resize_page()

	},


    ///event mouse down in book 
	book_mouse_down: function(){
   			$('#fb7-about').css('z-index',5);
			//book_v7.resize_page();
	},
	
	book_mouse_up: function(e){
		 var offset = $(this).offset();
		 var relativex = (e.pagex - offset.left);
         if( relativex > ( width_book / 2 )  ){
			//$('#fb7-about').css('z-index',11); 
		 }
	    
	},

	init: function() {

		// double click
        if(zoom_double_click_enabled=="true"){
		$('#fb7-book').dblclick(function() {
			           
            if(book_v7.checkscrollbook()==false){ //zoom
                 book_v7.zoomto(zoom_double_click)
            }else{
               book_v7.zoomauto();
               $('#fb7-container-book').css('cursor', 'default');
            }
		});
        }
		
	//focus for page manager
	
	var page_manager=$('#fb7-page-number');
	page_manager.focus(function(e) {
		var target=$(e.currenttarget);
		target.data('current',target.val());
		target.val('')
		//target.addclass('focus_input');
		
        
    });
	page_manager.focusout(function(e) {
		var target=$(e.currenttarget);
		var old=target.data('current');
		//target.removeclass('focus_input');
		if( target.val() ==''){
		  target.val(old);	
		}
    });
	 


    //full screen
    $('.fb7-fullscreen').on('click', function() {
			
     $('.fb7-tooltip').hide();
     
     $('#fb7').fullscreen({
         
         'callback': function(isfullscreen){
         
           book_v7.book_area();
           book_v7.zoomauto();
           book_v7.center_icon();
         
             if(isfullscreen){
                
             }else{
                
             }
        
          }
         });
         e.preventdefault();
            
	  });
         
		 
		//download		 
		$('.fb7-download').on('click', function(event) {     	 		  		 
		 
		  //$.address.update();
		 // event.preventdefault();
		  
		}); 

	    // home 
	    $('.fb7-home').on('click', function() {     	  
		  setpage(1);
	      //setaddress('book5-1');		  
		});
	
		// zoom original
		$('.fb7-zoom-original').click(function() {
			
            book_v7.zoomoriginal();
      
			
		});
	
		// zoom auto
		$('.fb7-zoom-auto').on('click', function() {
			book_v7.zoomauto();
		});

		// zoom in
		$('.fb7-zoom-in').on('click', function() {
			
				book_v7.zoomin();
				
							
		});
	
		// zoom out
		$('.fb7-zoom-out').on('click', function() {
			
				book_v7.zoomout();
				
		});

		// all pages
		$('.fb7-show-all').on('click', function() {
			$('#fb7-all-pages').
				addclass('active').
				css('opacity', 0).
				animate({ opacity: 1 }, 1000);
			book_v7.all_pages();
			return false;
		})
		
		// goto page
		$('#fb7-page-number').keydown(function(e) {
			if (e.keycode == 13) {
               setpage( $('#fb7-page-number').val() );
            }
		});
		
		$('.fb7-goto button').click(function(e) {
            setpage( $('#fb7-page-number').val() );
		});


		// contact
		$('.contact').click(function() {
			$('#fb7-contact').addclass('active').animate({ opacity: 1 }, 1000);
			contact_form();
			clear_on_focus();
			return false;
		})
		
		//change z-index in about
		$('#fb7-book').bind('mousedown',this.book_mouse_down);
		$('#fb7-book').bind('mouseup',this.book_mouse_up);
		if (book_v7.isiphone()) {//for iphone		
		$('#fb7-book').bind('touchstart',this.book_mouse_down);
		$('#fb7-book').bind('touchend',this.book_mouse_up);
		}

		//show tooltip for icon
		if ( !book_v7.isiphone() && tool_tip_visible=="true" ) {
			this.tooltip();
		}
	}
}

 
/* = contact form
--------------------------*/

function clear_on_focus() {
	$('input[type="text"], input[type="password"], textarea').each( function() {
		var startvalue = $(this).val();
		$.data(this, "startvalue", startvalue);	
        this.value=startvalue;
	})

	$('input[type="text"], input[type="password"], textarea').focus(function() {
		var startvalue = $.data(this, "startvalue");		
		if ( this.value == startvalue ) {
			this.value = '';
		}
	});
	$('input[type="text"], input[type="password"], textarea').blur(function() {
        var startvalue = $.data(this, "startvalue");
		if ( this.value == '' ) {
			this.value = startvalue;
		}
	})
}


function close_overlay() {
	$('.fb7-overlay').removeclass('active');
	settimeout(function(){
	book_v7.corner_change(false);
	},1000);
}


function contact_form() {

	$('#fb7-contact .req').each(function() {
		var startvalue = $(this).val();
		$.data(this, "startvalue", startvalue);
	});

	$('#fb7-contact button[type="submit"]').click(function() {

		$('#fb7-contact .req').removeclass('fb7-error');
		$('#fb7-contact button').fadeout('fast');

		var iserror = 0;

		// get the data from the form
		var name	= $('#fb7-contact #fb7-form-name').val();
		var email	= $('#fb7-contact #fb7-form-email').val();
		var message	= $('#fb7-contact #fb7-form-message').val();

		// validate the data
		$('#fb7-contact .req').each(function() {
			var startvalue = jquery.data(this, "startvalue");
			if ( ($(this).val() == '') || (this.value == startvalue) ) {
				$(this).addclass('fb7-error');
				iserror = 1;
			}
		});

		var reg = /^([a-za-z0-9_\-\.])+\@([a-za-z0-9_\-\.])+\.([a-za-z]{2,4})$/;
		if (reg.test(email)==false) {
			$('#fb7-contact #fb7-form-email').addclass('fb7-error');
			iserror=1;
		}

		// terminate the script if an error is found
		if (iserror == 1) {
			$('#fb7-contact button').fadein('fast');
			return false;
		}

		$.ajaxsetup ({
			cache: false
		});

        var _email=book_v7.config['email_form']; 
		var datastring = 'name='+ name + '&email=' + email + '&message=' + message+'&_email='+_email;  
		
		$.ajax({
			type: "post",
			url: $('#fb7-ajax').data('book_url')+"php/submit-form-ajax.php",
			data: datastring,
			success: function(msg) {
				
				// check to see if the mail was successfully sent
				if (msg == 'mail sent') {
					$("#fb7-contact fieldset").hide();
					$("#fb7-contact fieldset.fb7-thanks").show();
					
					settimeout(function() {
						close_overlay();
					}, 5000);
					
				} else {
					$('#fb7-contact button').fadein('fast');
					alert('the problem with sending it, please try again!');
				}
			},

			error: function(ob,errstr) {
				alert('the problem with sending it, please try again.');
			}
		});
		return false;
	});

	$('#fb7-contact .fb7-close').click(function() {
		close_overlay();
	})
}



/*
 * $ easing v1.3 - http://gsgd.co.uk/sandbox/$/easing/
 *
 * uses the built in easing capabilities added in $ 1.1
 * to offer multiple easing options
*/

$.easing["jswing"]=$.easing["swing"];$.extend($.easing,{def:"easeoutquad",swing:function(a,b,c,d,e){return $.easing[$.easing.def](a,b,c,d,e)},easeinquad:function(a,b,c,d,e){return d*(b/=e)*b+c},easeoutquad:function(a,b,c,d,e){return-d*(b/=e)*(b-2)+c},easeinoutquad:function(a,b,c,d,e){if((b/=e/2)<1)return d/2*b*b+c;return-d/2*(--b*(b-2)-1)+c},easeincubic:function(a,b,c,d,e){return d*(b/=e)*b*b+c},easeoutcubic:function(a,b,c,d,e){return d*((b=b/e-1)*b*b+1)+c},easeinoutcubic:function(a,b,c,d,e){if((b/=e/2)<1)return d/2*b*b*b+c;return d/2*((b-=2)*b*b+2)+c},easeinquart:function(a,b,c,d,e){return d*(b/=e)*b*b*b+c},easeoutquart:function(a,b,c,d,e){return-d*((b=b/e-1)*b*b*b-1)+c},easeinoutquart:function(a,b,c,d,e){if((b/=e/2)<1)return d/2*b*b*b*b+c;return-d/2*((b-=2)*b*b*b-2)+c},easeinquint:function(a,b,c,d,e){return d*(b/=e)*b*b*b*b+c},easeoutquint:function(a,b,c,d,e){return d*((b=b/e-1)*b*b*b*b+1)+c},easeinoutquint:function(a,b,c,d,e){if((b/=e/2)<1)return d/2*b*b*b*b*b+c;return d/2*((b-=2)*b*b*b*b+2)+c},easeinsine:function(a,b,c,d,e){return-d*math.cos(b/e*(math.pi/2))+d+c},easeoutsine:function(a,b,c,d,e){return d*math.sin(b/e*(math.pi/2))+c},easeinoutsine:function(a,b,c,d,e){return-d/2*(math.cos(math.pi*b/e)-1)+c},easeinexpo:function(a,b,c,d,e){return b==0?c:d*math.pow(2,10*(b/e-1))+c},easeoutexpo:function(a,b,c,d,e){return b==e?c+d:d*(-math.pow(2,-10*b/e)+1)+c},easeinoutexpo:function(a,b,c,d,e){if(b==0)return c;if(b==e)return c+d;if((b/=e/2)<1)return d/2*math.pow(2,10*(b-1))+c;return d/2*(-math.pow(2,-10*--b)+2)+c},easeincirc:function(a,b,c,d,e){return-d*(math.sqrt(1-(b/=e)*b)-1)+c},easeoutcirc:function(a,b,c,d,e){return d*math.sqrt(1-(b=b/e-1)*b)+c},easeinoutcirc:function(a,b,c,d,e){if((b/=e/2)<1)return-d/2*(math.sqrt(1-b*b)-1)+c;return d/2*(math.sqrt(1-(b-=2)*b)+1)+c},easeinelastic:function(a,b,c,d,e){var f=1.70158;var g=0;var h=d;if(b==0)return c;if((b/=e)==1)return c+d;if(!g)g=e*.3;if(h<math.abs(d)){h=d;var f=g/4}else var f=g/(2*math.pi)*math.asin(d/h);return-(h*math.pow(2,10*(b-=1))*math.sin((b*e-f)*2*math.pi/g))+c},easeoutelastic:function(a,b,c,d,e){var f=1.70158;var g=0;var h=d;if(b==0)return c;if((b/=e)==1)return c+d;if(!g)g=e*.3;if(h<math.abs(d)){h=d;var f=g/4}else var f=g/(2*math.pi)*math.asin(d/h);return h*math.pow(2,-10*b)*math.sin((b*e-f)*2*math.pi/g)+d+c},easeinoutelastic:function(a,b,c,d,e){var f=1.70158;var g=0;var h=d;if(b==0)return c;if((b/=e/2)==2)return c+d;if(!g)g=e*.3*1.5;if(h<math.abs(d)){h=d;var f=g/4}else var f=g/(2*math.pi)*math.asin(d/h);if(b<1)return-.5*h*math.pow(2,10*(b-=1))*math.sin((b*e-f)*2*math.pi/g)+c;return h*math.pow(2,-10*(b-=1))*math.sin((b*e-f)*2*math.pi/g)*.5+d+c},easeinback:function(a,b,c,d,e,f){if(f==undefined)f=1.70158;return d*(b/=e)*b*((f+1)*b-f)+c},easeoutback:function(a,b,c,d,e,f){if(f==undefined)f=1.70158;return d*((b=b/e-1)*b*((f+1)*b+f)+1)+c},easeinoutback:function(a,b,c,d,e,f){if(f==undefined)f=1.70158;if((b/=e/2)<1)return d/2*b*b*(((f*=1.525)+1)*b-f)+c;return d/2*((b-=2)*b*(((f*=1.525)+1)*b+f)+2)+c},easeinbounce:function(a,b,c,d,e){return d-$.easing.easeoutbounce(a,e-b,0,d,e)+c},easeoutbounce:function(a,b,c,d,e){if((b/=e)<1/2.75){return d*7.5625*b*b+c}else if(b<2/2.75){return d*(7.5625*(b-=1.5/2.75)*b+.75)+c}else if(b<2.5/2.75){return d*(7.5625*(b-=2.25/2.75)*b+.9375)+c}else{return d*(7.5625*(b-=2.625/2.75)*b+.984375)+c}},easeinoutbounce:function(a,b,c,d,e){if(b<e/2)return $.easing.easeinbounce(a,b*2,0,d,e)*.5+c;return $.easing.easeoutbounce(a,b*2-e,0,d,e)*.5+d*.5+c}})



})(jquery)