$(document).ready(function() {	

	//select all the a tag with name equal to modal
	$('a[name=modal]').click(function(e) {
		//Cancel the link behavior
		e.preventDefault();
		
		//Get the A tag
		var id = $(this).attr('href');
	
		//Get the screen height and width
		var maskHeight = $(document).height();
		var maskWidth = $(window).width();
		
	
		//Set heigth and width to mask to fill up the whole screen
	$('#mask').css({'width':3000,'height':3000});
		
    //transition effect       
         $('#mask').fadeIn(200);      
         $('#mask').fadeTo("slow",0.5);  
	
		//Get the window height and width
		var winH = $(window).height();
		var winW = $(window).width();
              
   
        
        //Set the popup window to center
 $(id).css('top',  winH/2-$(id).height()/1);  
         $(id).css('left', winW/2-$(id).width()/1.3); 

		//transition effect
		$('.window').hide();
		$(id).fadeIn(200); 
	
	});
    
    
	
	//if close button is clicked
	$('.window2 .close').click(function (e) {
		//Cancel the link behavior
		e.preventDefault();
		
		$('#mask').hide();
		$('.window2').hide();
	});	
    
    //if close button is clicked
	$('.window .close').click(function (e) {
		//Cancel the link behavior
		e.preventDefault();
		
		$('#mask').hide();
		$('.window').hide();
	});		
    
    	
	
	//if mask is clicked
	$('#mask').click(function () {
		$(this).hide();
		$('.window2').hide();
	});			
	
});

// JavaScript Document