$(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':maskWidth,'height':maskHeight});
		
		//transition effect	
		$("#mask").css({  "opacity": "0.85"  });  	
		$('#mask').fadeIn(1400);	
		//$('#mask').fadeTo("slow",0.8);	
	
		//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()/2);
		$(id).css('left', winW/2-$(id).width()/2);
	
		//transition effect
		$(id).hide();
		$(id).fadeIn(1500); 
	});
	
	$('a[name=modal_top]').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':maskWidth,'height':maskHeight});
		
		//transition effect	
		$("#mask").css({  "opacity": "0.85"  });  	
		$('#mask').fadeIn(1400);	
		//$('#mask').fadeTo("slow",0.8);	
	
		//Get the window height and width
		var winH = $(window).height() - 150;
		var winW = $(window).width();
              
		//Set the popup window to center
		//$(id).css('top',  winH/2-$(id).height()/2);
		$(id).css('top',  30);
		$(id).css('left', winW/2-$(id).width()/2);
	
		//transition effect
		$(id).hide();
		$(id).fadeIn(1500); 
	});
	
	//if close button is clicked
	$('.window .close').click(function (e) {
		//Cancel the link behavior
		e.preventDefault();
				
		//$('#mask').hide();
		//$('.window').hide();
		$('#mask').fadeOut(1000); 
		$('.window').fadeOut(1000);
	});		
	
	//if mask is clicked
	$('#mask').click(function () {
		//$(this).hide();
		//$('.window').hide();
		$(this).fadeOut(1000);
		$('.window').fadeOut(1000);
	});
});