jQuery(document).ready(function() {
	//select all the a tag with name equal to modal
	jQuery('a.modal').click(function(e) {
		//Cancel the link behavior
		e.preventDefault();
		//Get the A tag
		var callee = '#' + jQuery(this).attr('name');

		//Get the screen height and width
		var maskHeight = jQuery(document).height();
		var maskWidth = jQuery(window).width();
 
		//Set height and width to mask to fill up the whole screen
		jQuery('#mask').css({'width':maskWidth,'height':maskHeight});

		//transition effect		
		jQuery('#mask').fadeIn(1000);	
		jQuery('#mask').fadeTo("slow",0.5);	

		//Get the window height and width
		var winH = jQuery(window).height();
		var winW = jQuery(window).width();
            
		//Set the popup window to center
		jQuery(callee).css('top',  50);
		jQuery(callee).css('left', winW/2-jQuery(callee).width()/2);

		//transition effect
		jQuery(callee).fadeIn(2000); 
	});
	
	//if close button is clicked
	jQuery('.window .close').click(function (e) {
		//Cancel the link behavior
		e.preventDefault();
		jQuery('#mask, .window').hide();
	});	
		
	//if mask is clicked
	jQuery('#mask').click(function () {
		jQuery(this).hide();
		jQuery('.window').hide();
	});
})