$(document).ready(function() {	

	//select all the a tag with name equal to modal
	$('a.map').click(function(e) {
		//Cancel the link behavior
		e.preventDefault();
		
		//Get the A tag
		var id = '#pop_box';	
	
		//Get the window height and width
		var winH = $(window).height();
		var winW = $(window).width();
              
		//Set the popup window to center
		$(id).css('top',  5);
		$(id).css('left', 5);
	
		//transition effect
		$(id).fadeIn(0); 
	
	});
	
	//if close button is clicked
	$('#pop_box .close').click(function (e) {
		//Cancel the link behavior
		e.preventDefault();
		
		$('#mask').hide();
		$('#pop_box').hide();
	});		
	
	//if mask is clicked
	$('#mask').click(function () {
		$(this).hide();
		$('#pop_box').hide();
	});			
	
});