// JavaScript Document

function displayModal(event){
		var maskHeight = document.documentElement.clientHeight;
		var maskWidth = document.documentElement.clientWidth;
		var popHeight = $("#popup").height();
		var popWidth = $("#popup").width();
		$("#mask").css({"width":maskWidth,"height":maskHeight,"opacity":"0.7"});
		$("#popup").css({"top": maskHeight/2-popHeight/2, "left": maskWidth/2-popWidth/2}); 
		$("#mask").fadeIn("slow");
		$("#popup").fadeIn("slow");
		event.preventDefault();
}

function closeModal(){
	$("#mask").fadeOut("fast");
	$("#popup").fadeOut("fast");	
}