var popupStatus = 0;

function loadPopup(){

if(popupStatus==0){  
	$("#backgroundPopup").css({  
	"opacity": "0.7"  
});  
	$("#backgroundPopup").fadeIn("slow");  
	$("#popupContact").fadeIn("slow");  
	popupStatus = 1;  
}  
}

function disablePopup(){  
 
	if(popupStatus==1){  
	$("#backgroundPopup").fadeOut("slow");  
	$("#popupContact").fadeOut("slow");  
	popupStatus = 0;  
}  
}  

function centerPopup(){  
  
var windowWidth = document.documentElement.clientWidth;  
var windowHeight = document.documentElement.clientHeight;  
var popupHeight = $("#popupContact").height();  
var popupWidth = $("#popupContact").width();  

	$("#popupContact").css({  
	"position": "absolute",  
	"top": windowHeight/2-popupHeight/2,  
	"left": windowWidth/2-popupWidth/2  
});  
//only need force for IE6  
  
	$("#backgroundPopup").css({  
	"height": windowHeight  
});  
  
}  

	$("#popupContactClose").click(function(){  
	disablePopup();  
});  
//Click out event!  
	$("#backgroundPopup").click(function(){  
	disablePopup();  
});  
//Press Escape event!  
	$(document).keypress(function(e){  
	if(e.keyCode==27 && popupStatus==1){  
	disablePopup();  
}  
});  

	$("#popupContactClose").click(function(){  
	disablePopup();  
});  
//Click out event!  
	$("#backgroundPopup").click(function(){  
	disablePopup();  
});  
//Press Escape event!  
	$(document).keypress(function(e){  
	if(e.keyCode==27 && popupStatus==1){  
	disablePopup();  
}  
});