//SETTING UP OUR POPUP  
//0 means disabled; 1 means enabled;  
var popupStatus = 0;  
function loadPopup(popup){  
//loads popup only if it is disabled  
	if(popupStatus==0){  
		$("#backgroundPopup"+popup).css({  
			"opacity": "0.7"  
		});  
		$("#backgroundPopup"+popup).fadeIn("slow");  
		$("#popupContact"+popup).fadeIn("slow");  
		popupStatus = 1;  
	}  
}

function disablePopup(popup){  
 //disables popup only if it is enabled  
	if(popupStatus==1){  
 		$("#backgroundPopup"+popup).fadeOut("slow");  
 		$("#popupContact"+popup).fadeOut("slow");  
		 popupStatus = 0;  
	}  
}    

function centerPopup(popup){  
//request data for centering  
	var windowWidth = document.documentElement.clientWidth;
	var windowHeight = document.documentElement.clientHeight;  
	var popupHeight = $("#popupContact"+popup).height();  
	var popupWidth = $("#popupContact"+popup).width();  
//centering  
	$("#popupContact"+popup).css({  
		"top": windowHeight/2-popupHeight/2    ,  
		"left": windowWidth/2-popupWidth/2
	});  
//only need force for IE6  
  
	$("#backgroundPopup"+popup).css({  
		"height": windowHeight  
	});  
}