function loadPopup(pid)
{
	$("#backgroundPopup"+pid).css({"opacity": "0.3"});
	$("#backgroundPopup"+pid).fadeIn("fast");
	$("#popupContact"+pid).slideDown("slow");
}
function disablePopup(pid)
{
	$("#backgroundPopup"+pid).fadeOut("slow");
	$("#popupContact"+pid).slideUp("slow");
}
function centerPopup(pid)
{
	var windowWidth = document.documentElement.clientWidth;
	var windowHeight = document.documentElement.clientHeight;
	var popupHeight = $("#popupContact"+pid).height();
	var popupWidth = $("#popupContact"+pid).width();
	$("#popupContact"+pid).css({"position": "fixed","top": windowHeight/2-popupHeight/2,"left": windowWidth/2-popupWidth/2});
	$("#backgroundPopup"+pid).css({"height": windowHeight});
}