var popupStatus = 0;

function loadPopup(popupNum){
	if(popupStatus==0){
		$("#backgroundPopup").css({
			"opacity": "0.7"
		});
		$("#backgroundPopup").fadeIn("slow");
		$(".popupDiv" + popupNum).fadeIn("slow");
		popupStatus = 1;
	}
}
function disablePopup(){
	if(popupStatus==1){
		$("#backgroundPopup").fadeOut("slow");
		$(".popupDiv").fadeOut("slow");
		popupStatus = 0;
	}
}

function centerPopup(popupNum){
	var windowWidth = document.documentElement.clientWidth;
	var windowHeight = document.documentElement.clientHeight;
	var popupHeight = $(".popupDiv" + popupNum).height();
	var popupWidth = $(".popupDiv" + popupNum).width();
	$(".popupDiv").css({
		"position": "absolute",
		"top": /*windowHeight/2-popupHeight/2*/"18px",
		"left": (windowWidth/2-popupWidth/2)+55
	});
	$("#backgroundPopup").css({
		"height": windowHeight,
		"width": windowWidth
	});
	loadPopup(popupNum);
}

$(document).ready(function(){
	$('#backgroundPopup').click(function() {
		disablePopup();
	})
});