var popupStatus = 0;

function loadPopup(){
	if(popupStatus==0){
		$("#pointsform").fadeIn("slow");
		popupStatus = 1;
	}
}

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

function centerPopup(){
	var windowWidth = document.documentElement.clientWidth;
	var windowHeight = document.documentElement.clientHeight;
	var popupHeight = $("#pointsform").height();
	var popupWidth = $("#pointsform").width();
	$("#pointsform").css({
		"position": "fixed",
		"top": windowHeight/2-popupHeight/2,
		"left": windowWidth/2-popupWidth/2
	});
}

function points_form($site) {
	var site = document.getElementById("site");
	site.value = $site;
	var popupStatus = 0;
	centerPopup();
	loadPopup();
	$("#pointsformclose").click(function(){
		disablePopup();
	});
	$(document).keypress(function(e){
		if(e.keyCode==27 && popupStatus==1){
			disablePopup();
		}
	});

}