//SETTING UP OUR POPUP
//0 means disabled; 1 means enabled;
var popupStatus = 0;

//loading popup with jQuery magic!
function loadPopup(el){
	//loads popup only if it is disabled
	if(popupStatus==0){
		
		centerPopup(el);
		
		$("#backgroundPopup").css({
			"opacity": "0.5"
		});
		$("#backgroundPopup").fadeIn("slow");
		$("#"+el).fadeIn("slow");
		popupStatus = 1;
	}
}

//disabling popup with jQuery magic!
function disablePopup(el){
	//disables popup only if it is enabled
	if(popupStatus==1){
		$("#backgroundPopup").fadeOut("slow");
		$("#"+el).fadeOut("slow");
		popupStatus = 0;
	}
}

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

//
////CONTROLLING EVENTS IN jQuery
//$(document).ready(function(){
//	
//	//Press Escape event!
//	$(document).keypress(function(e){
//		if(e.keyCode==27 && popupStatus==1){
//			disablePopup();
//		}
//	});
//
//});