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

//loading popup with jQuery magic!
function loadPopup(){
	//loads popup only if it is disabled
	if(popupStatus==0){
		$("#backgroundPopup").css({"opacity": "0.7"});
		$("#backgroundPopup").fadeIn("slow");
		$("#popupWindow").fadeIn("slow");
		popupStatus = 1;
	}
}

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

//centering popup
function centerPopup(){
	//request data for centering
	var windowWidth = document.documentElement.clientWidth;
	var windowHeight = document.documentElement.clientHeight;
	var popupHeight = $("#popupWindow").height();
	var popupWidth = $("#popupWindow").width();
	//centering
	$("#popupWindow").css({
		"position": "absolute",
		"top": windowHeight/2-(popupHeight)/2,
		//"top": 50,
		"left": windowWidth/2-popupWidth/2
	});
	//only need force for IE6
	
	$("#backgroundPopup").css({
		"height": windowHeight
	});	
}

function showPopupWindow(PopupWidth){
	
	// Set Window Width
	windowWidth = typeof(PopupWidth) != 'undefined' ? PopupWidth : "400px"; 
	$("#popupWindow").css('width', windowWidth); 
	
	//centering with css
	centerPopup();
	
	//load popup
	loadPopup();
}

//CONTROLLING EVENTS IN jQuery
$(document).ready(function(){
	
	//LOADING POPUP
	$("#button").click(function(){
		//centering with css
		centerPopup();
		//load popup
		loadPopup();
	});
				
	//CLOSING POPUP
	$("#popupContactClose").click(function(){
		disablePopup();
	});
	
	//Click out event!
//	$("#backgroundPopup").click(function(){
//		disablePopup();
//	});

	//Press Escape event!
	$(document).keypress(function(e){
		if(e.keyCode==27 && popupStatus==1)	disablePopup();
	});
	
	//Browser Window Resizing
	$(window).bind('resize', function() {    
		centerPopup();
	});	
	
	//Popup Window Resizing
	$("#popupWindow").bind('resize', function() {    
		centerPopup();
	});	

});