/***************************/
//@Author: Adrian "yEnS" Mato Gondelle
//@website: www.yensdesign.com
//@email: yensamg@gmail.com
//@license: Feel free to use it, but keep this credits please!					
//
//@implementing and optimizing for Triple Talent: Alex Baskov, 2009
/***************************/

//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)
	{
		$("#popupLoginBackground").css({
			"opacity": "0.5"
		});
		$("#popupLoginBackground").fadeIn("slow");
		$("#popupLogin").fadeIn("slow");
		popupStatus = 1;
	}
}

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

//centering popup
function centerPopup()
{
	//request data for centering
	//var windowWidth = document.body.clientWidth;
	//var windowHeight = document.body.clientHeight;
	var windowWidth = document.documentElement.clientWidth;
	var windowHeight = document.documentElement.clientHeight;
	var popupHeight = $("#popupLogin").height();
	var popupWidth = $("#popupLogin").width();

	//
	// we need here to emulate fixed position... so we use offsetHeight and offsetWidth instead
	// (c) Alex Baskov
	//
	var topScrollerPosition = 0;
	
	// we may just scroll to top and see nice popup
	//scroll(0,0);

	// center vertically in the visible area...
	//var topScrollerPosition = document.documentElement.scrollTop;


	//centering
	$("#popupLogin").css({
		"position": "fixed",
		"top": windowHeight/2-popupHeight/2,
		//"top": parseInt((windowHeight-popupHeight)/2) + topScrollerPosition,
		//"top": 200,
		"left": windowWidth/2-popupWidth/2
	});
	//only need force for IE6
	
	$("#popupLoginBackground").css({
		"width": windowWidth,
		"height": windowHeight
	});
	
}


//CONTROLLING EVENTS IN jQuery
$(document).ready(function() {

	//LOADING POPUP
	//Click the button event!
	
	$("#button").click(function() {
		//centering with css
		centerPopup();
		//load popup
		loadPopup();
	});
				
	//CLOSING POPUP
	//Click the x event!
	$("#popupLoginClose").click(function() {
		disablePopup();
	});
	
	//Click out event!
	$("#popupLoginBackground").click(function() {
		disablePopup();
	});
	
	//Press Escape event!
	$(document).keypress(function(e) {
		if(e.keyCode == 27 && popupStatus == 1) {
			disablePopup();
		}
	});

});



	////
	// opens login popup
	//
	function loginPopup(backToUrl)
	{	
		if(backToUrl)
			//$("input[name=josso_back_to]").val(backToUrl);
			$("#back_to_url").val(backToUrl);
		centerPopup();
		loadPopup();

		return true;
	} // /loginPopup()