/***************************/
//@Author: Adrian "yEnS" Mato Gondelle
//@website: www.yensdesign.com
//@email: yensamg@gmail.com
//@license: Feel free to use it, but keep this credits please!					
/***************************/

//SETTING UP OUR POPUP
//0 means disabled; 1 means enabled;
var popupStatus = 0;
var scrollTop = 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");
		$("#loginBlock").fadeIn("slow");
		popupStatus = 1;
	}
}

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

//centering popup
function centerPopup(){
	//request data for centering
	var windowWidth = $(document).width();
	var windowHeight = $(document).height();
	var popupHeight = $("#loginBlock").height();
	var popupWidth = $("#loginBlock").width();
	
	
	//centering
	$("#loginBlock").css({
		"position": "absolute",
		"top": scrollTop + 100,
		"left": (1000/2)-(popupWidth/2)
	});
	
	//only need force for IE6
	
    $("#backgroundPopup").css({
		"height": windowHeight
	});
}

//CONTROLLING EVENTS IN jQuery
$(document).ready(function(){
	
	//LOADING POPUP
	//Click the button event!
//	$(".loginBtn").click(function(){
//		//centering with css
//		centerPopup();
//		//load popup
//		loadPopup();
//	});
				
	//CLOSING POPUP
	//Click the x event!
//	$("#loginBlock a.close").click(function(){
//		disablePopup();
//	});
	//Click out event!
	$("#backgroundPopup").click(function(){
		disablePopup();
	});
	//Press Escape event!
	$(document).keypress(function(e){
		if(e.keyCode==27 && popupStatus==1){
			disablePopup();
		}
	});
	
	scrollTop = $(window).scrollTop();
    $(window).scroll(function(){
        scrollTop = $(window).scrollTop();
        centerPopup();
    });

});