/***************************/
//@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;

//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");
		$("#popupContact").fadeIn("slow");
		popupStatus = 1;
	}
}

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

//centering popup
function centerPopup(){
	//request data for centering
//	var windowWidth = document.documentElement.clientWidth;
//	var windowHeight = document.documentElement.clientHeight;

	var popupHeight = $("#popupContact").height();
	var popupWidth = $("#popupContact").width();
	var scrTop = $(window).scrollTop();

	var de = document.documentElement;
	var w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
	var h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;

//		alert("window " + w);
//		alert("height " + h);
//		alert("scrTop " + scrTop);

	var windowWidth = w;
	var windowHeight = h/2 + scrTop;

	//centering
	$("#popupContact").css({
		"position": "absolute",
		"top": windowHeight/1-popupHeight/2,
		"left": windowWidth/2-popupWidth/2
	});
	//only need force for IE6

	$("#backgroundPopup").css({
		"height": h
	});

}


//CONTROLLING EVENTS IN jQuery
$(document).ready(function(){
	//LOADING POPUP
	//Click the popup event!
	$(".popup").click(function(){
		//centering with css

		centerPopup();
		//load popup
		loadPopup();
	});

	//CLOSING POPUP
	//Click the x event!
	$("#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();
		}
	});

});