/***************************/
//@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": "0.5"
		});
		$("#backgroundPopup,#popupContact").fadeIn("medium");
		popupStatus = 1;
	}
}

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

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

	var top  = scrollY + windowHeight/2-popupHeight/2;
	var left = windowWidth/2-popupWidth/2;


	var elemBg = $("#popupContact");
	var popupHeightBg = elemBg.height();
	var popupWidthBg = elemBg.width();
	
	var topBg  = scrollY + windowHeight/2-(popupHeightBg+20)/2;
	var leftBg = windowWidth/2-(popupWidthBg+20)/2;

	//centering
	$(elem).css({
		"position": "absolute",
		"top": top,
		"left": left
	});
	$("#backgroundPopup").css({
		"position": "absolute",
		"top": topBg,
		"left": leftBg
	});	
	
}


//CONTROLLING EVENTS IN jQuery
$(document).ready(function(){
	
	//LOADING POPUP
	//Click the button event!
	$("#carbon-free,#donate-link,#menu-individual,#offset-individual,#single-pic,#monthly-pic,#donate-single,#calculations").click(function(){
	$.get('http://www.pattfoundation.org/carbon-free-transfer.html?t='+ Math.random()*88888, function(data) {
		$('#actualContentPopup').html(data);
		$('#closeLink').click(function(){
									   disablePopup();
				});
	});											 
		//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();
		}
	});

});