var expDays = 5; // number of days the cookie should last

function GetCookie (name) {
  var arg = name + "=";
  var alen = arg.length;
  var clen = document.cookie.length;
  var i = 0;
  while (i < clen) {
    var j = i + alen;
    if (document.cookie.substring(i, j) == arg)
    return getCookieVal (j);
    i = document.cookie.indexOf(" ", i) + 1;
    if (i == 0) break;
  }
  return null;
}

function SetCookie (name, value) {
  var argv = SetCookie.arguments;
  var argc = SetCookie.arguments.length;
  var expires = (argc > 2) ? argv[2] : null;
  var path = (argc > 3) ? argv[3] : null;
  var domain = (argc > 4) ? argv[4] : null;
  var secure = (argc > 5) ? argv[5] : false;
  document.cookie = name + "=" + escape (value) +
    ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
    ((path == null) ? "" : ("; path=" + path)) +
    ((domain == null) ? "" : ("; domain=" + domain)) +
    ((secure == true) ? "; secure" : "");
}

function DeleteCookie (name) {
  var exp = new Date();
  exp.setTime (exp.getTime() - 1);
  var cval = GetCookie (name);
  document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}

var exp = new Date();
exp.setTime(exp.getTime() + (expDays * 24 * 60 * 60 * 1000));

function amt(){
  var count = GetCookie('count')
  if(count == null) {
    SetCookie('count','1')
    return 1
  } else {
    var newcount = parseInt(count) + 1;
    DeleteCookie('count')
    SetCookie('count',newcount,exp)
    return count
  }
}

function getCookieVal(offset) {
  var endstr = document.cookie.indexOf (";", offset);
  if (endstr == -1)
  endstr = document.cookie.length;
  return unescape(document.cookie.substring(offset, endstr));
}

function checkCount() {
  var count = GetCookie('count');
  if (count > 0) {
    count++;
    SetCookie('count', count, exp);
  } else {
	count=1;
    SetCookie('count', count, exp);
    loadPopup();
  }
}
// ============  end cookie check ========================


var popupStatus = 0;

var windowWidth = document.documentElement.clientWidth;
var windowHeight = document.documentElement.clientHeight;

var speedIn = 1600;
var speedOut = 800;

function loadPopup(){
	var popupHeight = $("#popupContact").height();
	var popupWidth = $("#popupContact").width();
	//centering
	/*
	$("#popupContact").css({
		"position": "absolute",
		"top": windowHeight/2-popupHeight/2,
		"left": windowWidth/2-popupWidth/2
	});
	*/
	//only need force for IE6

	if(popupStatus==0){
		$("#backgroundPopup").css({	"opacity": "0" });
		$("#popupContact").css({ "display": "block", "opacity": "0", "position": "absolute", "top": "100%", "left": "0"  });
		
		$("#backgroundPopup").fadeIn(speedIn);
		$("#popupContact").animate(
			{
				"top": windowHeight/2-popupHeight/2,
				"left": windowWidth/2-popupWidth/2,
				"opacity": "1"
			},
			{
				duration: speedIn,
				complete: function() {
					setTimeout("disablePopup()", 5000)
				}
			}
		);
		popupStatus = 1;
	}
}
function disablePopup(){
	if(popupStatus==1){
		$("#backgroundPopup").fadeOut(speedOut);
		$("#popupContact").fadeOut(speedOut);
		popupStatus = 0;
	}
}

//CONTROLLING EVENTS IN jQuery
$(document).ready(function(){
	
	//LOADING POPUP
	/*
	$("#puwBtn").click(function(){
		//centering with css
		centerPopup();
		//load popup
		loadPopup();
	});	
	*/
	$("#backgroundPopup").css({
		"height": windowHeight
	});
	checkCount();
	
	//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();
		}
	});

});