function del_cookie(name) {
document.cookie = name +
'=; expires=Thu, 01-Jan-70 00:00:01 GMT;';
} 
function ReadCookie(cookieName) {
 var theCookie=" "+document.cookie;
 var ind=theCookie.indexOf(" "+cookieName+"=");
 if (ind==-1) ind=theCookie.indexOf(";"+cookieName+"=");
 if (ind==-1 || cookieName=="") return "";
 var ind1=theCookie.indexOf(";",ind+1);
 if (ind1==-1) ind1=theCookie.length; 
 return unescape(theCookie.substring(ind+cookieName.length+2,ind1));
}
function setCookieDone(cookieName,cookieValue,nDays) {
 var today = new Date();
 var expire = new Date();
 if (nDays==null || nDays==0) nDays=1;
 expire.setTime(today.getTime() + 3600000*24*nDays);
 document.cookie = cookieName+"="+escape(cookieValue) + ";expires="+expire.toGMTString();
}
function toggle2() {
	var el1 = document.getElementById('popUpFormDiv');
	var el2 = document.getElementById('popUpThanksDiv');
	el1.style.display = 'none';
	el2.style.display = 'block';
}
function toggle(div_id) {
	var el = document.getElementById(div_id);
	if ( (el.style.display == 'none') || (!document.cookie)) {	el.style.display = 'block';}
	else {el.style.display = 'none';}
}
function ignore() {
	var el = document.getElementById('blanket');
	el.style.display = 'none';
	var el = document.getElementById('popUpDiv');
	el.style.display = 'none';
	setCookieDone("alexcolman2","done",60);
}
function blanket_size(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportheight = window.innerHeight;
	} else {
		viewportheight = document.documentElement.clientHeight;
	}
	if ((viewportheight > document.body.parentNode.scrollHeight) && (viewportheight > document.body.parentNode.clientHeight)) {
		blanket_height = viewportheight;
	} else {
		if (document.body.parentNode.clientHeight > document.body.parentNode.scrollHeight) {
			blanket_height = document.body.parentNode.clientHeight;
		} else {
			blanket_height = document.body.parentNode.scrollHeight;
		}
	}
	var blanket = document.getElementById('blanket');
	blanket.style.height = blanket_height + 'px';
	var popUpDiv = document.getElementById(popUpDivVar);
	// original code popUpDiv_height=blanket_height/2-150;//150 is half popups height
	popUpDiv_height=200;//150 is half popups height
	popUpDiv.style.top = popUpDiv_height + 'px';
}
function window_pos(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportwidth = window.innerHeight;
	} else {
		viewportwidth = document.documentElement.clientHeight;
	}
	if ((viewportwidth > document.body.parentNode.scrollWidth) && (viewportwidth > document.body.parentNode.clientWidth)) {
		window_width = viewportwidth;
	} else {
		if (document.body.parentNode.clientWidth > document.body.parentNode.scrollWidth) {
			window_width = document.body.parentNode.clientWidth;
		} else {
			window_width = document.body.parentNode.scrollWidth;
		}
	}
	var popUpDiv = document.getElementById(popUpDivVar);
	window_width=window_width/2-150;//150 is half popups width
	popUpDiv.style.left = window_width + 'px';
}
function popup(windowname) {
	if (!ReadCookie("alexcolman2")) {
	blanket_size(windowname);
	window_pos(windowname);
	toggle('blanket');
	toggle(windowname);
	}
  if (ReadCookie("alexcolman2")) {
	//toggle('blanket');
	//toggle(windowname);
	}
  
}

function handleHttpResponse() {
  	setCookieDone("alexcolman2","done",60);
}
var url;// The server-side script
var isWorking = false;
function getHTTPObject() {
  var xmlhttp;
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }
  return xmlhttp;
}
var http = getHTTPObject(); // We create the HTTP Object