if (typeof(lpServerName) == "undefined")
	lpServerName = "server.iad.liveperson.net";
var lpDOM = (document.getElementById) ? true : false;
var lpIE = (document.all) ? true : false;
var lpMAC_IE = ((navigator.platform) && (navigator.platform.toUpperCase().indexOf("MAC") >= 0) && (lpIE));
var lpEngageImage = new Image();
if ((! lpIE) && (lpDOM))
{
	lpEngageImage = document.createElement('IMG');
	lpEngageImage.style.visibility = "hidden";
	lpEngageImage.style.position = "absolute";
	lpEngageImage.style.top = "0px";
	lpEngageImage.style.left = "0px";
	document.body.appendChild(lpEngageImage);
} else
if (lpMAC_IE)
{
	document.writeln("<div style='visibility:hidden'><img src='blank' id='lpEngageImage' name='lpEngageImage'></div>");
	lpEngageImage = document.lpEngageImage;
}

function lpGetDate()
{
	var d = new Date();
	return d.getTime();
}

function lpCheckImage() {
	if (((lpDOM && !lpIE) || (lpMAC_IE)) && (! lpEngageImage.complete))
		return false;
	var imageWidth = lpEngageImage.width;
	if (imageWidth > 0) {
		if (imageWidth == 82) {
			lpEngageForChat();
		}
		return true;
	}
	return false;
}

function lpLoopImage() {
	if (lpCheckImage())
		return;
	setTimeout("lpLoopImage()", 1000);
}

function lpCheckEngage() {
	lpEngageImage.src = "http://" + lpServerName + "/hc/" + lpNumber + "/?cmd=canEngage&site=" + lpNumber + "&yes=/hcp/width/img82.gif&no=/hcp/width/img81.gif" + "&d=" + lpGetDate();
	lpLoopImage();
}
	
function lpEngageForChat() {
	if (typeof(openEngageChat) != "undefined")
			openEngageChat("auto engage", lpCV);
}

if (lpEngageSeconds >= 0)
	setTimeout("lpCheckEngage()", lpEngageSeconds * 1000);