<!-- BEGIN LivePerson Monitor. -->
var lpMTagConfig = {'lpServer' : "server.iad.liveperson.net",'lpNumber' : "89692321",'lpProtocol' : "http"}; 
function lpAddMonitorTag(src){
	if(typeof(src)=='undefined'||typeof(src)=='object'){src=lpMTagConfig.lpMTagSrc?lpMTagConfig.lpMTagSrc:'/hcp/html/mTag.js';}
	if(src.indexOf('http')!=0){
		src=lpMTagConfig.lpProtocol+"://"+lpMTagConfig.lpServer+src+'?site='+lpMTagConfig.lpNumber;
	}else{
		if(src.indexOf('site=')<0){
			if(src.indexOf('?')<0)src=src+'?';else src=src+'&';src=src+'site='+lpMTagConfig.lpNumber;
		}
	};
	//http://server.iad.liveperson.net/hcp/html/mTag.js?site=89692321
	var s=document.createElement('script');
	s.setAttribute('type','text/javascript');
	s.setAttribute('charset','iso-8859-1');
	s.setAttribute('src',src);
	document.getElementsByTagName('head').item(0).appendChild(s);
} 

if (window.attachEvent) 
	window.attachEvent('onload',lpAddMonitorTag); 
else window.addEventListener("load",lpAddMonitorTag,false);
<!-- END LivePerson Monitor. -->