function Len(str)
{
     var i,sum;
     sum=0;
     for(i=0;i<str.length;i++)
     {
         if ((str.charCodeAt(i)>=0) && (str.charCodeAt(i)<=255))
             sum=sum+1;
         else
             sum=sum+2;
     }
     return sum;
}
 
function moveFocus(evt,objID)
{
var objx=""
var strFocus="";
objx=objID;
evt = (evt) ? evt : ((window.event) ? window.event : "")
key = evt.keyCode ? evt.keyCode : evt.which;
if(key==13)
{
strFocus="document.getElementById(\""+objx+"\").focus()";
eval(strFocus);
return false;
}
}

function openLiveChat() {
    window.open('https://server.iad.liveperson.net/hc/61815096/?cmd=file&file=visitorWantsToChat&site=61815096&imageUrl=https://server.iad.liveperson.net/hcp/Gallery/ChatButton-Gallery/English/General/1a/&referrer=http%3A//co', '_blank', 'height=550,width=800,top=' + (screen.height - 550) / 2 + ',left=' + (screen.width - 800) / 2 + ',toolbar=no,menubar=no,scrollbars=yes,resizable=yes,location=no,status=no');
}