/*
get last loc. of ?
right: find first loc. of sName
+2
retrieve value before next &
*/
var sURL = new String(window.location);
var iQMark= sURL.lastIndexOf('?');
var iLensName=sName.length;
//retrieve loc. of sName
var iStart = sURL.indexOf('?' + sName +'=') //limitation 1
if (iStart==-1)
{//not found at start
iStart = sURL.indexOf('&' + sName +'=')//limitation 1
if (iStart==-1)
{//not found at end
return 0; //not found
}
}