function getURLValue(varname) { var url = window.location.href; var qparts = url.split("?"); if (qparts.length < 2) { return -1; //document.alert("no args"); } var query = qparts[1]; var vars = query.split("&"); // Initialize the value with "" as default var value = -1; // Iterate through vars, checking each one for varname for (i=0;i