function parseQString() {
  var qs = new Array();
  var loc = location.search;
  if (loc) {
    loc = loc.substring(1); // loose the leading ?
    var parms = loc.split('&');
    for (var i = 0; i < parms.length; i++) {
      nameValue = parms[i].split('=');
      qs[nameValue[0]] = (nameValue.length == 2) ? unescape(nameValue[1]).replace(/\+/g,' '): null; 
    }
  }
  return qs;
}
function getQSParm(parm) {
  return (qs[parm]) ? qs[parm] : null
}
var qs = parseQString(); // initialise 
function submitform() {   
document.forms[0].elements['inf_field_FirstName'].value=getQSParm("inf_field_FirstName");
document.forms[0].elements['inf_field_LastName'].value=getQSParm("inf_field_LastName");
document.forms[0].elements['inf_field_Email'].value=getQSParm("inf_field_Email");
document.forms[0].elements['inf_field_Phone1'].value=getQSParm("inf_field_Phone1");
document.forms[0].elements['inf_field_StreetAddress1'].value=getQSParm("inf_field_StreetAddress1");
document.forms[0].elements['inf_field_City'].value=getQSParm("inf_field_City");
document.forms[0].elements['inf_field_State'].value=getQSParm("inf_field_State");
document.forms[0].elements['inf_field_PostalCode'].value=getQSParm("inf_field_PostalCode");
}