// Radio Button Validation
// copyright Stephen Chapman, 15th Nov 2004,14th Sep 2005
// you may copy this function but please keep the copyright notice with it

function valButton(btn) {
var cnt = -1;
for (var i=btn.length-1; i > -1; i--) {
   if (btn[i].checked) {cnt = i; i = -1;}
   }
if (cnt > -1) return btn[cnt].value;
else return null;
}
function valForm(theForm) {
var btn = valButton(theForm.multipleLocations);
if (btn == null) alert('Please make a selection for \"Do you have multiple locations\"');
else return valid;

var btn = valButton(theForm.hasServiceProvider);
if (btn == null) alert('Please make a selection for \"Do you currently have a service provider to remove your waste cooking oil\"');
else return valid;
}