function get_radio_value (radio_array){
  var i;
  for (i=0; i<radio_array.length; ++i)
      if (radio_array[i].checked)
         return radio_array[i].value;
  return null; 
}

function check_radio(radio_element) {
	var val = get_radio_value(radio_element);
	if (val == null) {
		return 2;
	}
	return null;
}

function check_dropdown(dd) {
	if (dd.selectedIndex  == 0)	{
		dd.focus();
		return 2;
	}
}

function check_text(text) {
	if (text.value.length == 0) {
		text.focus();
		return 2;
	}
}

function check_checkbox(check) {
	if (! check.checked) {
		return 2;
	}
}

function verify_fields()
{
  alertMsg = 1;
  
  if (check_text(document.vendor.currentdate) == 2) 
  { alert("Application date is required");
  	document.vendor.currentdate.focus();
  	return false; }
  if (check_text(document.vendor.busname) == 2) 
  { alert("Business name is required");
  	document.vendor.busname.focus();
  	return false; }
  if (check_text(document.vendor.street) == 2) 
  { alert("Street address is required");
  	document.vendor.street.focus();
  	return false; }
  if (check_text(document.vendor.city) == 2) 
  { alert("City is required");
  	document.vendor.city.focus();
  	return false; }
  if (check_dropdown(document.vendor.state) == 2) 
  { alert("State is required");
  	document.vendor.state.focus();
  	return false; }
  if (check_text(document.vendor.zipcode) == 2) 
  { alert("Zip code is required");
  	document.vendor.zipcode.focus();
  	return false; }
   if (check_text(document.vendor.phone) == 2) 
  { alert("Phone number is required");
  	document.vendor.phone.focus();
  	return false; }
  if (check_text(document.vendor.fax) == 2) 
  { alert("Fax number is required");
  	document.vendor.fax.focus();
  	return false; }
  if (check_text(document.vendor.years) == 2) 
  { alert("Years at present address is required");
  	document.vendor.years.focus();
  	return false; }
  
  if (check_text(document.vendor.email1) == 2) 
  { alert("An email address is required");
  	document.vendor.email1.focus();
  	return false;}
 
  	 return true;
}