//<!--- begin
function validate_form() {
  validity = true; // assume valid
  if (!check_empty(document.form.Name.value))
        { validity = false; alert('Must have a name'); }
  if (!check_empty(document.form.Address.value))
        { validity = false; alert('Address missing!'); }
  if (validity)
		{
        if (document.all||document.form.getElementById)
			{ for (i=0;i<document.form.length;i++)
			    { var tempobj=document.form.elements[i]
                  if(tempobj.type.toLowerCase()=="submit"||tempobj.type.toLowerCase()=="reset")  tempobj.disabled=true }
        }
   }
   if (validity)
		alert ("Needed entries have been verified. "
                + "Your entry is now being passed to your browser's "
                + "Mail Delivery Sub-System.");
		
  return validity;
}

function check_empty(text) {
  return (text.length > 0); // returns false if empty
}

function check_email(address) {
  if ((address == "")
    || (address.indexOf ('@') == -1)
    || (address.indexOf ('.') == -1))
      return false;
  return true;
}

function check_url(address) {
  if ((address == "")

    || (address.indexOf ('http://') == -1)
    || (address.indexOf ('.') == -1))
      return false;
  return true;
}

//End--->