<!--// JavaScript Document
function validateForm() {
   if (document.forms[0].name.value == "") {
      alert("Please enter your name.");
      document.forms[0].name.focus();
      return false;
      }

   if (document.forms[0].email.value == "") {
      if (document.forms[0].phone.value == "") {
         alert("Please enter a phone number or email address.");
         document.forms[0].email.focus();
         return false;
         }
      }
   else {
      var email = document.forms[0].email.value;
      var lsAT;
      var lsDOT=0,lsDOTold=0;

      lsAT = email.indexOf("@");

      while(lsDOT != -1) {
         lsDOTold = lsDOT;
         lsDOT = email.indexOf(".", lsDOT+1);
         }

      if (lsAT == -1 || lsDOTold == -1 || email.indexOf(" ") != -1 || lsAT + 1 >= lsDOTold ) {
         alert('Your email address is invalid.');
         document.forms[0].email.focus();
         return false;
         }
       }

   if (document.forms[0].subject.value == "") {
      alert("Please enter a subject.");
      document.forms[0].subject.focus();
      return false;
      }

   if (document.forms[0].comments.value == "") {
      alert("Please enter your comments.");
      document.forms[0].comments.focus();
      return false;
      }

   return true;
   }
//-->