<!-- Begin
function emailCheck (emailStr) {

var checkTLD=1;

var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;

var emailPat=/^(.+)@(.+)$/;

var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";

var validChars="\[^\\s" + specialChars + "\]";

var quotedUser="(\"[^\"]*\")";

var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;

var atom=validChars + '+';

var word="(" + atom + "|" + quotedUser + ")";

var userPat=new RegExp("^" + word + "(\\." + word + ")*$");

var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

var matchArray=emailStr.match(emailPat);

if (matchArray==null) {

alert("The specified e-mail address seems incorrect. (check @ and .'s)");
return false;
}
var user=matchArray[1];
var domain=matchArray[2];

for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
alert("The specified e-mail address contains invalid characters.");
return false;
   }
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
alert("The specified e-mail address contains invalid characters.");
return false;
   }
}


if (user.match(userPat)==null) {


alert("The specified e-mail address does not seem to be valid.");
return false;
}


var IPArray=domain.match(ipDomainPat);
if (IPArray!=null) {


for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
alert("The IP address provided as part of the e-mail address is invalid!");
return false;
   }
}
return true;
}

 
var atomPat=new RegExp("^" + atom + "$");
var domArr=domain.split(".");
var len=domArr.length;
for (i=0;i<len;i++) {
if (domArr[i].search(atomPat)==-1) {
alert("The specified e-mail address does not seem to be valid.");
return false;
   }
}

if (checkTLD && domArr[domArr.length-1].length!=2 && 
domArr[domArr.length-1].search(knownDomsPat)==-1) {
alert("The e-mail address must end in a well-known domain (like com, net, org) or two letter " + "country code.");
return false;
}


if (len<2) {
alert("This e-mail address is missing a hostname.");
return false;
}

return true;
}

//  End -->


  <!-- Begin
  function validate() {

	if(!document.form1.name.value ) {
		alert('Please complete the following required field: Name');
		return false;
	}
	if(!document.form1.problem.value ) {
		alert('Please complete the following required field: Detailed Problem Description');
		return false;
	}

	return emailCheck(document.form1.email_address.value);
  }

  //  End -->