<!--

function validate_form(form_name)
{
	if (form_name.txtName.value == "")
	{
		alert("Please enter your name!");
		form_name.txtName.select();
		return false;
	}


	if (form_name.txtQuery.value == "")
	{
		alert("Please enter your comments!");
		form_name.txtQuery.select();
		return false;
	}



	if (form_name.txtEmail.value == "")
	{
		alert("Please enter your email address!");
		form_name.txtEmail.select();
		return false;
	}


	if (form_name.txtEmail.value != "")
	{
		
		var emailStr=form_name.txtEmail.value;
		var emailPat=/^(.+)@(.+)$/
		var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
		var validChars="\[^\\s" + specialChars + "\]"
		var quotedUser="(\"[^\"]*\")"
		var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
		var atom=validChars + '+'
		var word="(" + atom + "|" + quotedUser + ")"
		var word2 = "(" + validChars + "*|" + quotedUser + ")";
		var userPat=new RegExp("^" + word + "(\\." + word2 + ")*$")

		//var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
		var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
		var matchArray=emailStr.match(emailPat)
		if (matchArray==null) {
			alert("Invalid email address!")
			form_name.txtEmail.select();
			return false;
		}
		var user=matchArray[1]
		var domain=matchArray[2]
		if (user.match(userPat)==null) {
			alert("Invalid email address!")
			form_name.txtEmail.select();
			return false;
		}
		var IPArray=domain.match(ipDomainPat)
		if (IPArray!=null) {
			  for (var i=1;i<=4;i++) {
				if (IPArray[i]>255) {
					alert("Invalid email address!")
				form_name.txtEmail.select();
				return false;
				}
			}
			return true;
		}
		var domainArray=domain.match(domainPat)
		if (domainArray==null) {
			alert("Invalid email address!")
			form_name.txtEmail.select();
			return false;
		}
		var atomPat=new RegExp(atom,"g")
		var domArr=domain.match(atomPat)
		var len=domArr.length
		if (domArr[domArr.length-1].length<2 ||
			domArr[domArr.length-1].length>3) {
		   alert("Invalid email address!")
		   form_name.txtEmail.select();
		   return false;
		}
		if (len<2) {
		   alert("Invalid email address! Address Too Short!")
		   form_name.txtEmail.select();
		   return false;
		}
	}

	return true;
}
//-->