function checkComplete() {  
var alert_message = "";

if (isEmpty(window.document.contact.memName.value)) {
	alert_message = alert_message + "   - Your Name\n";
}
if (!isValidEmail(window.document.contact.memEmail.value)) {
	alert_message = alert_message + "   - Valid Email Address\n";
}
if (isEmpty(window.document.contact.memComments.value)) {
	alert_message = alert_message + "   - Your Comments\n";
}

if (alert_message) { 
	alert ("Sorry, you haven't completed the form.\n" +
		   "Please supply the following information:\n\n" +
			alert_message);
	return false;
} else { 
	return true;
}
}

function isEmpty (strValue) {
return (! strValue.replace (/^(\s*)/, "", strValue));
}

function isValidEmail (emailStr) {

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) {
	return false;
}

var user=matchArray[1];
var domain=matchArray[2];

if (user.match(userPat)==null) {
	return false; 
}

var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
	for (var i=1;i<=4;i++) {
		if (IPArray[i]>255) {
			return false; 
		}
	}
	return true;
}

var domainArray=domain.match(domainPat)
if (domainArray==null) {
    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) {
	return false;
}

if (len<2) {
	return false;
}

return true;
}