function help(withwhat) {
	if (withwhat=="search") {
		var msg="Type in a Product SKU, or a Category Number from our Catalog, or a\n";
		msg=msg+"Sub-category number - and we'll search the database for all matching Products.\n\n";
		msg=msg+"You can also search by one or more keywords - type one or more words in\n";
		msg=msg+"the box and we'll search the database ... the words should be\n";
		msg=msg+"     * separated by a space\n";
		msg=msg+"     * upper- or lower-case doesn't matter\n";
		msg=msg+"     * partial words work great ('crush' matches 'crusher')\n\n";
		msg=msg+"ANY WORD will search for each individual word you type in, and\n";
		msg=msg+"EXACT will search for an exact match ...\n\n";
	}
	alert(msg);
	return;
}

function compute() {
	if (document.form2.fname.value == "")	{alert("Please enter YOUR FIRST NAME ...");document.form2.fname.focus();return false;}
	if (document.form2.lname.value == "")	{alert("Please enter YOUR LAST NAME ...");document.form2.lname.focus();return false;}
	if (document.form2.company.value == "")	{alert("Please enter YOUR COMPANY NAME ...");document.form2.company.focus();return false;}
	if (document.form2.street.value == "")	{alert("Please enter YOUR STREET ADDRESS ...");document.form2.street.focus();return false;}
	if (document.form2.city.value == "")	{alert("Please enter YOUR CITY NAME ...");document.form2.city.focus();return false;}
	if (document.form2.zip.value == "")		{alert("Please enter YOUR POSTAL CODE ...");document.form2.zip.focus();return false;}
	if (document.form2.email.value == "")	{alert("Please enter YOUR E-MAIL ADDRESS ...");document.form2.email.focus();return false;}
	if (document.form2.phone1.value == "")	{alert("Please enter YOUR COMPLETE TELEPHONE NUMBER ...");document.form2.phone1.focus();return false;}
	if (document.form2.phone2.value == "")	{alert("Please enter YOUR COMPLETE TELEPHONE NUMBER ...");document.form2.phone2.focus();return false;}
	if (document.form2.phone3.value == "")	{alert("Please enter YOUR COMPLETE TELEPHONE NUMBER ...");document.form2.phone3.focus();return false;}
	if (document.form2.uname.value == "")	{alert("Please select a LOG IN USERNAME ...");document.form2.uname.focus();return false;}
	if (document.form2.pword.value == "")	{alert("Please select a LOG IN PASSWORD ...");document.form2.pword.focus();return false;}
	if (document.form2.pword2.value == "")	{alert("Please CONFIRM YOUR PASSWORD ...");document.form2.pword2.focus();return false;}
	if (document.form2.pword2.value != document.form2.pword.value) {
		alert("Passwords do not match - please re-enter ...");
		document.form2.pword.value = "";
		document.form2.pword2.value = "";
		document.form2.pword.focus();
		return false;
	}
	if (document.form2.code.value == "")	{alert("Please COPY THE SECURITY CODE INTO THE TEXTBOX ...");document.form2.code.focus();return false;}
	return emailCheck();
}

function emailCheck() {
	var emailStr = document.form2.email.value;
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|tv|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 +")*$");
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null) {alert("The E-mail address seems incorrect (check @ and .'s)");document.form2.email.focus();return false;}
	var user=matchArray[1];
	var domain=matchArray[2];
	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {alert("The E-mail address username contains invalid characters.");document.form2.email.focus();return false;}
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {alert("The E-mail address domain name contains invalid characters.");document.form2.email.focus();return false;}
	}
	if (user.match(userPat)==null) {alert("The E-mail address username doesn't seem to be valid.");document.form2.email.focus();return false;}
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {alert("The E-mail Destination IP address is invalid!");document.form2.email.focus();return false;}
		}
		return true;
	}
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {alert("The E-mail address domain name does not seem to be valid.");document.form2.email.focus();return false;}
	}
	if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1) {
		alert("The E-mail address address must end in a well-known domain or two letter " + "country.");
		document.form2.email.focus();
		return false;
	}
	if (len<2) {alert("The E-mail address address is missing a hostname!");document.form2.email.focus();return false;}
	return true;
}