<!------------- Comment for browser does not support java script

function trimLeft(s) {
	var whitespaces = " \t\n\r";
	for(n = 0; n < s.length; n++) { if (whitespaces.indexOf(s.charAt(n)) == -1) return (n > 0) ? s.substring(n, s.length) : s; }
	return("");
}

function trimRight(s){
	var whitespaces = " \t\n\r";
	for(n = s.length - 1; n  > -1; n--) { if (whitespaces.indexOf(s.charAt(n)) == -1) return (n < (s.length - 1)) ? s.substring(0, n+1) : s; }
	return("");
}

function trim(s) {return ((s == null) ? "" : trimRight(trimLeft(s))); }

function isBlank(field, strBodyHeader) {
	strTrimmed = trim(field.value);
	if (strTrimmed.length > 0) return false;
	alert("\"" + strBodyHeader + "\" is a required field. Please type a value.");
	field.focus();
	return true;
}


function isEmail(field, strBodyHeader) {
	var strMsg = ""; var chAt  = '@'; var chDot = '.'; var chSpace = ' '; var strEmailAddr = trim(field.value);
	if (strEmailAddr.length == 0) return true;
	if (strEmailAddr.indexOf(chSpace) == -1) {
		var iFirstAtPos = strEmailAddr.indexOf(chAt);
		var iLastAtPos = strEmailAddr.lastIndexOf(chAt);
		if (iFirstAtPos > 0 && iFirstAtPos < (strEmailAddr.length - 1) && iFirstAtPos == iLastAtPos) {
			// look for '.' there must be at least one char between '@' and '.'
			var iDotPos = strEmailAddr.indexOf(chDot, iFirstAtPos + 1);
			if (iDotPos > (iFirstAtPos + 1) && iDotPos < (strEmailAddr.length - 1)) return true;
		}
	}
	alert("Error: Invalid email address. Please type a valid email address for field \"" + strBodyHeader + "\".");
	field.focus();
	return false;
}


//-->