function trim(str) {
	var whitespace = new String(" \t\n\r");
	var s = new String(" " + str + " ");
	if (whitespace.indexOf(s.charAt(0)) != -1) {
		var j=0, i = s.length;
            while (j < i && whitespace.indexOf(s.charAt(j)) != -1) {
			j++;
		}
            s = s.substring(j, i);
	}

	if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
		var i = s.length - 1;       
            while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1) {
			i--;
		}
            s = s.substring(0, i+1);
	}
	return s;
}

function checkQuestionForm(theForm) {
	var msg = "";
	
	var femail = trim(theForm.elements['email'].value);
	if (femail == "") {
		msg += "\tEmail Address\n";
	} else {
		var regexpEmail = /^[^0-9][a-zA-Z0-9_]+([.][a-zA-Z0-9_]+)*[@][a-zA-Z0-9_]+([.][a-zA-Z0-9_]+)*[.][a-zA-Z]{2,4}$/;
		if (regexpEmail.test(femail) == false) {
			msg += "\tBad Email Address Format\n";
		}
	}
	var fquestion = trim(theForm.elements['question'].value);
	if (fquestion == "") {
		msg += "\tQuestion\n";
	} else {
		var regexpHtml = /<\/?\w+((\s+\w+(\s*=\s*(?:".*?"|'.*?'|[^'">\s]+))?)+\s*|\s*)\/?>/;
		if (regexpHtml.test(femail) == true) {
			msg += "\tNo HTML allowed!\n";
		}
	}
	if (msg != "") {
		alert("These items need attention...\n" + msg);
		return false;
	}
	return true;
}