function validate_form(thisform) {
	if (!validate_email(element('hdjlhi-hdjlhi'), "Please enter a valid email address.")) {
		return false;
	}
}

function prepText(field){
	if (field.defaultValue == field.value) field.value = '';
	else if (field.value == '') field.value = field.defaultValue;
}

function validate_email(field, alerttxt) {
	with (field) {
		var trimValue = value.trim();
		if (trimValue != "") {
			if ((trimValue.indexOf(".") > 2) && (trimValue.indexOf("@") > 0) && (trimValue.charAt(trimValue.indexOf(".") + 1) != "")) {
				return true;
			} else {
				alert(alerttxt);
				return false;
			}
		} else {
			alert(alerttxt);
			return false;
		}
	}
}

function element(id) {
	return document.getElementById(id);
}

String.prototype.trim = function() {
	return this.replace(/^\s+|\s+$/g, "");
}