
<!-- // hide from far-too-old browsers

/* Associative array for rolled over image URLs */
var SavedImages = new Array();

// Javascript document

<!--function browser_alert() {

	alert ("Please note that this is not a supported browser version! Supported browsers are Microsoft Internet Explorer 5.0 and Netscape Navigator 7.0 or higher. You may proceed but functionality is not guaranteed." );
}

function check_browser() {

	var bname = navigator.appName;
	var bversion = navigator.appVersion;

	if (bname.indexOf("Netscape") != -1) {

		if (bversion.indexOf("4.") > -1) {
			browser_alert();
		}
	}

	if (bname.indexOf("Microsoft") != -1) {

		if (bversion.indexOf("4.") > -1) {
			browser_alert();
		}
	}
}

function checkEmail (email) {

	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;

	if (filter.test(email)) {
		return true;
	} 

	//alert ("email invalid!");
	return false;
}

function validatefield ( field, name) {

	if (field.value == "") {
		alert (name + " field is required!");
		return false;
	}

	return true;
}

function EnableButton (b) {

	b.disabled = false;
}

function DisableButton (b) {

	b.disabled = true;
}

function SetTextField (tfield, val) {
	tfield.value = val;
}

function SwapImage(name, src) {
	image = document.images[name];
	SavedImages[name] = image.src;
	image.src = src;
}

function RestoreImage(name) {
	image = document.images[name];
	image.src = SavedImages[name];-->
}

// -->