//////  Browser Version Compatibility Test
	var browserSniff = false;
	if ( parseInt( navigator.appVersion ) >= 3 ) { browserSniff = true; }

	/// Pre-cache Images
	var imgs = new Array();
	imgs = [
		'radio_on', '/images/button_radio_on.gif',
		'radio_off', '/images/button_radio.gif',
				];

	// Do the Preloading
	var cached = new Array();
	for ( var i = 0; i < imgs.length; i = i + 2) { cached[imgs[i]] = new Image();    cached[imgs[i]].src = imgs[(i + 1)]; }

	// Simple Mouseover Script
	function flip(imgName, srcName)
	{
		if ( browserSniff )
		{
			if ( cached[srcName] ) { eval('document.images["' + imgName + '"].src = cached["' + srcName + '"].src'); }
			else { var img = new Image();    img.src = srcName;    eval('document.images["' + imgName + '"].src = img.src'); }
		}
	}