function isIE5() { return (navigator.userAgent.indexOf("MSIE 5") > -1); }
function isIE6() { return ((navigator.userAgent.indexOf("MSIE 6") > -1) && (navigator.userAgent.indexOf("Opera") == -1)); }
function isIE() { return (isIE5() || isIE6());}
var isIE = isIE();
var urlI = "img/";
var loadedImages = new Array (
	"bg_MenuLeft_on.gif",
	"bull_Arrow_orange.gif",
	"bull_IndLink_on.gif");
	
function preloadImages() {
	var xImages = new Array ();
                      
 		for (i=0; i < loadedImages.length; i++) {
			xImages[i] = new Image ();
			xImages[i].src = urlI + loadedImages[i];
		}
}

function fixpng() {
	for (var i = 0; i < document.images.length; i++) {
		var img = document.images[i];
		imgSrc = img.src;
		if (imgSrc.substr(imgSrc.length-3).toLowerCase() == "png") {
			var w, h;
			w = img.width, h = img.height;
			img.src = "img/ill_Transpoint.gif";
			img.width = w, img.height = h;
			img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'" + imgSrc + "\', sizingMethod='scale');";
			img.style.visibility = "visible";
		}
	}
}

function fixpngff() {
	if (!isIE) {
	
		for (var i = 0; i < document.images.length; i++) {
			var img = document.images[i];
			imgSrc = img.src;
			if (imgSrc.substr(imgSrc.length-3).toLowerCase() == "png") img.style.visibility = "visible";
		}
		
	}
}

function doLink(aitem,flag) {
	aitem.parentNode.className= (flag) ? "il-on" : "il-off";
}

if (isIE) window.attachEvent("onload", fixpng);

		var newwin;
		function openCDDemo() {
			newwin = window.open("/cd_demo.html","_blank","toolbar=0,scrollbars=No,width=600,height=500");
			setTimeout('newwin.focus();',250);
		}
		
		function openVideo() {
			params = "toolbar=0,width=345,height=400,scrollbars=No";
			newwin = window.open("video_demo.html","_blank",params);
			setTimeout('newwin.focus();',250);
		}
		function openAudio() {
			params = "toolbar=0,width=345,height=140,scrollbars=No";
			newwin = window.open("audio_demo.html","_blank",params);
			setTimeout('newwin.focus();',250);
		}