<!--
function checkBrowser() {
	this.ver=navigator.appVersion;
	this.dom=document.getElementById?1:0; 
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ns6=(this.dom && parseInt(this.ver) >= 5)?1:0;
	this.ns4=(document.layers && !this.dom)?1:0;
	this.ie4mac = (this.ver>=4) && (this.ver<5) && (navigator.appVersion.indexOf("Mac")>-1) && (!ns4) && (!ns6);
	this.ie5mac = (this.ver>=5) && (navigator.appVersion.indexOf("Mac")>-1) && (!n4) && (!ns6);
	
	// is the users browser compatible with the webapplication?
	this.compatible=(this.ie5 || this.ie4 || this.ns4 || this.ie5mac);
	this.ie = (this.ie4 || this.ie5 || this.ie5mac)
	this.ns = (this.ns4);
	this.mac = (navigator.appVersion.indexOf("Macintosh")>0)
	this.win = (navigator.appVersion.indexOf("Win")>0)
	return (this)
}

var browser = new checkBrowser();

// IMAGE PRELOAD AND SWAP

function preloadImages() {
	var browser = new checkBrowser(); 
	if (document.images) {
		var imgStr = preloadImages.arguments;
		if (!document.preloadArray) document.preloadArray = new Array();
		var n = document.preloadArray.length;
		for (var i=0; i<preloadImages.arguments.length; i++) {
			document.preloadArray[n] = new Image;
			document.preloadArray[n].src = imgStr[i];
			n++;
		} 
	}
}

function swapImage(imgSrc,imgID,layerID,layerMother,layerGrandmother) {
	var browser = new checkBrowser();
 
	if(browser.ns) {
		var layerStr = (swapImage.arguments.length > 4) ? "document." + layerGrandmother + "." : "";
		layerStr += (swapImage.arguments.length > 3) ? "document." + layerMother + "." : "";
		layerStr += (swapImage.arguments.length > 2) ? "document." + layerID + "." : "";
		eval(layerStr + "document." + imgID + ".src = '" + imgSrc + "'");
	} else {
		var layerStr = (swapImage.arguments.length > 2) ? "document.all." + layerID + "." : "";
		eval(layerStr + "document." + imgID + ".src = '" + imgSrc + "'");
	}
}
//-->