var oldClass = "";
browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion);
if (browser_name == "Netscape" && browser_version >= 3.0)
{ rollover = 'true'; }
else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 4.0)
{ rollover = 'true'; }
else { rollover = 'false'; }

if (rollover == 'true') {
	grafik1=new Image();grafik1.src="images/main_navi_right_hover.gif";
	grafik2=new Image();grafik2.src="images/main_navi_right_trans.gif";
}
function onState(img,ref) { if (rollover == 'true') { document.images[img].src = ref; } }
function offState(img,ref) { if (rollover == 'true') { document.images[img].src = ref; } }
function test(item) { 
	oldClass = item.parentNode.className;
	imgNode = item.parentNode.nextSibling;
	while(imgNode != null && imgNode.nodeType != 1){ //weil der Firefox als naechsten Node einen leeren Textnode findet
		imgNode = imgNode.nextSibling;
	}
	
	item.parentNode.className = "hover";
	imgNode.src = "images/main_navi_right_hover.gif";
}
function test2(item) { 
	item.parentNode.className = oldClass;
	imgNode = item.parentNode.nextSibling;
	while(imgNode != null && imgNode.nodeType != 1){ //weil der Firefox als naechsten Node einen leeren Textnode findet
		imgNode = imgNode.nextSibling;
	}
	if( oldClass == "aktiv"){
		imgNode.src = "images/main_navi_right.gif";
	}else {
		imgNode.src = "images/main_navi_right_trans.gif";
	}
}

//needs overlib
function showMessage(data) 
{
	return overlib(data,CSSOFF, OFFSETX, 0, OFFSETY, 0, FGCOLOR, '#EFEFEF', BGCOLOR, 'white', WIDTH , 200, HAUTO, VAUTO);
} 

//needs overlib
function showImage(url) 
{
	var html = '<img src="' + url + '" />'; 
	return overlib(html, FULLHTML, OFFSETX, 0, OFFSETY, 0 );
}