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') 
	{
		gtop1=new Image(); gtop1.src="fileadmin/tpl/imba/img/top.gif";
		gtop2=new Image(); gtop2.src="fileadmin/tpl/imba/img/top_.gif";
		gprint1=new Image(); gprint1.src="fileadmin/tpl/imba/img/print.gif";
		gprint2=new Image(); gprint2.src="fileadmin/tpl/imba/img/print_.gif";
		gdown1=new Image(); gdown1.src="fileadmin/tpl/imba/img/downloads.gif";
		gdown2=new Image(); gdown2.src="fileadmin/tpl/imba/img/downloads_.gif";
  }

function mouse_in(img,ref) 
	{ 
		if (rollover == 'true') 
			{ 
				document.images[img].src = ref; 
			} 
	} 
	
function mouse_out(img,ref) 
	{ 
		if (rollover == 'true') 
			{ 
				document.images[img].src = ref; 
			} 
	}