var navi=new Array("/a.gif","/sysimg/naviblau.gif","/sysimg/navischwarz.gif","/sysimg/listegrau_ueber.gif","/sysimg/listeblau_ueber.gif")

function img_change(img_name,i) 
{
document[img_name].src=navi[i];
}

function winOpen(theURL,winName,features) 
{ 
var win
win = window.open(theURL,winName,features);
win.focus();
}