out = new Image(); 
out.src = "wbilogo.gif"; 
over = new Image();  
over.src = "wbilogoa.gif";

function mouse(nummer,bild)
{window.document.images[nummer].src = bild.src;}

function wbipop()
{
neues_fenster = window.open("wbifenst.htm","wbi_fenster","width=200,height=170,top=100,left=100,resizable=no,scrollbars=no,menubar=no");
neues_fenster.focus();
}