ns = (document.layers) ? true:false

dom = (document.getElementById) ? true:false

ie = (document.all) ? true:false

           

function show(L) {

      if (ns) document[L].visibility = "show";

 else if (dom) document.getElementById(L).style.visibility = "visible";

 else if (ie) document.all[L].visibility = "show";

}

 

function hide(NL) {

if (ns) document[NL].visibility = "hide";

 else if (dom) document.getElementById(NL).style.visibility = "hidden";

 else if (ie) document.all[NL].visibility = "hidden";

}

 

active_img=new Image; active_img.src='/docroot/gfx/kreisAni.gif';

empty_img=new Image; empty_img.src='/docroot/gfx/alpha.gif';

 

function act(name){ document[name].src=active_img.src; }

 

function inact(name) { document[name].src=empty_img.src; }