function topOut(id)
{
 (new Image()).src='/topout.php?id='+id;
 return true;
}

ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false
oth = (document.getElementById)? true:false

function showPop()
{
 if(ns4) objPoster=document.cadrePop;
 else if(ie4) objPoster=cadrePop.style;
 else if(oth) objPoster=document.getElementById('cadrePop').style;
 objPoster.display='block';
}

function hidePop()
{
 if(ns4) objPoster=document.cadrePop;
 else if(ie4) objPoster=cadrePop.style;
 else if(oth) objPoster=document.getElementById('cadrePop').style;
 objPoster.display='none';
}