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

/* *** */

function showPop(url)
{
 document.getElementById('cadrePop').innerHTML="<div><iframe src='"+url+"' name='pop_frame' frameborder='0'></iframe></div>";
 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';
}