if (navigator.appName.indexOf("Microsoft") != -1) { 
	crosoft = true ; 
	scape = false ; 
	var i = navigator.appVersion.indexOf("MSIE");
	version = navigator.appVersion.substring(i+5,i+8);
}
else{ 
	scape = true ; 
	crosoft = false;
	version = navigator.appVersion.substring(0,3);
}

function resizer() {
	if (navigator.appName=="Netscape"){
		location.replace(document.location);
	}
}

function findObj(theObj, theDoc){
  var p, i, foundObj;
  
  if(!theDoc) theDoc = document;
  if( (p = theObj.indexOf("?")) > 0 && parent.frames.length)
  {
    theDoc = parent.frames[theObj.substring(p+1)].document;
    theObj = theObj.substring(0,p);
  }
  if(!(foundObj = theDoc[theObj]) && theDoc.all) foundObj = theDoc.all[theObj];
  for (i=0; !foundObj && i < theDoc.forms.length; i++) 
    foundObj = theDoc.forms[i][theObj];
  for(i=0; !foundObj && theDoc.layers && i < theDoc.layers.length; i++) 
    foundObj = findObj(theObj,theDoc.layers[i].document);
  if(!foundObj && document.getElementById) foundObj = document.getElementById(theObj);
  
  return foundObj;
}

function chg_taille(theheight) {
	var obj;
	obj=findObj('crNav');
	obj.style.height=theheight+'px';
}