function linkto() {
	var selection;
	selection=document.liens.rub;
	window.location=selection.options[selection.selectedIndex].
	value;
}

function lien(url){
 location.href = url;
}

function clicMenu(num) { 

  isIE = (document.all) 
  isNN6 = (!isIE) && (document.getElementById)


  if (isIE) menu = document.all['menu' + num];
  if (isNN6) menu = document.getElementById('menu' + num);

  if (menu.style.display == "none"){
 
    menu.style.display = ""
	document.images['image'+num].src='public/interface/picto_down.gif';
  } else   {
  
    menu.style.display = "none"
	document.images['image'+num].src='public/interface/picto_up.gif';
	
   }
}

function clicSom2(num) { 

  isIE = (document.all) 
  isNN6 = (!isIE) && (document.getElementById)


  if (isIE) menu = document.all['som' + num];
  if (isNN6) menu = document.getElementById('som' + num);

  if (menu.style.display == "none"){
 
    menu.style.display = ""
	document.images['image2'+num].src='public/interface/picto_down.gif';
  } else   {
  
    menu.style.display = "none"
	document.images['image2'+num].src='public/interface/picto_up.gif';
	
   }
}


<!-- // load htmlarea
_editor_url = "../public/services/htmlarea/";                     // URL to htmlarea files
var win_ie_ver = parseFloat(navigator.appVersion.split("MSIE")[1]);
if (navigator.userAgent.indexOf('Mac')        >= 0) { win_ie_ver = 0; }
if (navigator.userAgent.indexOf('Windows CE') >= 0) { win_ie_ver = 0; }
if (navigator.userAgent.indexOf('Opera')      >= 0) { win_ie_ver = 0; }
if (win_ie_ver >= 5.5) {
 document.write('<scr' + 'ipt src="' +_editor_url+ 'editor.js"');
 document.write(' language="Javascript1.2"></scr' + 'ipt>');  
} else { document.write('<scr'+'ipt>function editor_generate() { return false; }</scr'+'ipt>'); }
// -->