// JavaScript Document by Open Resources www.openresources.fr

function show_menu(elem){
	try {
	document.getElementById('menu_anciens').style.display='none';
	document.getElementById('anciens_bt').className = "";
	document.getElementById('menu_entreprises').style.display='none';
	document.getElementById('entreprises_bt').className = "";
	document.getElementById('menu_etudiants').style.display='none';
	document.getElementById('etudiants_bt').className = "";
		for (i=1; i<=10; i++)
			{
				document.getElementById('lka_'+i).className = "off";
				document.getElementById('lkb_'+i).className = "off";
				document.getElementById('lkc_'+i).className = "off";
			}
		}
	catch (everything) {}
	document.getElementById('menu_'+elem).style.display='block';
	document.getElementById(elem+'_bt').className = "on";
}


function remp_cont(toThis)
  {
  if (document.getElementById)
    {
    document.getElementById("zone_txt_centre").innerHTML = toThis;
    }
  else if (document.all)
    {
    document.all["zone_txt_centre"].innerHTML = toThis;
    }
  }
  
// fonctions permettant de rendre actif/inactif le menu gauche
function turnon_lka(elem){

	try {
		for (i=1; i<=10; i++)
			{
				document.getElementById('lka_'+i).className = "off";
			}
		}
	catch (everything) {}

	document.getElementById(elem).className = "on";

}


function turnon_lkb(elem){

	try {
		for (i=1; i<=10; i++)
			{
				document.getElementById('lkb_'+i).className = "off";
			}
		}
	catch (everything) {}

	document.getElementById(elem).className = "on";

}


function turnon_lkc(elem){

	try {
		for (i=1; i<=10; i++)
			{
				document.getElementById('lkc_'+i).className = "off";
			}
		}
	catch (everything) {}

	document.getElementById(elem).className = "on";

}