sfHover = function() {
        var sfEls = document.getElementById("menu").getElementsByTagName("LI");
        for (var i=0; i<sfEls.length; i++) {
                sfEls[i].onmouseover=function() {
                        this.className+=" sfhover";
                }
                sfEls[i].onmouseout=function() {
                        this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
                }
        }
}
if (window.attachEvent) window.attachEvent("onload", sfHover);


function hoverTr() {
	var tabTr = document.getElementById("liste").getElementsByTagName('tr'); // récupération de tous les tr
	 
	for(var i = 0; i < tabTr.length; i++) {
	if(tabTr[i].className != 'vert')
	  {
		tabTr[i].onmouseover = survolerTr; //onmouseover
		tabTr[i].onmouseout = QuitterTr; //onmouseout 
	  }	
	}//for
 
	function survolerTr() {
		this.className = 'survol';
	}//onmouseover
 
	function QuitterTr() {
		this.className = '';
	}//onmouseout
}

function toutcbx()
{ 
   var taille = document.forms['choisir'].elements.length; 
   var element = null; 
   for(i=0; i < taille; i++)
    { 
      element = document.forms['choisir'].elements[i]; 
      if(element.type == "checkbox") 
       {
	   		if(document.getElementById("id_tout").checked)
			{
				element.checked = true; 
			}
			else
			{
				element.checked = false; 
			}
      }
    }    
}    

function supprimer_tab()
{ 
	var tab = new Array();;
	var taille = document.forms['choisir'].elements.length; 
	var element = null; 
	var n = "";
	var nb ="";
	j=0;
	for(i=0; i < taille; i++)
	{ 
	  element = document.forms['choisir'].elements[i]; 
	  if(element.type == "checkbox") 
	  {
		if(element.checked)
		{
			tab[j]=element.value;
			j++;
		}
	  }
	} 
	nb = tab.length;
	for (i=0; i<tab.length; i++) 
	{ 
		n = n+'&tab_sup[]='+tab[i];
	}
	n=n+'&nb_total='+nb;
	return n
 }