<!--
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr;
for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function
MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p)
d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new
Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var
p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}

if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++)
x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++)
x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById)
x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var
i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array;
for(i=0;i<(a.length-2);i+=3)
   if
((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc)
x.oSrc=x.src; x.src=a[i+2];}
}
//-->


function champ_txt_vide(str){
    for (var i = 0; i < str.length; i++){
        var c = str.charAt(i);
        if ((c != ' ') && (c != '\n') && (c != ''))
            return false;
    }
    return true;
}

function valider(f){
    var champ_vide = '';
    for (var i= 0; i < f.length; i++){
        var e = f.elements[i];
        if ((e.type == 'text') && (!e.facultatif)){
            if((e.value == null) || (e.value=="") || champ_txt_vide(e.value))
                    champ_vide += "\n" + e.name;
        }
    }
    if (!champ_vide)
        return true;
    else {
        champ_vide = 'champs obligatoires :' + champ_vide;
        alert(champ_vide);
        return false;
    }    
}