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_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- Le champ '+nm+' doit contenir une adresse email valide.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += 'Le champ - '+nm+' est requis.\n'; }
  } if (errors) alert('Erreur(s) rencontrée(s):\n'+errors);
  document.MM_returnValue = (errors == '');
}

function popupcentre(adresse, nomFenetre, largeur, hauteur, scroll) 
  {
  
var text = nomFenetre.toString() ;
var maReg = new RegExp( "_", "gi") ;
var nom_image = nomFenetre.replace( maReg, " " ) ;

  var largeurEcran = (screen.width - largeur) / 2;
  var hauteurEcran = (screen.height - hauteur) / 2;
  w=open(adresse, nomFenetre, 'height=' + hauteur + ', width=' + largeur + ', top=' + hauteurEcran + ', left=' + largeurEcran + ', scrollbars=' + scroll + ', resizable')
   w.document.write("<HTML><head><title>"+nom_image+"</title></head>");
  w.document.write("<BODY leftMargin=0 topMargin=0 marginwidth=0 marginheight=0>");
  w.document.write("<TABLE width='100%' border='0' cellspacing='0' cellpadding='0' height='100%'><TR>");
w.document.write("<TD valign='middle' align='center'><IMG src='"+adresse+"' border=0 alt='Mon image'>"); 
w.document.write("</TD></TR></TABLE>");
w.document.write("</BODY></HTML>"); 
w.document.close();
  }