if (document.images){
   agence_of = new Image;agence_of.src = "image/agence_of.gif";
   agence_on = new Image;agence_on.src = "image/agence_on.gif";
   contact_of = new Image;contact_of.src = "image/contact_of.gif";
   contact_on = new Image;contact_on.src = "image/contact_on.gif";
   references_of = new Image;references_of.src = "image/references_of.gif";
   references_on = new Image;references_on.src = "image/references_on.gif";
   conseil_of = new Image;conseil_of.src = "image/conseil_of.gif";
   conseil_on = new Image;conseil_on.src = "image/conseil_on.gif";
   grahique_of = new Image;grahique_of.src = "image/grahique_of.gif";
   grahique_on = new Image;grahique_on.src = "image/grahique_on.gif";
   pointvente_of = new Image;pointvente_of.src = "image/pointvente_of.gif";
   pointvente_on = new Image;pointvente_on.src = "image/pointvente_on.gif";

}
function roll(id,name){
  if (document.images) {document.images[id].src=eval(name+".src"); }
}
function Ouvrir(url){
direction=url+".html";
x=(screen.width-380)/2
y=(screen.height-600)/2
fen=window.open(direction,'fen_a','top='+y+',left='+x+',screenX='+x+',screenY='+y+',height=550,width=300,menubar=0,resizable=0,scrollbars=0,status=0,titlebar=0,toolbar=0')
fen.focus();
}


function roll(id,name){
  if (document.images) {document.images[id].src=eval(name+".src"); }
}
function Ouvrir1(url){
direction=url+".html";
x=(screen.width-380)/2
y=(screen.height-600)/2
fen=window.open(direction,'fen_a','top='+y+',left='+x+',screenX='+x+',screenY='+y+',height=130,width=200,menubar=0,resizable=0,scrollbars=0,status=0,titlebar=0,toolbar=0')
fen.focus();
}

function roll(id,name){
  if (document.images) {document.images[id].src=eval(name+".src"); }
}
function Ouvrir2(url){
direction=url+".html";
x=(screen.width-380)/2
y=(screen.height-600)/2
fen=window.open(direction,'fen_a','top='+y+',left='+x+',screenX='+x+',screenY='+y+',height=490,width=300,menubar=0,resizable=0,scrollbars=0,status=0,titlebar=0,toolbar=0')
fen.focus();
}