//Fonction d'affichage masquage de la balise "DIV"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_changeProp(objName,x,theProp,theValue) { //v6.0  var obj = MM_findObj(objName);  if (obj && (theProp.indexOf("style.")==-1 || obj.style)){    if (theValue == true || theValue == false)      eval("obj."+theProp+"="+theValue);    else eval("obj."+theProp+"='"+theValue+"'");  }}