a1=new Image() ; 
a2=new Image() ; 
a3=new Image() ; 
a4=new Image() ; 
a1on=new Image() ; 
a2on=new Image() ; 
a3on=new Image() ; 
a4on=new Image() ; 

function init(ll)
{
	a1.src='img/survol/a1' + ll + '.gif';
	a2.src='img/survol/a2' + ll + '.gif';
	a3.src='img/survol/a3' + ll + '.gif';
	a4.src='img/survol/a4' + ll + '.gif';
	a1on.src='img/survol/a1on' + ll + '.gif';
	a2on.src='img/survol/a2on' + ll + '.gif';
	a3on.src='img/survol/a3on' + ll + '.gif';
	a4on.src='img/survol/a4on' + ll + '.gif';
}

function action(nom, langue) {
	chemin="img/survol/" + nom + "on" + langue +".gif";
	document.images[nom].src=chemin;
}
function inaction(nom, langue) {
	chemin="img/survol/" + nom + langue +".gif";
	document.images[nom].src=chemin;
}

function MM_goToURL() {
  for (var i=0; i< (MM_goToURL.arguments.length - 1); i+=2) //with arg pairs
    eval(MM_goToURL.arguments[i]+".location='"+MM_goToURL.arguments[i+1]+"'");
  document.MM_returnValue = false;
}

function ValidForm (strPage, ll)
{
	document.form0.action = strPage;
	document.form0.Langue.value = ll;
	document.form0.submit();
}