var srub_off = new Array();
var srub_on = new Array();
var nombre;
var rubrique;
		
function preload_srub() {
	for(i = 1; i < nombre; i++) {
		srub_off[i]  = new Image(); srub_off[i].src  = "img/srub" + rubrique +"_"+ i + "_f.gif";
		srub_on[i]  = new Image(); srub_on[i].src  = "img/srub" + rubrique +"_"+ i + "_o.gif";
	}
}

function over_srub(i){
	document.images['srub' + i].src = srub_on[i].src;
}

function out_srub(i){
	document.images['srub' + i].src = srub_off[i].src;
}