var xhrRub = new XRequest("chargeRub");
var typeRub;
var selAct;
var cont = 0;

function chgRub(sel) {
 selAct = sel;
 xhrRub = new XRequest("chargeRub");
 var datas = new Array();
 datas['t'] = typeRub;
 datas['n'] = selAct.options[selAct.selectedIndex].value;
 datas['cont'] = cont;
 xhrRub.envoi("chgRub.php", datas);
}

function chargeRub(state) {
 if (state == 4) {
  eval(xhrRub.getText());
 }
}