// e = event
function onlyNumbers(e) {
    var tecla=(window.event)?event.keyCode:e.which;
    if((tecla > 47 && tecla < 58)) return true;
    else{
        if (tecla != 8) return false;
        else return true;
    }
}

function getElement(id){
    var e = document.all ? document.all[id] : document.getElementById(id);
    return e;
}

//Marcador de links no Menu
function setMenu(element) {
        mnu = getElement(element);
        mnu.className = "menuSelected";
        return;
	}