menuOff = new Array(5);
menuOn = new Array(5);

function init(){
        for (i=0;i<6;i++){
                menuOff[i] = new Image;
                menuOff[i].src = "menu/" + i + "off.png";
                menuOn[i] = new Image;
                menuOn[i].src = "menu/" + i + "on.png";
        }
}

var act = 1;
next = null;


function select(next){
         document["menu" + act].src = "menu/" + act + "off.png";
         document["menu" + next].src = "menu/" + next + "on.png";
         	   act = next;
}

function swapImg(next){
        if (act != next){
                document["menu" + next].src = "menu/" + next + "hi.png";
        }
}

function restoreImg(next){
        if (act != next){
                document["menu" + next].src = "menu/" + next + "off.png";
        }
}