var h = new Array();
var l = new Array();
var x = new Array();
var img = new Array();
    
function preload() {
    var i = 0;
    for (i = 0; i < 8; i++) {
        h[i] = new Image();
        h[i].src = "art/main/" + i + "_h.gif";
        l[i] = new Image();
        l[i].src = "art/main/" + i + "_l.gif";
        x[i] = new Image();
        x[i].src = "art/main/" + i + "_x.gif";
    }
    img[0] = h;
    img[1] = l;
    img[2] = x;
}

function swap(name,state,pic) {
    document.images[name].src=img[state][pic].src;
}