var sc = 9;
    var s = new Array(sc);
    
    s[0] = "<img src=\"pencils.gif\">";
    s[1] = "<img src=\"brush.gif\">";
    s[2] = "<img src=\"tools.gif\">";
    s[3] = "<img src=\"pencils.gif\">";
    s[4] = "<img src=\"brush.gif\">";
    s[5] = "<img src=\"tools.gif\">";
    s[6] = "<img src=\"pencils.gif\">";
    s[7] = "<img src=\"brush.gif\">";
    s[8] = "<img src=\"tools.gif\">";
        

    function pickRandom(range) {
        	return Math.round(Math.random() * (range-1));
           }