adspict = new Array;
adslink = new Array;

adspict.push("240streetfighter.jpg");
adslink.push("#");

adspict.push("startrek-bluescreen.gif");
adslink.push("#");

adspict.push("mortor.gif"); 
adslink.push("#");

adspict.push("pix/Misc/Loldog.gif");
adslink.push("#");

var NumberofELEMENTS = adspict.length;
var a = Math.floor (Math.random() * NumberofELEMENTS);

var randomImage = "<a href='" + adslink[a] + "' target=_blank><img border='0' src='" + adspict[a] + "'></a>";