PHP Code:
function onCreated() {
this.coords = {{level 1 coords},{level2 coords}, {level 3 coords}};
this.levels = {level1,level2,level3};
this.rand = int(random(0,3));
setlevel2 this.levels[this.rand],this.coords[this.rand][0],this.coords[this.rand][1];
}