var num=Math.floor(Math.random()*4); if(num==0) { var pub = unescape(' '); document.write(pub); } else if(num==1) { var pub = unescape(''); document.write(pub); } else if(num==2) { var pub = unescape(''); document.write(pub); } else if(num==3) { var pub = unescape(''); document.write(pub); }