function brainmetrix() { //4 var ranNum= Math.round(Math.random() * 4); if (ranNum == 0){document.write('

'); } // Lum01 if (ranNum == 1){document.write('

'); } // Lum02 if (ranNum == 2){document.write('

'); } // Lum03 if (ranNum == 3){document.write('

'); } // Lum04 if (ranNum == 4){document.write('

'); } // Lum05original }