function brands() { //3 var ranNum= Math.round(Math.random() * 3); if (ranNum == 0){document.write('

See our complete selection of
HVAC brands here.

'); } // logo1 if (ranNum == 1){document.write('

See our complete selection of
HVAC brands here.

'); } // logo2 if (ranNum == 2){document.write('

See our complete selection of
HVAC brands here.

'); } // logo3 if (ranNum == 3){document.write('

See our complete selection of
HVAC brands here.

'); } // logo4 }