// helper functions function rollOver() { // increments the timer and updates images if(blankSlot>5) blankSlot = 1; counter++; var localCounter = counter; if(localCounter >= numLogos) localCounter = 0; if(blankSlot == 1) { document.getElementById("ad1").innerHTML = blank; } else{ document.getElementById("ad1").innerHTML = logos[localCounter]; } localCounter++; if(localCounter >= numLogos) localCounter = 0; if(blankSlot == 2) { document.getElementById("ad2").innerHTML = blank; } else{ document.getElementById("ad2").innerHTML = logos[localCounter]; } localCounter++; if(localCounter >= numLogos) localCounter = 0; if(blankSlot == 3) { document.getElementById("ad3").innerHTML = blank; } else{ document.getElementById("ad3").innerHTML = logos[localCounter]; } localCounter++; if(localCounter >= numLogos) localCounter = 0; if(blankSlot == 4) { document.getElementById("ad4").innerHTML = blank; } else{ document.getElementById("ad4").innerHTML = logos[localCounter]; } localCounter++; if(localCounter >= numLogos) localCounter = 0; if(blankSlot == 5) { document.getElementById("ad5").innerHTML = blank; } else{ document.getElementById("ad5").innerHTML = logos[localCounter]; } localCounter++; if(localCounter >= numLogos) localCounter = 0; if(counter >= numLogos) counter = 0; blankSlot++; //alert(blankSlot); updateInterval = 3500; timeOn = setTimeout("rollOver()", updateInterval); return true; } // init variables var updateInterval = 1000; var blank = 'To advertise, click here'; var logos = new Array(100); var numLogos; var blankSlot = 1; numLogos = 16; logos[0] = 'A2Dominion Group'; logos[1] = 'Ealing Broadway BID'; logos[2] = 'Ealing Council'; logos[3] = 'Ealing Cross'; logos[4] = 'Ealing, Hammersmith & West London College'; logos[5] = 'EC Harris'; logos[6] = 'Frogmore'; logos[7] = 'Knight Frank'; logos[8] = 'Monarch Commercial'; logos[9] = 'Murrill'; logos[10] = 'National Grid'; logos[11] = 'Network Housing Group'; logos[12] = 'Redwire'; logos[13] = 'Rydon'; logos[14] = 'St George'; logos[15] = 'Thames Valley University'; while(numLogos<5) { logos[numLogos] = 'To advertise, click here'; numLogos++; } //alert(numLogos); var counter =-1; // start the ball rolling! timeOn = setTimeout("rollOver()", updateInterval);