var iOn = new Array()
var iOff = new Array()

for (var i=0; i < 1; i++) {
 iOn[i] = new Image()
 iOff[i] = new Image()
} 


iOn[0].src = '/images/musicIcon2.gif'
iOff[0].src = '/images/musicIcon.gif'


// set the icon on
function setIconOn(iNum, index) {
  if (isIE) { document.images['i'+ iNum].src = iOn[index].src; }
}

// set the icon off
function setIconOff(iNum, index) {
  if (isIE) { document.images['i'+ iNum].src = iOff[index].src; }
}