var i = 1
	images = new Array
	images[1] = "images/digital/01.jpg"
	images[2] = "images/digital/02.jpg"
	images[3] = "images/digital/03.jpg"
	images[4] = "images/digital/04.jpg"
	images[5] = "images/digital/05.jpg"
	images[6] = "images/digital/06.jpg"
	images[7] = "images/digital/07.jpg"
	images[8] = "images/digital/08.jpg"
	images[9] = "images/digital/09.jpg"
	images[10] = "images/digital/10.jpg"
	

	
track = new Array
	track[1] = "images/interface/track1.gif"
	track[2] = "images/interface/track2.gif"
	track[3] = "images/interface/track3.gif"
	track[4] = "images/interface/track4.gif"
	track[5] = "images/interface/track5.gif"
	track[6] = "images/interface/track6.gif"
	track[7] = "images/interface/track7.gif"
	track[8] = "images/interface/track8.gif"
	track[9] = "images/interface/track9.gif"
	track[10] = "images/interface/track10.gif"
	

	
function imageSwap(){
	if (i == 1){
	    document.display.src = images[1];
	    document.track.src = track[1];
		}
}
function back(){
	if (i != 1) {
		i --
		document.display.src = images[i];
	    	document.track.src = track[i];
		}
}

function next(){
	if (i != 10) {
		i ++
		image = images[i]
		document.display.src = image
	    	document.track.src = track[i];
		}
}

function setNum(num){
	i = num
	document.display.src = images[i];
	document.track.src = track[i];
}