var hover=0;
function showStage(stage,manual) {
	hover=manual;
	if(manual) current=0;
	for (i=1;i<4;i++) {
		document.getElementById('stageLink'+i).className='';
	}

	switch (stage) {
		case 0:
			newImage = 'url(images/new/option-0-pic.png)';
		break;
		
		case 1:
			newImage = 'url(images/new/option-1-pic.png)';
		break;
		
		case 2:
			newImage = 'url(images/new/option-2-pic.png)';
		break;
		
		case 3:
			newImage = 'url(images/new/option-3-pic.png)';
		break;
		
	}
	document.getElementById('stageDetails').style.backgroundImage = newImage;

} 

var t;
var current=0;
function rotateStages() {
	if(!hover) {
		current++;
		if(current > 3) current =0
		showStage(current);
		if(current>0) document.getElementById('stageLink'+current).className='current';
	}
	t = setTimeout("rotateStages()",5000);
}