function changeBGImage(w) {
	now = new Date();
	imgOn =  newImage = "url(images/stick.gif?" + now.getTime() + ")";
	whichImage = "link" + w;
	if (document.getElementById) {
		document.getElementById(whichImage).style.backgroundImage = imgOn;
		}
	else if (document.all) {
		document.all(whichImage).style.backgroundImage = imgOn;
		}
	else if (document.layers) {
		document.layers(whichImage).style.backgroundImage = imgOn;
		}
	}

function changeBGImage2(w) {
	now = new Date();
	imgOff =  newImage = "url(images/stick2.gif?" + now.getTime() + ")";
	whichImage = "link" + w;
	if (document.getElementById) {
		document.getElementById(whichImage).style.backgroundImage = imgOff;
		}
	else if (document.all) {
		document.all(whichImage).style.backgroundImage = imgOff;
		}
	else if (document.layers) {
		document.layers(whichImage).style.backgroundImage = imgOff;
		}
	}