function init(e) {
	img = document.getElementById('xsense');	
	addEvent(img, 'mouseup', swapImage, false);	
}

addEvent(window, 'load', init, false);

      
function swapImage(e) {
	img = getTarget(e);	
	if(!img) return;
	img.toggle = !img.toggle;
	
	bild1 = "files/xsense_prod.jpg";
	bild2 = "files/xsense_prod2.jpg";
	
	if(img.toggle) {
		img.src = bild2;
	}
	else {
		img.src = bild1;
	}	
}