function hover(obj, type, kill)
{
	var tmp = obj.firstChild.src;
	if(kill){
		obj.firstChild.src = tmp.replace(/-ovr/, '');
	} else {
		switch(type){
			case 'j':
				obj.firstChild.src = tmp.replace(/.jpg/, '-ovr.jpg');
				break;
			case 'p':
				obj.firstChild.src = tmp.replace(/.png/, '-ovr.png');
				break;
			case 'g':
				obj.firstChild.src = tmp.replace(/.gif/, '-ovr.gif');
				break;
			default:
				break;
		}
	}
}