function open_image_hover(id) {
	var obj = document.getElementById(id);
	obj.style.position = 'absolute';
	obj.style.zIndex = 99;
	obj.style.display = 'none';
	obj.style.bottom = '0px';
	if ( obj ) {
		obj.style.display = 'inline';
	}
}

function close_image_hover(id) {
	var obj = document.getElementById(id);
	if ( obj ) {
		obj.style.display = 'none';
	}
}