function changeHeight(id,name) {
	document.getElementById(id).height = 0 + "px" ;
	if (document.height) {
		document.getElementById(id).height = top.frames[name].document.height + 20 + "px" ;
	} else {
		document.getElementById(id).height = top.id.document.body.scrollHeight + 20 + "px" ;
	}
}