//Javascript Document
//<![CDATA[
$=function(id){
	return document.getElementById(id);
}
function show(obj){
	objDis = $(obj).style.display;
	var altText="";
	var picName="";
	if (objDis=="" || objDis=="block"){
		$(obj).style.display = "none";
		altText="Õ¹¿ª";
		picName="max";
	}else{
		$(obj).style.display = "block";
		altText="ÊÕËõ";
		picName="min";
	}
	$(obj).parentNode.getElementsByTagName("div")[0].getElementsByTagName("span")[0].innerHTML="<img src=\"image/left_icon_" + picName +".gif\" width=\"15\" height=\"9\" alt=\""+ altText +"\" onclick=\"show('"+ obj +"')\" />"
}
//]]>