function showHide(obj){	
	if(document.getElementById(obj).style.display=="none"){
		document.getElementById(obj).style.display="block";
	}
	else{
		document.getElementById(obj).style.display="none";
	}
}
function exitsDiv(divid){
	var chkid=document.getElementById(divid);
	if(chkid != null){return true; }
	else {return false; }
}
function unfold(){
	for(i=0;i<30;i++){
		var s=(i<10?("0"+i):(i+""));
		if(exitsDiv("d"+s)){
			document.getElementById("d"+s).style.display="none";
		}
	}
	document.getElementById("trigFold").innerHTML='<a href="javascript:foldAll()"><img src="../img/s.gif" alt="全部展开" border="0" align="absmiddle"></a>'
	
}
function foldAll(){
	for(i=0;i<30;i++){
		var s=(i<10?("0"+i):(i+""));
		if(exitsDiv("d"+s)){
			document.getElementById("d"+s).style.display="block";
		}
	}
	document.getElementById("trigFold").innerHTML='<a href="javascript:unfold()"><img src=".../img/k.gif" alt="全部折叠" border="0" align="absmiddle"></a>'
}




function showsubmenu(sid)
{
whichEl = eval("submenu" + sid);
imgmenu = eval("imgmenu" + sid);
//signimg = eval("signimg"+sid);
if (whichEl.style.display == "none")
{
eval("submenu" + sid + ".style.display=\"\";");
imgmenu.background="../img/forum_d_14.gif";
//signimg.src="../img/k.gif";
}
else
{
eval("submenu" + sid + ".style.display=\"none\";");
imgmenu.background="../img/forum_d_17.gif";
//signimg.src="../img/s.gif";
}
}