function hidden_more(objname){
	var obj=document.getElementById(objname);
	var ls=obj.childNodes.length;
	if(ls > 24){
		for(i=24;i<ls;i++){
			obj.childNodes[i].style.display='none';
		}
		document.getElementById(objname+'_o').innerHTML="<a href='javascript:void(0);' onclick='show_more(\""+objname+"\")'>显示全部</a>";
	}
}

function show_more(objname){
	var obj=document.getElementById(objname);
	var ls=obj.childNodes.length;
	for(i=0;i<ls;i++){
		obj.childNodes[i].style.display='block';
	}
	document.getElementById(objname+'_o').innerHTML="<a href='javascript:void(0);' onclick='hidden_more(\""+objname+"\")'>精简显示</a>";
}

function topformchange() {
	switch(document.topform.op.selectedIndex){
		case 0:
			document.topform.action="jingqu.php?action=list&op=search";
			document.getElementById('fenleiid').style.display='';
			document.getElementById('pro_fenleiid').style.display='none';
			document.topform.keyword.style.width='100px';
			break;
		case 1:
			document.topform.action="fuwu.php";
			document.getElementById('fenleiid').style.display='none';
			document.getElementById('pro_fenleiid').style.display='';
			document.topform.keyword.style.width='100px';
			break;
		case 2:
			document.topform.action="zutuan.php";
			document.getElementById('fenleiid').style.display='none';
			document.getElementById('pro_fenleiid').style.display='none';
			document.topform.keyword.style.width='200px';
			break;
		case 3:
			document.topform.action="/upload/search.php";
			document.getElementById('fenleiid').style.display='none';
			document.getElementById('pro_fenleiid').style.display='none';
			document.topform.keyword.style.width='200px';
			break;
		case 4:
			document.topform.action="search.php";
			document.getElementById('fenleiid').style.display='none';
			document.getElementById('pro_fenleiid').style.display='none';
			document.topform.keyword.style.width='200px';
			break;
		default:
			document.topform.action="search.php";
	}
}
function topformchanges() {
	switch(document.topform.op.selectedIndex){
		case 0:
			document.topform.action="jingqu.php?action=list&op=search";
			//document.getElementById('fenleiid').style.display='';
			//document.getElementById('pro_fenleiid').style.display='none';
			//document.topform.keyword.style.width='100px';
			showsid.innerHTML=sids;
			break;
		case 1:
			document.topform.action="fuwu.php";
			//document.getElementById('fenleiid').style.display='none';
			//document.getElementById('pro_fenleiid').style.display='';
			//document.topform.keyword.style.width='100px';
			showsid.innerHTML=pids;
			break;
		case 2:
			document.topform.action="zutuan.php";
			//document.getElementById('fenleiid').style.display='none';
			//document.getElementById('pro_fenleiid').style.display='none';
			document.topform.keyword.style.width='200px';
			showsid.innerHTML="";
			break;
		case 3:
			document.topform.action="/upload/search.php";
			//document.getElementById('fenleiid').style.display='none';
			//document.getElementById('pro_fenleiid').style.display='none';
			document.topform.keyword.style.width='200px';
			showsid.innerHTML="";
			break;
		case 4:
			document.topform.action="search.php";
			//document.getElementById('fenleiid').style.display='none';
			//document.getElementById('pro_fenleiid').style.display='none';
			document.topform.keyword.style.width='200px';
			showsid.innerHTML="";
			break;
		default:
			document.topform.action="search.php";
	}
}
function submitsid()
						{
						 switch(document.topform.op.selectedIndex){
		                   case 0:
						   document.topform.sid.value=document.topform.fid.value;
						   break;
						   case 1:
						   document.topform.sid.value=document.topform.pid.value;
						   break;
						   default:
						   document.topform.sid.value=0;
						   }
						}
function activemenu(objname){
	var obj=document.getElementById(objname);
	for(i=0;i<obj.childNodes.length;i++){
		if(obj.childNodes[i].childNodes[0].tagName=='A'){
			if(window.location.href.indexOf(obj.childNodes[i].childNodes[0].href)>-1){
				obj.childNodes[i].className='active';
			}
		}
	}
}

function showhidden(objname){
	var obj=document.getElementById(objname);
	obj.style.display=='none'?obj.style.display='block':obj.style.display='none';
}