function searchclass(obj)
{
	switch(obj.id)
	{
		case "gongying": {
			document.getElementById('searbtn').value = "供应信息";
//			document.getElementById('hotkey').innerHTML = "毛泽东 超女";
			document.getElementById('slevalue').name = "isgq";
			document.getElementById('slevalue').value = "供应";
			for(var i=0;i<obj.parentNode.childNodes.length;i++){
				// Firefox puts in lots of #text nodes...skip these
				if(obj.parentNode.childNodes[i].nodeName=='#text') continue;
				obj.parentNode.childNodes[i].className = "";
				if(obj.parentNode.childNodes[i].innerHTML.indexOf("<A>")!=-1){
					obj.parentNode.childNodes[i].innerHTML = "<A href=\"javascript:\">"+obj.parentNode.childNodes[i].innerHTML.replace("<A>","").replace("</A>","")+"</A>";
				}
			}
			obj.className = "tab";
			obj.innerHTML = "<a>供应信息</a>";
			break;
		}
		case "qiugou": {
			document.getElementById('searbtn').value = "求购信息";
//			document.getElementById('hotkey').innerHTML = "纪实 摄影";
			document.getElementById('slevalue').name = "isgq";
			document.getElementById('slevalue').value = "求购";
		
			for(var i=0;i<obj.parentNode.childNodes.length;i++){
				// Firefox puts in lots of #text nodes...skip these
				if(obj.parentNode.childNodes[i].nodeName=='#text') continue;
				obj.parentNode.childNodes[i].className = "";
				if(obj.parentNode.childNodes[i].innerHTML.indexOf("<A>")!=-1){
					obj.parentNode.childNodes[i].innerHTML = "<A href=\"javascript:\">"+obj.parentNode.childNodes[i].innerHTML.replace("<A>","").replace("</A>","")+"</A>";
				}
			}
			obj.className = "tab";
			obj.innerHTML = "<a>求购信息</a>";
			break;
		}
		case "suoyou": {
			document.getElementById('searbtn').value = "所有信息";
//			document.getElementById('hotkey').innerHTML = "BT 搞笑";
			document.getElementById('slevalue').name = "isgq";
			document.getElementById('slevalue').value = "";
		
			for(var i=0;i<obj.parentNode.childNodes.length;i++){
				// Firefox puts in lots of #text nodes...skip these
				if(obj.parentNode.childNodes[i].nodeName=='#text') continue;
				obj.parentNode.childNodes[i].className = "";
				if(obj.parentNode.childNodes[i].innerHTML.indexOf("<A>")!=-1){
					obj.parentNode.childNodes[i].innerHTML = "<A href=\"javascript:\">"+obj.parentNode.childNodes[i].innerHTML.replace("<A>","").replace("</A>","")+"</A>";
				}
			}
			obj.className = "tab";
			obj.innerHTML = "<a>所有信息</a>";
			break;
		}
	}
}