var old_search_default;
function search_show(n){
	for(var i=1;i<=17;i+=2){
		if( i == n ){
			GetObj("qt_"+i).className = "stag";
			GetObj("qt_"+(i-1)).style.display = "none";
			GetObj("qt_"+(i+1)).style.display = "none";
			if( n != 1 ) GetObj("qt_0").style.display = "";
		}else{
			//document.write("qt_"+(i+1)+";")
			GetObj("qt_"+i).className = "stag1";
			GetObj("qt_"+(i+1)).style.display = "";
		}
	}
	switch(n){
		case 1:
			search_txt = "网页搜索";
			search_action = "http://so.lmjx.net/web.asp";
			search_key = "路面机械";
			search_defaultvalue = "";
			search_sub = "k";
			break;
		case 3:
			search_txt = "新闻搜索";
			search_action = "http://so.lmjx.net/n.asp";
			search_key = "中联,三一,徐工";
			search_defaultvalue = "";
			search_sub = "k";
			break;
		case 5:
			search_txt = "企业搜索";
			search_action = "http://so.lmjx.net/qy.asp";
			search_key = "摊铺机,发动机,液压";
			search_defaultvalue = "";
			search_sub = "k";
			break;
		case 7:
			search_txt = "整机搜索";
			search_action = "http://so.lmjx.net/zj.asp";
			search_key = "美通,住友,搅拌站";
			search_defaultvalue = "可以搜索品牌或产品名称，如住友，摊铺机";
			search_sub = "k";
			break;
		case 9:
			search_txt = "租赁搜索";
			search_action = "http://so.lmjx.net/zl.asp";
			search_key = "摊铺机,压路机,挖掘机";
			search_defaultvalue = "";
			search_sub = "k";
			break;
		case 11:
			search_txt = "配件搜索";
			search_action = "http://so.lmjx.net/pj.asp";
			search_key = "摊铺机,发动机,液压";
			search_defaultvalue = "";
			search_sub = "k";
			break;
		case 13:
			search_txt = "维修搜索";
			search_action = "http://so.lmjx.net/wx.asp";
			search_key = "摊铺机,发动机,液压";
			search_defaultvalue = "";
			search_sub = "k";
			break;
		case 15:
			search_txt = "供求搜索";
			search_action = "http://so.lmjx.net/gq.asp";
			search_key = "摊铺机,发动机,液压";
			search_defaultvalue = "";
			search_sub = "k";
			break;
		case 17:
			search_txt = "二手搜索";
			search_action = "http://so.lmjx.net/es.asp";
			search_key = "摊铺机,发动机,液压";
			search_defaultvalue = "";
			search_sub = "k";
			break;
		case 20:
			search_txt = "论文搜索";
			search_action = "http://so.lmjx.net/lw.asp";
			search_key = "摊铺机,发动机,液压";
			search_defaultvalue = "";
			search_sub = "k";
			break;
	}
	GetObj("search_fm").action = search_action;//提交网址
	GetObj("k").name = "k";
	GetObj("k").defaultValue = search_defaultvalue;//默认关键字
	GetObj("search_btn").value = search_txt;	//按钮赋值
	if( old_search_default == GetObj("k").value )
	{
		GetObj("k").value = search_defaultvalue;
	}
	else
	{
		if( search_defaultvalue && !GetObj("k").value ) GetObj("k").value = search_defaultvalue;
	}
	old_search_default = search_defaultvalue;
//热门关键字赋值
	tmp = "";
	var search_more = search_key.split(",");
	var search_str = "";
	for (var i=0; i<search_more.length; i++) {
		if (search_more[i].length>0) {			
				tmp += search_more[i];
				if( tmp.length > 17 ) break;
				search_str += "<a href=" + search_action + "?"+search_sub+"=" + search_more[i] + " target=_blank>" + search_more[i] + "</a> ";
		}
	}
	GetObj('more_k').innerHTML = search_str;
}

function check_fm(){
	var obj = GetObj("k");
	if( obj.value == obj.defaultValue ){
		obj.value = "";
	}	
}
function GetObj(objName){
	if(document.getElementById){
		return eval('document.getElementById("' + objName + '")');
	}else if(document.layers){
		return eval("document.layers['" + objName +"']");
	}else{
		return eval('document.all.' + objName);
	}
}

function moreitem(inputname,listnum,ichannelid,inputype){
    var chedkurl = '../inc/solist.asp';
    var CheckDOM = new ActiveXObject("Microsoft.XMLDOM");
    CheckDOM.async=false;
    var p = CheckDOM.createProcessingInstruction('xml','version=\"1.0\" encoding=\"gb2312\"'); 
    CheckDOM.appendChild(p); 
    var CheckRoot = CheckDOM.createElement('root');
    var CField = CheckDOM.createNode(1,'text',''); 
    CField.text = $F(inputname);
    CheckRoot.appendChild(CField);
    CField = CheckDOM.createNode(1,'lnum',''); 
    CField.text = listnum;
    CheckRoot.appendChild(CField);
    CField = CheckDOM.createNode(1,'channelid',''); 
    CField.text = ichannelid;
    CheckRoot.appendChild(CField);
    CField = CheckDOM.createNode(1,'type',''); 
    CField.text = inputype;
    CheckRoot.appendChild(CField);
    CField = CheckDOM.createNode(1,'inputname',''); 
    CField.text = inputname;
    CheckRoot.appendChild(CField);
    CheckDOM.appendChild(CheckRoot);
    var CHttp = getHTTPObject();
    CHttp.open('POST',chedkurl,true);
    CHttp.onreadystatechange = function () 
    {
        if(CHttp.readyState == 4 && CHttp.status==200){
            if(CHttp.responseText == ''){
                Element.hide(inputype);
            }else{
                Element.show(inputype);
                $(inputype).innerHTML=CHttp.responseText;
            }
        }
    }
    CHttp.send(CheckDOM);
}
function addinput(iname,ivalue){
  if(iname!='' && ivalue!=''){
     $(iname).value=ivalue;
  }
}

//***************************
// xmlHTTPinit
//***************************
function getHTTPObject(){
    var xmlhttp_request = false;
    try{
        if( window.ActiveXObject ){
            for( var i = 5; i; i-- ){
                try{
                    if( i == 2 ){
                        xmlhttp_request = new ActiveXObject( "Microsoft.XMLHTTP" );
                    }else{
                        xmlhttp_request = new ActiveXObject( "Msxml2.XMLHTTP." + i + ".0" );
                        xmlhttp_request.setRequestHeader("Content-Type","text/xml");
                        xmlhttp_request.setRequestHeader("Content-Type","gb2312");
                    }
                    break;
                }catch(e){
                    xmlhttp_request = false;
                }
            }
        }else if( window.XMLHttpRequest ){
            xmlhttp_request = new XMLHttpRequest();
            if (xmlhttp_request.overrideMimeType) {
                xmlhttp_request.overrideMimeType('text/xml');
            }
        }
    }catch(e){
        xmlhttp_request = false;
    }
    return xmlhttp_request ;
}