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);
	}
}

var data1 = [
	{id:1, name:"trade_keyword",surl:"http://www.tybaba.com/myjh/search.asp?trade_type=%B9%A9%D3%A6" ,title:"请输入产品关键词"},
	{id:2, name:"trade_keyword",surl:"http://www.tybaba.com/myjh/search.asp?trade_type=%C7%F3%B9%BA" ,title:"请输入产品关键词"},
	{id:3, name:"company_keyword",surl:"http://www.tybaba.com/qyk/company_list.asp" ,title:"请输入公司关键词"},
	{id:4, name:"key", 	surl:"http://www.tybaba.com/picture/search.asp" ,	title:"请输入产品关键词"},
	{id:5, name:"keyword",surl:"http://www.tybaba.com/price/index.asp" ,title:"请输入产品关键词"},
	];
var searchActivedItem = 1;
function searchInit(num){
	doclick(document.getElementById("menu" + num), num);
}
function doclick(srcObj,searchID){
	var tabList = srcObj.parentNode.getElementsByTagName("li");
	if(srcObj.className == "a1")return;
	for(var i = 0; i < tabList.length; i++){
		tabList[i].className = "a2";
		if (i==tabList.length-1){tabList[i].className = "a3";}
	}
	if (searchID>1){tabList[searchID-2].className="a3"}
	srcObj.className = "a1"
	searchActivedItem = searchID;
	var v = searchform.searchKey.value;
	if(trim(v) == "" || v.substring(0,3) == "请输入")
	searchform.searchKey.value =data1[searchID-1].title;
	
}
function checkform(){
	var v = trim(searchform.searchKey.value);
	if(v.length > 100){
		alert("您输入的关键字过长！");
		return false;
	}
	if(v == ""  || v.substring(0,3) == "请输入") {
		alert("请输入关键字！");
		return false;
	}
	var s = "&";
	if((data1[searchActivedItem-1].surl).indexOf("?") == -1) s = "?";
	
	//给form的action付值
	searchform.action = data1[searchActivedItem - 1].surl + s + 
	data1[searchActivedItem - 1].name+"="+ UrlEncode(searchform.searchKey.value);
	return true;
}
/* 函数说明：去除头尾空格 */
function trim(inputString) {
	return inputString.replace(/^ +/,"").replace(/ +$/,"");
}

function goto1(th){
if ((th.key1.value=='')||(th.key1.value=='关键词')){ alert('关键词不能为空！');return false;}
 var sTypes;
if (document.forms1.type1[0].checked){sTypes=1};
if (document.forms1.type1[1].checked){sTypes=2};
if (document.forms1.type1[2].checked){sTypes=3};
if (document.forms1.type1[3].checked){sTypes=4};
if (document.forms1.type1[4].checked){sTypes=5};

 switch(sTypes)
    {
        case 1:
		forms1.action='/myjh/search.asp?trade_keyword='+th.key1.value+'&trade_type=供应';
		return true;
		break
        case 2:
		forms1.action='/myjh/search.asp?trade_keyword='+th.key1.value+'&trade_type=求购';
		return true;
		break
        case 3:
		forms1.action='/myjh/search.asp?trade_keyword='+th.key1.value+'&trade_type=代理';
		return true;
		break
        case 4:
		forms1.action='/myjh/search.asp?trade_keyword='+th.key1.value+'&trade_type=合作';
		return true;
		break
        case 5:
		forms1.action='/price/index.asp?keyword='+th.key1.value;
		return true;
		break
		default:
		forms1.action='/myjh/search.asp?trade_keyword='+th.key1.value+'&trade_type=供应'
		return true;
    }

}