function h(obj,url){obj.style.behavior='url(#default#homepage)';obj.setHomePage(url);}
//清空两侧空格函数
function getTrimStr(str){
  var strTmp;
  var i;
  if ((str=="")||(str==null))
    return "";
  for(i = 0 ; i<str.length && str.charAt(i)==" " ; i++ );
  strTmp = str.substring(i,str.length);
  
  for(var i = strTmp.length - 1; i > 0 && strTmp.charAt(i)==" "; i--);
  strTmp = strTmp.substring(0,i+1);
  
  return strTmp;
}
//校验
function chk(v)
{ 	
    var temp=getTrimStr(v.value);//搜索关键字
    temp = temp.replace(/\s+|\s+$/g,"");    
    var t = document.getElementById("sl").value;//搜索类别 1-IC库存,2-IC采购,3-非IC供应等
	if(strCheckLength(temp) > 100){
	    alert("您输入的关键字过长！");
	    return false;
	}
	if(temp.substring(0,3) =="请输入") {
	    alert("请输入关键字！");
	    return false;
	}
	if(temp == "") {
	    alert("不能为空，请输入关键字！");
	    return false;
	}
	if(strCheckLength(temp) < 4) {
	   //当不足四个字符时记录日志操作
	   checkSearchWord(t,temp);	   
	    alert("搜索的内容必须大于三个英文字母或两个汉字以上！");
	    return false;
	}
	if(temp.indexOf("%")> -1 || temp.indexOf("'")> -1 || temp.indexOf(" ")> -1) {	
	    alert("型号关键字不能含有以下特殊字符或空格【%'/】");
	    return false;
	}

	if(t == "1")//库存
	{   
	    if(document.getElementById("sType").checked == true)
	        location.href="http://www.chipbid.com/BriefnessSearch_"+temp+".aspx";
	    else
	        location.href="http://www.chipbid.com/IcbuySearchs_"+temp+".aspx";
	}
	else if(t == "2")//求购
	{location.href="http://www.chipbid.com/seller/icsalesearch/"+temp+".aspx";}
	else if(t == "3")//非iC类供应
	{location.href="http://info.chipbid.com/supply/"+temp+".aspx";}
	else if(t == "4")//非iC类采购
	{location.href="http://info.chipbid.com/demand/"+temp+".aspx";}
	else if(t == "5")
	{location.href="http://datum.chipbid.com/datumproduct/"+temp+".aspx";}
	else if(t == "6")//热卖信息
	{location.href="http://www.chipbid.com/buyer/hotsell/"+temp+".aspx";}

	checkSearchWord(t,temp);//记录搜索关键字
}

function strCheckLength(strTemp)
{
	var i,sum;
	sum=0;
	for(i=0;i<strTemp.length;i++)
	{
	    if ((strTemp.charCodeAt(i)>=0) && (strTemp.charCodeAt(i)<=255))
	        sum=sum+1;
	    else
	        sum=sum+2;
	}
	return sum;
} 

//搜索类别切换
function thisgoto(obj,searchID){
    var searchActivedItem = searchID;
    changeSearchWindow(searchActivedItem);
}


function changeSearchWindow(tempID)
{
    var partno=document.getElementById("tb_Partno").value;
    if(tempID==1)
    {
	    document.getElementById("no1").innerHTML="供应信息";
	    document.getElementById("no2").innerHTML="<a href=\"javascript:void fNoUrl();\">求购信息</a>";
	    document.getElementById("no3").innerHTML="<a href=\"javascript:void fNoUrl();\">公司信息</a>";	
	    document.getElementById("no4").innerHTML="<a href=\"javascript:void fNoUrl();\">IC替换</a>";	
	    document.getElementById("no5").innerHTML="<a href=\"javascript:void fNoUrl();\">IC报价</a>";
	    document.getElementById("sl").value="1";
		document.forms["instockform"].action = "../search.asp" ;
	    if(partno=null || partno=="" || partno.indexOf('请输入') != -1){
	        document.getElementById("tb_Partno").value="请输入供应IC型号（如：AD620AR）";
	    }
    }
    else if(tempID==2)
    {
	    document.getElementById("no1").innerHTML="<a href=\"javascript:void fNoUrl();\">供应信息</a>";
	    document.getElementById("no2").innerHTML="求购信息";
	    document.getElementById("no3").innerHTML="<a href=\"javascript:void fNoUrl();\">公司信息</a>";	
	    document.getElementById("no4").innerHTML="<a href=\"javascript:void fNoUrl();\">IC替换</a>";	
	    document.getElementById("no5").innerHTML="<a href=\"javascript:void fNoUrl();\">IC报价</a>";

	    document.getElementById("sl").value="2";
		document.forms["instockform"].action = "../searchbuy.asp" ;
	    if(partno=null || partno=="" || partno.indexOf('请输入') != -1){
	        document.getElementById("tb_Partno").value="请输入求购IC型号（如：AD620AR）";
	    }
    }
    else if(tempID==3)
    {
	    document.getElementById("no1").innerHTML="<a href=\"javascript:void fNoUrl();\">供应信息</a>";
	    document.getElementById("no2").innerHTML="<a href=\"javascript:void fNoUrl();\">求购信息</a>";
	    document.getElementById("no3").innerHTML="公司信息";	
	    document.getElementById("no4").innerHTML="<a href=\"javascript:void fNoUrl();\">IC替换</a>";	
	    document.getElementById("no5").innerHTML="<a href=\"javascript:void fNoUrl();\">IC报价</a>";

        document.getElementById("sl").value="3";
		document.forms["instockform"].action = "../company.asp" ;
        if(partno=null || partno=="" || partno.indexOf('请输入') != -1){
	        document.getElementById("tb_Partno").value="请输入公司关键词";
	    }
    }
    else if(tempID==4)
    {
	    document.getElementById("no1").innerHTML="<a href=\"javascript:void fNoUrl();\">供应信息</a>";
	    document.getElementById("no2").innerHTML="<a href=\"javascript:void fNoUrl();\">求购信息</a>";
	    document.getElementById("no3").innerHTML="<a href=\"javascript:void fNoUrl();\">公司信息</a>";	
	    document.getElementById("no4").innerHTML="IC替换";	
	    document.getElementById("no5").innerHTML="<a href=\"javascript:void fNoUrl();\">IC报价</a>";

        document.getElementById("sl").value="4";
		document.forms["instockform"].action = "../Replace.asp" ;
        if(partno=null || partno=="" || partno.indexOf('请输入') != -1){
	        document.getElementById("tb_Partno").value="请输入替换IC类关键词";
	    }
    }
    else if(tempID==5)
    {
	    document.getElementById("no1").innerHTML="<a href=\"javascript:void fNoUrl();\">供应信息</a>";
	    document.getElementById("no2").innerHTML="<a href=\"javascript:void fNoUrl();\">求购信息</a>";
	    document.getElementById("no3").innerHTML="<a href=\"javascript:void fNoUrl();\">公司信息</a>";	
	    document.getElementById("no4").innerHTML="<a href=\"javascript:void fNoUrl();\">IC替换</a>";	
	    document.getElementById("no5").innerHTML="IC报价";

	    document.getElementById("sl").value="5";
		document.forms["instockform"].action = "../searchprice.asp" ;
	    if(partno=null || partno=="" || partno.indexOf('请输入') != -1){
	        document.getElementById("tb_Partno").value="请输入查找的IC报价型号";
	    }
    }
}
function fNoUrl() {
 return false ;
}
/*
window.onload = function()//检查从哪个站点登录,设置当前默认搜索框
{
    var sid=0;
    var str="";
    str = window.location.href;
    if( str.substring(7,11)=="info" )
    {
        if(str.substring(24,30)=="supply")
        {
            sid=3;
        }
        else
        {
            sid=4;
        }
        document.getElementById("menu_btn5").className="dv_btn5";
    }
    else if( str.substring(7,12)=="datum" )
    {
        sid=5;
        document.getElementById("menu_btn4").className="dv_btn5";
    }
    else if( str.substring(23,29)=="seller" )
    {
        sid=2;
        document.getElementById("menu_btn2").className="dv_btn5";
    }
    else if( str.substring(23,28)=="buyer" )
    {
        if(str.substring(30,37)=="hotsell") sid=6
        document.getElementById("menu_btn3").className="dv_btn5";
    }
    if(sid > 0)
        changeSearchWindow(sid)
}
function getXMLHTTPRequest2()
{
    var req=null;
    if(window.XMLHttpRequest)
    {
        req=new XMLHttpRequest();
    }
    else if(window.ActiveXObject)
    {
        req=new ActiveXObject("Microsoft.XMLHTTP");
    }
    return req
}
function checkSearchWord(t1,t2)//t1类别,t2关键字
{
    var url="http://www.chipbid.com/component/vaildatesearch.aspx";
	var randomnum = Math.random();//随机数,防止缓存页面
    var params="op="+ t1 +"&sw="+ encodeURIComponent(t2) +"&k="+randomnum;    
    getReq = getXMLHTTPRequest2();
    if(getReq)
    {
        getReq.open("POST",url,true);
        getReq.setRequestHeader("Content-Type","application/x-www-form-urlencoded;charset=utf-8");
        getReq.send(params);       
    }
}*/