/*
 * 函数说明：选择搜索类型
 * 参数：	actionUrl:搜索目标页面　　tracelog:跟踪参数
 * 返回值：	无
 * 时间：2005-5-12
 */
var searchActivedItem=1;
var tracelogStr="";
var otherParamStr="";
function searchInit(num,tracelog,otherParam){
	tracelogStr = tracelog;
	otherParamStr = otherParam;
	doclick(document.getElementById("node"+num),num);

}
function doclick(srcObj,searchID){
	var tabList = srcObj.parentNode.getElementsByTagName("li");
	if(srcObj.className=="activedTab")return;
	for(var i=0;i<tabList.length;i++){
		if(tabList[i].className=="activedTab")tabList[i].className="nTab";
	}
	searchActivedItem = searchID;
	srcObj.className = "activedTab";//TAB切换
	
	if(document.getElementById("linkKwords"))document.getElementById("linkKwords").innerHTML = linkKeywords[searchID-1].surl//热门关键字付值
	
	var v = searchform.keyword.value;
	if(trim(v) == "" || v.substring(0,3) =="请输入")searchform.keyword.value = data[searchID-1].title;
}
function checkform(){
	var v = trim(searchform.keyword.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;
	}
	  if (data[searchActivedItem-1].name=="IC供应"){
		if(v.length<4){
		   alert("搜索关键字不可小于4个字符!");
		   searchform.keyword.focus();
		   return false;	
		}  
	  }else if(v.length<2){
		   alert("搜索关键字不可小于2个字符!");
		   searchform.keyword.focus();
		   return false;	
		}  

	var s ="&";
	if((data[searchActivedItem-1].surl).indexOf("?")==-1) s="?";
	switch(data[searchActivedItem-1].id){
		case 1:
		case 3: 
		case 4: 
		case 5:
			searchform.action = data[searchActivedItem-1].surl+s+"keyword=" + searchform.keyword.value
			break;
		case 2:
			window.open("/search/searchdatasheet.asp?Searchword="+v);
			return false;
	} 

}
/*
 * 函数说明：去除头尾空格
 * 参数：	字符串
 * 返回值：	无
 * 时间：2005-5-12
 */
function trim(inputString) {
	return inputString.replace(/^ +/,"").replace(/ +$/,"");
}
/*
 * 函数说明：取cookie值
 * 参数：	cookie字段名
 * 返回值：	cookie值
 * 时间：2005-5-12
 */
function getCookie(sName) {
	  var aCookie = document.cookie.split("; ");
	  for (var i=0; i < aCookie.length; i++)
	  {
	    var aCrumb = aCookie[i].split("=");
	    if (sName == aCrumb[0]) 
	      return unescape(aCrumb[1]);
	  }
	  return null;		
}
/*搜索配置*/
var data = [
	{id:1,name:"IC供应",surl:"/search/search_sell.asp?stype=sell" , title:"请输入您要查询的IC型号！" , tracelog:"searchsell"},
	{id:2,name:"PDF资料",surl:"/search/searchdatasheet.asp" , title:"请输入您要查询的PDF资料！", tracelog:"searchpdf"},
	{id:3,name:"求购",surl:"/search/search_buy.asp?stype=buy" , title:"请输入您要查询的IC型号！" , tracelog:"searcbuy"},
	{id:4,name:"公司",surl:"/search/search_company.asp?stype=company",title:"请输入您要查询公司的关键字！" , tracelog:"searchcompany"},
	{id:5,name:"站内文章",surl:"/search/searchnews.asp?stype=article" , title:"请输入您要查询信息的关键词！" , tracelog:"searcharticle"},
	]

/*热门关键字*/
var linkKeywords = [
	{id:1,name:"IC供应",surl:""},


	{id:2,name:"PDF资料",surl:""},



	{id:3,name:"求购",surl:""},


	{id:4,name:"公司",surl:""},


	{id:5,name:"站内文章",surl:""},

]