function fzforce(obj){	
       if(obj.value=='封装'){
		    obj.value='';
	   } 
	   //$("fzsearch").style.display = "";
	}
	
	
	function fzblur(obj){
	    $("fzsearch").style.display = "none";
	}
	
	
	function getfzinfo(obj){
	      var MyAjax = new Ajax(); 
		  MyAjax.open("get","js/indexgetfz.asp?keyword="+obj.value,false);
		  MyAjax.onreadystatechange=function(){
			   if (MyAjax.readyState==4 && MyAjax.status==200){			 	   
				   var Dom = MyAjax.responseXML;	 
				   if(Dom.selectNodes("//info/keyword").length>0){
					   var html = "";
					   for( var i =0;i<Dom.selectNodes("//info/keyword").length;i++){
					       html += '<div class="searchstyle_1" onMouseOver="this.className=\'searchstyle_2\'" onMouseOut="this.className=\'searchstyle_1\'" onMouseDown="searchform.fengzhuang.value=\''+Dom.selectNodes("//info/keyword")[i].text+'\'">'+Dom.selectNodes("//info/keyword")[i].text+'</div>'
					   
					   }
					    $("fzsearch").innerHTML = html;
					    $("fzsearch").style.display = "";
					   
					   
				   }
				   else{
					    $("fzsearch").innerHTML = "";
					    $("fzsearch").style.display = "none";
					  
				   }
				}				  
			}		 
		   MyAjax.send(null);
	 
	}
	
	
	function $(id){
        return document.all[id];
    } 
	
	




var searchActivedItem;
function doClick(flagid){
    searchActivedItem = flagid;
    // 初始化
	var initwords = new Array(5);
	initwords[0] = "请输入您要采购的IC型号！";
	initwords[1] = "请输入IC型号！";
	initwords[2] = "请输入关键词！";


	var initurl = new Array(5);
	initurl[0] = "http://www.dzsc.com/ic/sell_search.html";
	initurl[1] = "http://www.dzsc.com/ic/pdf.html";  
	initurl[2] = "http://www.baidu.com/s?wd=";
	initurl[3] = "http://www.google.cn/search?q="; 
	initurl[4] = "http://one.cn.yahoo.com/s?p="; 

	
	if(flagid==1){
	  document.getElementById("SearchTypeTable").style.display="";
	  document.getElementById("keyword").size="40";
	}
	else{
	  document.getElementById("SearchTypeTable").style.display="none";
	  document.getElementById("keyword").size="50";
	}	
	//document.getElementById("sel"+flagid).className = "channel_search_1";	
	var keyword = searchform.keyword;       //关键字
	if(keyword.value == "" || keyword.value.substring(0,3) =="请输入"){
	   keyword.value = initwords[flagid-1];
	}
    searchform.action = initurl[flagid-1];
 }
 
function CheckSearch(form){
    var keyword = form.keyword.value;
	if(keyword == "" || keyword.substring(0,3) =="请输入"){
	   alert("请输入关键词！");
	   form.keyword.focus();
	   return false;
	 }
	 if(searchActivedItem>1){
	   form.searchtype.checked = false;
	 } 
	 
	 switch(searchActivedItem){
	   case 1:
	      if(keyword.length<4){
		   	  alert("搜索IC库存型号关键词最少要4个字符！");
			  form.keyword.focus();
			  return false;
		  }
		  if(form.fengzhuang.value=="封装"){
		     form.fengzhuang.value = "";
		  }
	   case 4:
	      if(keyword.length<3){
		  	  alert("搜索关键词最少要3个字符！");
			  form.keyword.focus();
			  return false;
		  }
	 }
	 if(form.action.length==28 || form.action.length==24 || form.action.length==3)
	 {
	    switch(form.action)
	    {
	       case "http://www.dianzi123.com/BDs":
	       {
	           window.open("http://www.baidu.com/s?wd=" + form.keyword.value);
	           break;
	       }
	       case "http://www.dianzi123.com/GGs":
	       {
	           window.open("http://www.google.cn/search?q=" + form.keyword.value);
	           break;
	       }
	       case "http://www.dianzi123.com/YHs":
	       {
	           window.open("http://one.cn.yahoo.com/s?p=" + form.keyword.value);
	           break;
	       }
	       case "http://dianzi123.com/BDs":
	       {
	           window.open("http://www.baidu.com/s?wd=" + form.keyword.value);
	           break;
	       }
	       case "http://dianzi123.com/GGs":
	       {
	           window.open("http://www.google.cn/search?q=" + form.keyword.value);
	           break;
	       }
	       case "http://dianzi123.com/YHs":
	       {
	           window.open("http://one.cn.yahoo.com/s?p=" + form.keyword.value);
	           break;
	       }
	       case "BDs":
	       {
	           window.open("http://www.baidu.com/s?wd=" + form.keyword.value);
	           break;
	       }
	       case "GGs":
	       {
	           window.open("http://www.google.cn/search?q=" + form.keyword.value);
	           break;
	       }
	       case "YHs":
	       {
	           window.open("http://one.cn.yahoo.com/s?p=" + form.keyword.value);
	           break;
	       }
	    }
	    return false;
	 }
	 return true;

}
function SetHome(obj,vrl)
{
    try
    {
       obj.style.behavior='url(#default#homepage)';obj.setHomePage(vrl);
    }
    catch(e)
    {
       if(window.netscape) 
       {
            try 
            {
                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); 
            } 
            catch (e) 
            { 
                alert("此操作被浏览器拒绝！\n请在浏览器地址栏输入“about:config”并回车\n然后将[signed.applets.codebase_principal_support]设置为'true'"); 
            }
            var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
            prefs.setCharPref('browser.startup.homepage',vrl);
       }
    }
}