var $ff = function(el){
return (typeof el == 'object')?el:document.getElementById(el);
};
 var searchType = "key"; 
 var areaValue="";
 
var xmlHttp;
var urlEncodeKey;


//改变查询模块颜色
function Search_Select(type)
{

$f("search_div").className="search_shu1"	
    if(type=="key")
   {   
     $f("keyword").value="请输入您要找的企事业单位、店名、地址等查询关键词";
   }else 
   if(type=="cp")
   {
     $f("keyword").value="请输入您要找的产品信息查询关键词";     
   }else  
   if(type=="gq")
   {
     $f("keyword").value="请输入您要找的供求信息查询关键词";     
   }else  
   if(type=="cate")
   {
     $f("keyword").value="请输入您要找的分类信息查询关键词";    
   }    
        
    $f("anniu_" + searchType).style.background = "none";
    $f("anniu_" + type).style.background = "url(./images/keyword.jpg)";
    $f("anniu_" + searchType).style.color = "#000";
    $f("anniu_" + type).style.color = "#000";
    $f("anniu_" + type).style.backgroundRepeat = $f("anniu_" + searchType).style.backgroundRepeat = "repeat-x";
    searchType = type;
  
   
}

//提交查询
function Search_Submit()
{
$f("search_div").className="search_shu1"	
    //if(IsNotSelect($f("sfbh"),"请选择地区!")) return false;
	if(IsEmpty($f("keyword"),"请输入关键字!")) return false;
	if(IsHaveScript($f("keyword"),"关键字中不能含有网页脚本!")) return false;
	if(LengthCompare($f("keyword"),20,"关键字的长度不能超过20个字符!")) return false;	
	var keyword = $f("keyword").value;
	

	if(keyword.length < 2)
	{
	    alert("搜索关键字必须2个字以上！");
	    return false;
	}
	
	keyword=encodeURI(keyword);

	if (searchType == "key" || searchType == "")
    {	    
        window.open("search.php?key="+keyword +"&InfoTypeID=1&_OrderBy=InfoOrderID&_Order=0");
    } else if (searchType == "cp") {
        window.open("search.php?key="+keyword +"&InfoTypeID=2&_OrderBy=InfoOrderID&_Order=0");
    } else if (searchType == "gq") {
        window.open("search.php?key="+keyword +"&InfoTypeID=3&_OrderBy=InfoOrderID&_Order=0");
    } else if (searchType == "cate"){
        window.open("search.php?key="+keyword +"&InfoTypeID=4&_OrderBy=InfoOrderID&_Order=0");
    }
    
    
}

function  AutoTxt()
{

  $f("keyword").focus();           
  $f("keyword").select(); 
  $f("keyword").value="";	
  $f("search_div").className="search_changefontcolor";
}



        function btnkeypress(event)
{
    
    var code = 0;
    code = event.keyCode;
    if (code==13)
    {
        event.keyCode = 0;

        Search_Submit();
    }
}