var j=-1;
var temp_str;
function change_search(obb,value,butTitle){
	document.getElementById("type_Product").className="search_off";
	document.getElementById("type_Enterprise").className="search_off";
	document.getElementById("type_Info").className="search_off";
	document.getElementById("type_Knowledge").className="search_off";
	obb.className="search_on";
	document.getElementById("searchType").value=value;
	document.getElementById("searchBtn").value=butTitle;
}
function chang_nav_style(obb){
	if(obb.className=="nav_on"){
		obb.className="none";
		document.getElementById("nav_on").className="nav_on"
	}
	else{
		obb.className="nav_on";
		document.getElementById("nav_on").className="none"
	}
}
function Check_Form(formName)
{
	if (formName.keyword.value==""){
		alert("请输入要搜索的关键！");
		formName.keyword.focus();
		}
	else{
	    if (formName.searchType.value==""){
		    formName.searchType.value="Product";
		}
		    keyword=formName.keyword.value;
		    keyword=encodeURIComponent(keyword);
		    //alert(keyword);
	        window.open("search/"+formName.searchType.value+"/"+keyword+".html");
	    }
	return false;
}   

function keySelectHistory()
{
    document.getElementById('keytext').style.display = ''
}

function keySelectHistory3()
{
    setTimeout("document.getElementById('keytext').style.display = 'none'",1000);
}

function hide_suggest()
{
    document.getElementById('keytext').style.display = 'none';
}

function keySelectHistory2(e,V)
{
    var keyc;
    if(window.event){keyc=e.keyCode;}else if(e.which){keyc=e.which;}
    if(keyc==40 || keyc==38){
    }
    else{
    temp_str=V;
    var key=document.getElementById('keyword').value;
    key=encodeURIComponent(key);
    var sendData="key="+key+"";
    
    if (window.XMLHttpRequest) { // Mozilla, Safari, ...
    http_request = new XMLHttpRequest();
    } else if (window.ActiveXObject) { // IE
        http_request = new ActiveXObject("Microsoft.XMLHTTP");
    }


    var linkurl="fun/GetSearchKeyWord.aspx?key="+key;
    http_request.open("GET",linkurl,false);
    http_request.send(null);
    
    document.getElementById('keytext').className="text";
    document.getElementById('keytext').innerHTML =unescape(http_request.responseText);
    }

}

function clickkey(value)
{
    document.getElementById('keyword').value=value;
    document.getElementById('keytext').style.display = 'none';
}
function keydowndeal(e)
{
var keyc;
if(window.event){keyc=e.keyCode;}else if(e.which){keyc=e.which;}
if(keyc==40||keyc==38)
	{
		if(keyc==40)
		{
		if(j<$N("dd").length){j++;if(j>=$N("dd").length){j=-1;}}
		if(j>=$N("dd").length){j=-1;}
		}
		if(keyc==38)
		{
		if(j>=0){j--;if(j<=-1){j=$N("dd").length;}}else{j=$N("dd").length-1;}
		}	
		set_style(j);
		if(j>=0&&j<$N("dd").length){$$("keyword").value=$N("dd")[j].childNodes[0].nodeValue;}
		else{$$("keyword").value=temp_str;}
	}
}

var $$=function(node){
    return document.getElementById(node);
}

var $N=function(node){
    return document.getElementsByTagName(node);
}

function set_style(num)
{
    for(var i=0;i<$N("dd").length;i++)
    {var li_node=$N("dd")[i];li_node.className="";}
    if(j>=0 && j<$N("dd").length){var i_node=$N("dd")[j];$N("dd")[j].className="select";}
}