// JavaScript Document
/********************************************************************/
//激活导航栏当前栏目
function currentnav(str){
	var o = document.getElementById(str);
	o.className = "navcurrent";
}

function trim(inputString) {
	return inputString.replace(/^ +/,"").replace(/ +$/,"");
}

//快速搜索栏设置
function searchChange() {
	//基本参数
	var oTag = document.getElementById("qsearch").getElementsByTagName("a");
	//    var urlArray = ["http://www.ddc.net.cn/search/tsearch.aspx?keyword=","http://www.ddc.net.cn/search/psearch.aspx?keyword=","http://www.ddc.net.cn/search/msearch.aspx?keyword=","http://news.ddc.net.cn/search.aspx?keywords="];
	var urlArray = ["http://sou.ddc.net.cn/gongying/","http://sou.ddc.net.cn/chanping/","http://sou.ddc.net.cn/company.aspx?k=","http://sou.ddc.net.cn/news/"];
	//var paraArray = ["&cls=2","&cls=1","&cls=0","&Location=0&DataSpan=0"];
	var paraArray = ["&kind=1","","","&Location=0&DataSpan=0"];

	var urlNum = 0;
	var oField = document.getElementById("input_search");
	var oButton = document.getElementById("btn_search");
	//初始化
	for (var i=0; i<oTag.length; i++){
		oTag[i].className = "unchecked";
	}
	oTag[0].className = "checked";	
	oField.value = valueArray[0];
	oField.style.color = "#999";
	//事件行为
	for (var i=0; i<oTag.length; i++) {
		oTag[i].onfocus = function() {
			this.blur();
		}
		oTag[i].onclick = function() {
			oField.style.color = "#999";
			for (var j=0; j<oTag.length; j++)
				oTag[j].className = "unchecked";
			this.className = "checked";
			for (var j=0; j<oTag.length; j++)
				if (oTag[j].className == "checked") {

				var v = document.getElementById("input_search").value;					
				if(trim(v) == "" || v.substring(0,3) =="请输入") oField.value  = valueArray[j];

					//oField.value = valueArray[j];
					urlNum = j;
				}
		}
	}
	oField.onfocus = function() {
		this.value = "";
		this.style.color = "#333";
	}
	oField.onkeydown = function() {
		if (window.event.keyCode == 13)	{
			window.open(urlArray[urlNum] + encodeURI(this.value) + paraArray[urlNum]);
			return false;
		}
		else return true;
	}
	oButton.onclick = function() {
		window.open(urlArray[urlNum] + encodeURI(oField.value) + paraArray[urlNum]);
document.forms[0].onsubmit = function(){return false;}
	}
}

function ping(site)
{
	//var referer=getreferer(document.referrer);
	//(new Image()).src="http://www.ddc.net.cn/ajax/do.aspx?site="+site+"&referer="+referer;
}

function getreferer(uri)
{
	var pattern=/:\/\/([^\/]+)/i;
    if(uri.indexOf("://")==-1) pattern=/[^\/]+/i;
    var host=uri.match(pattern);
    if(host!=null)
        if(host.length>1)return host[1];
        else return host[0];
    else return uri;
}
var valueArray = ["请输入商机信息关键字!","请输入产品信息关键字!","请输入企业名录关键字!","请输入行业资讯关键字!"];