var lang = new Array();
var userAgent = navigator.userAgent.toLowerCase();
var is_opera = userAgent.indexOf('opera') != -1 && opera.version();
var is_moz = (navigator.product == 'Gecko') && userAgent.substr(userAgent.indexOf('firefox') + 8, 3);
var is_ie = (userAgent.indexOf('msie') != -1 && !is_opera) && userAgent.substr(userAgent.indexOf('msie') + 5, 3);

///获取指定id对象
function $(objectid)
{
	return document.getElementById(objectid);
}

///根据name值获取对象集合，以item得到具体对象
function $$(objectname)
{
	return document.getElementsByName(objectname);
}
///去除字符串中的空格
function Trim(str)
{
	var tempstr = str.toString();
	return tempstr.replace(/(^\s*)|(\s*$)/g, "");
}
///去除字符串左边的空格
function LTrim(str)
{
	return str.replace(/(^\s*)/g,"");
}
///去除字符串右边的空格
function RTrim(str)
{
	return str.replace(/(\s*$)/g,"");
} 


//检查是不是数字组成的字符串
function IsNumberString(str)
{
	var myReg = /^[0-9]+$/;
	return myReg.test(str);
}

function IsEmpty(str)
{
	return str==null || str=="";
}
//内容是否包含在数组中
function in_array(needle, haystack) {
	if(typeof needle == 'string' || typeof needle == 'number') {
		for(var i in haystack) {
			if(haystack[i] == needle) {
					return true;
			}
		}
	}
	return false;
}



//toLowerCase 小写
//toUpperCase 大写



//复制代码

function Copytxt(id)
{
 var txt = document.body.createTextRange();
 txt.moveToElementText($(id));
 txt.select();
 document.execCommand("Copy"); 
}

//删除双重BR
function delbr(id,num){
	var dobj = $(id);
	var tdobj = dobj.getElementsByTagName("td");
	var con,temcon,tcode;
	for(i=0;i<tdobj.length;i++){
		con = tdobj[i].innerHTML;
		if(num==1)
			tdobj[i].innerHTML = con.substring(0,con.length-4);
		else
			tdobj[i].innerHTML = con.replace(/(\<br\>)+/gi,"<br>");		
	}
}

//检查字符串长度是否合理
function CheckLength(str,minLen,maxLen)
{
	var strLen=str.length;
	if (strLen<minLen || (strLen>maxLen && maxLen>0))
	{
		return false;
	}
	else
	{
		return true;
	}
}

//去除字符串中的html标签
function ClearHtml(strHtml)
{
	if (IsEmpty(strHtml)) {return "";}
	return strHtml.replace(/(\<.*?\>)/g,"")
}

//替换掉字符串中的script标签中的<和>
function ReplaceScriptTags(str)
{
	if (IsEmpty(strHtml))return "";
	return strHtml.replace("<script","&lt;script").replace("script>","script&gt;");
}


/*function delbr(id){
	var dobj = $(id);
	var tdobj = dobj.getElementsByTagName("td");
	var con,temcon,tcode;
	for(i=0;i<tdobj.length;i++){
		con = tdobj[i].innerHTML;
		tcode = con.split("<BR><BR>");
	temcon = tcode.join("<BR>");
		tdobj[i].innerHTML = temcon;
	}

}*/


//控制页面广告后载
function endAdv(str1,str2,initheight){
	$(str1).style.height = initheight + "px";
	$(str1).innerHTML = $(str2).innerHTML;
	$(str2).innerHTML = "";
}


//文本框获取焦点//针对:好耶iframe广告抢走input=text焦点
function inputFocus(obj){
	$(obj).focus();
}


// 自动检索url地址并重新赋带参数的url 
// AUTHOR:JULLYCAT
//@parm urlIndex(检索的url,加参的标识,显示当前加载页的状态是iframe则设参不是则不写) 

function urlIndex(url,pname,t){
	var aChild = new Array;
	var pos = new Array;
	var trades = new Array;
	var temppos,pageUrl,parm,trade,n;
	aChild = document.getElementsByTagName("a");
	for(var i=0;i<aChild.length;i++){
		if (aChild[i].href == url){
			temppos = i;
			pos.push(temppos);
		}
	}
	if(arguments[2]==null){
		pageUrl = location.href;
		if (pageUrl.indexOf("html")==-1 && pageUrl.indexOf("htm")==-1){
			parm = "index";
		}
		else{
			parm = pageUrl.substring(pageUrl.lastIndexOf("/")+1,pageUrl.lastIndexOf("."));
		}
	}else{
		parm = location.search.substring(1);
	}
	trades = location.href.split(".");
	for(var m=0;m<trades.length;m++){
		if(trades[m].toLowerCase() == "pipechina"){
			n = m;
			break;
		} 
	}
	if(n!=2){
		trade = trades[0].substring(trades[0].indexOf("http://")+7).toLowerCase();
		if(trade=="www" || trade=="active" || trade=="info") trade = "";
		else trade = trade + "_";
	}else{
		trade = trades[1] + "_";
	}
	for(var j=0;j<pos.length;j++){
		aChild[pos[j]].href = url + "?" + pname + "=" + trade + parm;
	}
}


function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}
function ylCopy(ob){
var obj=MM_findObj(ob); if (obj) { 
obj.select();js=obj.createTextRange();js.execCommand("Copy");}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}


function JM_cc(ob)
{
	ylCopy(ob);
	alert("复制成功");
}

	//加载图片时判断图片是否有效，无效则指定默认值
	//参数为各个图片的name值
	function loadImage(objName)
	{
		var objs = document.getElementsByName(objName);
		var objCount=objs.length;
		for(i=0;i<objCount;i++)
		{
			if (objs[i].fileSize<1)
			{
				objs[i].src="/uploadfile/nopicture.gif";
			}
		}
	}