function imgzoom(img,maxsize){
	var a=new Image();
	a.src=img.src
	if(a.width > maxsize * 4)
	{
		img.style.width=maxsize;
	}
	else if(a.width >= maxsize)
	{
		img.style.width=Math.round(a.width * Math.floor(4 * maxsize / a.width) / 4);
	}
	return false;
}
//图片自动调整的模式，1为按比例调整 ，2 按大小调整。
var resizemode=1
function imgresize(o){
	 if (resizemode==2 || o.onmousewheel){
	 	if(o.width > 500 ){
				o.style.width='500px';
			}
			if(o.height > 800){
				o.style.height='800px';
			}
		}else{
		var parentNode=o.parentNode.parentNode
		if (parentNode){
		if (o.offsetWidth>=parentNode.offsetWidth) o.style.width='98%';
		}else{
		var parentNode=o.parentNode
		if (parentNode){
			if (o.offsetWidth>=parentNode.offsetWidth) o.style.width='98%';
			}
		}
	}
}
function doClick(){
if (event.button==1){
	alert('请点击右键，用迅雷、快车等软件下载！建议您下载前查看下载帮助说明。');
	}
}
//new switchTab

function switchtab(identify,index,count) {
	for(i=0;i<count;i++) {
		var CurTabObj = document.getElementById("tab_"+identify+"_"+i) ;
		var CurListObj = document.getElementById("list_"+identify+"_"+i) ;
		if (i != index) {
			fRemoveClass(CurTabObj , "uph2") ;
			fRemoveClass(CurListObj , "upbox") ;
		}
	}
	fAddClass(document.getElementById("tab_"+identify+"_"+index),"uph2") ;
	fAddClass(document.getElementById("list_"+identify+"_"+index),"upbox") ;
}

function fAddClass(XEle, XClass) {
  if(!XClass) throw new Error("XClass 不能为空!");
  if(XEle.className!="") {
    var Re = new RegExp("\\b"+XClass+"\\b\\s*", "");
    XEle.className = XEle.className.replace(Re, "");
	var OldClassName = XEle.className.replace(/^\s+|\s+$/g,"") ;
	if (OldClassName == "" ) {
		 XEle.className = XClass;
	}
	else {
		XEle.className = OldClassName + " " + XClass;
	}
  }
  else XEle.className = XClass;
}

function fRemoveClass(XEle, XClass) {
  if(!XClass) throw new Error("XClass 不能为空!");
  var OldClassName = XEle.className.replace(/^\s+|\s+$/g,"") ;
  if(OldClassName!="") {
    var Re = new RegExp("\\b"+XClass+"\\b\\s*", "");
    XEle.className = OldClassName.replace(Re, "");
  }
}

function copytingurl()
{
						   var clipBoardContent;
						   clipBoardContent='';
						   strHref = window.location.href;
						   strUrl = strHref.split("?");
						   clipBoardContent += strUrl[0];
						   if (window.clipboardData){
							  if(window.clipboardData.setData("Text",clipBoardContent)){
								  //document.getElementById('Cad').innerHTML = '&nbsp;复制成功，请粘贴到QQ\\MSN\\电邮发送给好友';
								  alert('复制成功，请粘贴到QQ\\MSN\\电邮发送给好友');
							  }
						   }
						   else{
							  //document.getElementById('Cad').innerHTML = '&nbsp;您使用的浏览器不支持此功能，请到地址栏复制链接';
							  alert('您使用的浏览器不支持此功能，请到地址栏复制链接');
						   }
			
}
function getCookie(Name) { 
	var search = Name + "=" ;
	var returnvalue = ""; 
	if (document.cookie.length > 0) { 
		offset = document.cookie.indexOf(search);
		if (offset != -1) {offset += search.length ;end = document.cookie.indexOf(";", offset); 
			if (end == -1) end = document.cookie.length; returnvalue=unescape(document.cookie.substring(offset, end)) ;
			} 
		} 
		return returnvalue; 
} 

function setCookie(name,value){
	var exp  = new Date();    
  exp.setTime(exp.getTime() + 24*60*60*1000);
	var nameString = name + "=" + value;
	var expiryString = " ;expires = "+ exp.toGMTString();
	var pathString = " ;path = /; domain="+document.domain;
	document.cookie = nameString + expiryString + pathString ;
}

function showsubmenu(sid) {
	var whichEl = eval("submenu" + sid);
	var switchFolder = eval("switchFolder" + sid);
	var plusMinus = eval("plusMinus" + sid);
	if (whichEl.style.display == "none"){
		eval("submenu" + sid + ".style.display=\"\";");
		if (sid == 999) {
			plusMinus.src="/images/2009/ftv2mlastnode.gif";
		}else{
			plusMinus.src="/images/2009/ftv2mnode.gif";
			switchFolder.src="/images/2009/ftv2folderopen.gif";
		}
	}else{
		eval("submenu" + sid + ".style.display=\"none\";");
		if (sid == 999) {
			plusMinus.src="/images/2009/ftv2plastnode.gif";
		}else{
			plusMinus.src="/images/2009/ftv2pnode.gif";
			switchFolder.src="/images/2009/ftv2folderclosed.gif";
		}
	}
}
function setTab(name,cursel,n,currentClass,otherClass){
for(i=1;i<=n;i++){
var menu=document.getElementById(name+i);
var con=document.getElementById("con_"+name+"_"+i);
menu.className=i==cursel? currentClass:otherClass;
con.style.display=i==cursel?"block":"none";
}

}

function setTab2(obj,id)
{
					var arrayli = obj.parentNode.getElementsByTagName("li"); //获取li数组
					var j;
					for(i=0;i<arrayli.length;i++)
					{
						j=i+1;
						if(obj==arrayli[i])
						{
							arrayli[i].className = "gundong";
							
							document.getElementById(id +j).className = "Contentbox";
						}
						else
						{
							arrayli[i].className = "";
							document.getElementById(id+j).className = "dis";
						}
					}
}
function hidfenlei(isen,iscn,ispoint)
{

					if(iscn==0) 
					{
						document.getElementById("ona2").style.display="none";
					
					}
					if(ispoint==0) 
					{
						document.getElementById("ona3").style.display="none";
					
					}
}
function showElement(sid) {
	var whichEl = document.getElementById(sid);
	if (whichEl!=null) {
		if (whichEl.style.display == "none"){
			whichEl.style.display='';
		}else{
			whichEl.style.display='none';
		}
	}
}
function switchTag(tag,content,k,n,stylea,styleb){	 
   for(i=1; i <=n; i++){
		 if (i==k){
		   document.getElementById(tag+i).className=stylea;
		   document.getElementById(content+i).className="Showbox";
		 }else
		 { 
			document.getElementById(tag+i).className=styleb;
			document.getElementById(content+i).className="Hidebox";
		}
	}
}
function popiframe(src,width,height)
{
	$.modal('<iframe src="' + src + '" height="' + height + '" width="' + width + '" style="border:0" name="popFrame" marginWidth="0" marginHeight="0" scrolling="no">', {
		closeHTML:"<a>关闭</a>",
		overlayClose:true,
		minWidth: 400,
		minHeight:100
		
	});

}