function isMatch(str1,str2){
var index = str1.indexOf(str2);
if(index==-1) return false;
return true;
}
function ResumeError(){
return true;
}
window.onerror = ResumeError;
function doClick(o){
o.className="nav-1";
var j;
var id;
var e;
for(var i=0;i<=11;i++){
id ="nav"+i;
j = document.getElementById(id);
e = document.getElementById("sub"+i);
if(id != o.id){
   j.className="nav-2";
   e.style.display = "none";
}else{
   e.style.display = "block";
}
}
}

// 返回顶部
var scrollToTop = function(){ $('a[@href=#top]').click(function(){ backToTop(); return false;} ) };
function backToTop() {
    var x1 = x2 = x3 = 0;
    var y1 = y2 = y3 = 0;
    if (document.documentElement) {
        x1 = document.documentElement.scrollLeft || 0;
        y1 = document.documentElement.scrollTop || 0;
    }
    if (document.body) {
        x2 = document.body.scrollLeft || 0;
        y2 = document.body.scrollTop || 0;
    }
    x3 = window.scrollX || 0;
    y3 = window.scrollY || 0;
    var x = Math.max(x1, Math.max(x2, x3));
    var y = Math.max(y1, Math.max(y2, y3));
    window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
    if (x > 0 || y > 0) {
        window.setTimeout("backToTop()", 30);
    }
}

//设为首页
function SetHome(obj,vrl){
        try{
                obj.style.behavior='url(#default#homepage)';obj.setHomePage(vrl);
        }
        catch(e){
                if(window.netscape) {
                        try {
                                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");  
                        }  
                        catch (e) 
 { 
                                alert("抱歉！您的浏览器不支持直接设为首页。请在浏览器地址栏输入“about:config”并回车然后将[signed.applets.codebase_principal_support]设置为“true”，点击“加入收藏”后忽略安全提示，即可设置成功。");  
                        }
                        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
                        prefs.setCharPref('browser.startup.homepage',vrl);
                 }
        }
}

//网页报错
function openwinx(url,name,w,h)
{
window.open(url,name,"top=100,left=250,width=" + w + ",height=" + h + ",toolbar=no,menubar=no,scrollbars=no,resizable=no,location=no,status=no")
}

//转换字号
function fontZoom(size)
{
document.getElementById('contentText').style.fontSize=size+'px'
}

//复制链接
function copyLink(){
	try {
		var cText =  document.location.toString();
		if (window.clipboardData) {
			window.clipboardData.setData("Text", cText);
			alert("复制完成!");
		} else if (window.netscape) {
			try {
				netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
			} catch (e) {
				alert("您的浏览器设置为不允许复制！\n如果需要此操作，请在浏览器地址栏输入'about:config'并回车\n然后将'signed.applets.codebase_principal_support'设置为'true',再重试复制操作!");
				return false;
			}
			var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
			if (!clip) 
				return;
			var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);
			if (!trans) {
				return;
			}
			trans.addDataFlavor('text/unicode');
			var str = new Object();
			var len = new Object();
			var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);
			
			str.data = cText;
			trans.setTransferData("text/unicode", str, cText.length * 2);
			var clipid = Components.interfaces.nsIClipboard;
			if (!clip) 
				return false;
			clip.setData(trans, null, clipid.kGlobalClipboard);
			alert("复制完成!");
		}
	} catch (e) {
	}
}

//运行代码
function runEx(cod1)  {
	 cod=document.getElementById(cod1)
	  var code=cod.value;
	  if (code!=""){
		  var newwin=window.open('','','');
		  newwin.opener = null 
		  newwin.document.write(code);
		  newwin.document.close();
	}
}
//复制代码
function doCopy2(ID) {
	if (document.all){
		 textRange = document.getElementById(ID).createTextRange();
		 textRange.execCommand("Copy");
alert('复制成功');
	}
	else{
		 alert("此功能只能在IE上有效")
	}
}
//复制代码
function copyToClipboard(id) {
	var obj = document.getElementById(id)
	var txt = obj.value;
     if(window.clipboardData) {
              window.clipboardData.clearData();
              window.clipboardData.setData("Text", txt);
			  alert("复制成功！") 
      } else if(navigator.userAgent.indexOf("Opera") != -1) {
           window.location = txt;
      } else if (window.netscape) {
          try {
                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
           } catch (e) {
                alert("被浏览器拒绝！\n请在浏览器地址栏输入'about:config'并回车\n然后将'signed.applets.codebase_principal_support'设置为'true'");
           }
          var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);
          if (!clip)
               return;
          var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);
          if (!trans)
               return;
           trans.addDataFlavor('text/unicode');
          var str = new Object();
          var len = new Object();
          var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);
          var copytext = txt;
           str.data = copytext;
           trans.setTransferData("text/unicode",str,copytext.length*2);
          var clipid = Components.interfaces.nsIClipboard;
          if (!clip)
               return false;
           clip.setData(trans,null,clipid.kGlobalClipboard);
           alert("复制成功！")
      }
}

//另存代码
function doSave(obj) {
	var winname = window.open('', '_blank', 'top=10000');
	winname.document.open('text/html', 'replace');
	winname.document.writeln(obj.value);
	winname.document.execCommand('saveas','','code.htm');
	winname.close();
}

/*选项卡更换显示样式*/
function setTab(m,n){
var tli=document.getElementById("menu"+m).getElementsByTagName("li");
var mli=document.getElementById("main"+m).getElementsByTagName("ul");
for(i=0;i<tli.length;i++){
 tli[i].className=i==n?"hover":"";
 mli[i].style.display=i==n?"block":"none";
}
}