//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 doCopy(ID) {
    if (document.all){
         textRange = document.getElementById(ID).createTextRange();
         textRange.execCommand("Copy");
         window.status=("HouKai提示，代码复制成功！");
    }
    else{
         alert("此功能只能在IE上有效")
    }
}

//复制文本域代码
function cycode(obj) {
    var rng = document.body.createTextRange();
    rng.moveToElementText(obj);
    rng.scrollIntoView();
    rng.select();
    rng.execCommand("Copy");
    window.status="高亮度包含的代码已被复制到剪贴板！"
    setTimeout("window.status=''",1800)
    rng.collapse(false);
}

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