  //打开窗口：
  function openurl(url, l, t, w, h, style)
  {
    if (style==""||style==null)
  	  open(url,'','toolbar=yes, location=no, status=yes, menubar=yes, scrollbars=yes, resizable=yes, width=' + w + ', height=' + h + ', left=' + l + ', top=' + t);
    else
  	  open(url,'', style + ', width=' + w + ', height=' + h + ', left=' + l + ', top=' + t);
  }

  //改变页面字体大小:
  function doZoom(obj, size)
  {
    document.getElementById(obj).style.fontSize=size + 'pt';
  }

  //收藏
  function add_fav(link, remark)
  {
    window.external.addFavorite(link, remark);
  }

  //复制地址
  function copy_url(txt)
  {
    window.clipboardData.setData('text', txt);
    alert('本页地址已保存到剪贴板，\n您可以使用Ctrl+V粘贴到编辑器中');
  }

  //鼠标滚轮改变图片大小:
  function ImageScroll(img)
  {
    var zoom=parseInt(img.style.zoom, 10)||100;
    zoom+=event.wheelDelta/12;
    if (zoom>0)
      img.style.zoom=zoom+'%';
    return false;
  }

  //添加 Flash:
  function show_flash(flash, w, h)
  {
    document.write ("<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0' width="+w+" height="+h+"><param name='movie' value="+flash+"><param name='quality' value='high'><param name='wmode' value='opaque'><embed src="+flash+" quality='high' pluginspage='http://www.macromedia.com/go/getflashplayer' type='application/x-shockwave-flash' param name='wmode' value='opaque' width="+w+" height="+h+"></embed></object>");
  }

  //添加 播放视频的Flash:
  function show_flash_video(flash, w, h, flashvars)
  {
    document.write ("<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0' width='"+ w +"' height='"+ h +"'><param name='movie' value='"+ flash +"'><param name='quality' value='high'><param name='allowFullScreen' value='true'><param name='FlashVars' value='"+ flashvars +"'><embed src='"+ flash +"' allowFullScreen='true' FlashVars='"+ flashvars +"' quality='high' pluginspage='http://www.macromedia.com/go/getflashplayer' type='application/x-shockwave-flash' width='"+ w +"' height='"+ h +"'></embed></object>");
  }

  //添加图片:
  function show_img(link, src, w, h)
  {
    document.write ("<a href='"+ link + "' target='_blank' onfocus='blur();'><img src='"+ src +"' border='0' width='"+ w +"' height='"+h+"'></a>");
  }

  //显示图片函数：
  function play_picture(f, w, h, oWin_id)
  {
    var code = '<img src="'+ f +'" width="'+ w +'" height="'+ h +'">';
    document.getElementById(oWin_id).innerHTML = code;
  }
  //显示播放视频 flash 函数：
  function play_flash(f, w, h, oWin_id, flashvars)
  {
    var code = "<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0' "
             + " width='"+ w +"' height='"+ h +"'><param name='movie' value='"
             + f +"'><param name='quality' value='high'><param name='allowFullScreen' value='true'><param name='FlashVars' value='"
             + flashvars +"'><embed src='"+ f +"' allowFullScreen='true' FlashVars='"
             + flashvars +"' quality='high' pluginspage='http://www.macromedia.com/go/getflashplayer' type='application/x-shockwave-flash' width='"
             + w +"' height='"+ h +"'></embed></object>";
    document.getElementById(oWin_id).innerHTML = code;
  }

  //trim函数:
  function trim(str)
  {
	  return str.replace(/(^\s*)|(\s*$)/g, "");
  }

  //ltrim函数:
  function ltrim(str)
  {
	  return str.replace(/^\s*/g, "");
  }

  //rtrim函数:
  function rtrim(str)
  {
	  return str.replace(/\s*$/g, "");
  }

  //扩展String类功能
  //删除字符串二边空格
  String.prototype.trim = function()
  {
    return this.replace(/(^[\s]*)|([\s]*$)/g, "");
  };
  //删除字符串左边空格
  String.prototype.ltrim = function()
  {
    return this.replace(/(^[\s]*)/g, "");
  };
  //删除字符串右边空格
  String.prototype.rtrim = function()
  {
    return this.replace(/([\s]*$)/g, "");
  };

  //dream weaver8.0 交换图片函数
  function MM_preloadImages() { //v3.0
    var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
      var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
      if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
  }
  function MM_swapImgRestore() { //v3.0
    var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
  }
  function MM_findObj(n, d) { //v4.01
    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 && d.getElementById) x=d.getElementById(n); return x;
  }
  function MM_swapImage() { //v3.0
    var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
     if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
  }