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];
  }
}

function admin_logout()
{
  var cf=window.confirm("您确定要关闭本页吗？");
  if (cf)
  { //return true;
   window.close(); 
   }
  else
  { return false; }
  
}

function sub_edit()
{
	if (rssfrm.keyword.value == "")
	{
		alert("搜索关键字不能为空！");
		return false;
	}
	else if (rssfrm.lb.value =="")
	{
		alert("请选择类别！");
		return false;
	}
	else
	{
		return true;
	}
}