function MM_showHideLayers() { //v6.0
  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) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}
function js_openpage(url) {
  var newwin=window.open(url,"","toolbar=no, top=8,left=0,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=420,height=420");
  return false;
}

function js_infopen(url) {
  var newwin=window.open(url,"open","toolbar=no, top=20,left=0,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=638,height=394");
  return false;
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  var newwin=window.open(theURL,winName,features);
  return false;
}
function MM_openBrWindow2(theURL,winName,features) { //v2.0
  newWin=window.open(theURL,winName,features);
}

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_showHideLayers() { //v6.0
  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) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

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 trim(a_strVarContent) {
var pos1, pos2, newstring;
pos1 = 0;
pos2 = 0;
newstring = "" 
if ( a_strVarContent.length > 0 ) {
	for( i=0; i<=a_strVarContent.length; i++) { 
		if ( a_strVarContent.charAt(i) == " " ) pos1 = pos1 + 1;
		else break; } 
		for( i=a_strVarContent.length; i>=0 ; i--) {
		if ( a_strVarContent.charAt(i) == " " ) pos2 = pos2 + 1;
		else break; }
		newstring = a_strVarContent.substring(pos1, a_strVarContent.length-pos2) 
		} 
	return newstring; 
} 
function searchinput(){
if (trim(document.frmsearch.keywords.value) == ""){alert("ÇëÊäÈëÒªËÑË÷µÄ¹Ø¼ü´Ê");document.frmsearch.keywords.focus(); return false;}return true;}

var vbDOMtype = '';
var vBobjects = new Array();
if (document.getElementById)
{
	vbDOMtype = "std";
}
else if (document.all)
{
	vbDOMtype = "ie4";
}
else if (document.layers)
{
	vbDOMtype = "ns4";
}

function fetch_object(idname, forcefetch)
{
	if (forcefetch || typeof(vBobjects[idname]) == "undefined")
	{
		switch (vbDOMtype)
		{
			case "std":
			{
				vBobjects[idname] = document.getElementById(idname);
			}
			break;

			case "ie4":
			{
				vBobjects[idname] = document.all[idname];
			}
			break;

			case "ns4":
			{
				vBobjects[idname] = document.layers[idname];
			}
			break;
		}
	}
	return vBobjects[idname];
}