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) { //v4.0
  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_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 searchPage()
{
	var e = document.getElementById("searchtxt"); 
	if(e.value=="")
	{
		alert("Please enter keyword(s) to search");
		e.focus();
		return false;
	}
	if(e.value.length < 3)
	{
		alert("Please enter keyword with at least 3 characters");
		e.focus();
		return false;
	}
	window.location.href="search.php?s="+encodeURIComponent(e.value);
	//window.frames.glu.location.href="search.php?s="+e.value;
}

function changeLang(lang) {
	var f = document.langForm;
	var e1 = document.getElementById("lang");
	var e2 = document.getElementById("filename");
	var e3 = document.getElementById("type");
	e1.value = lang;
	e2.value = getFileName(location.pathname,0);
	langForm.submit();
}

function getFileName(pathname,extension) {
	var filename =
	pathname.substr(pathname.lastIndexOf("/")+1,pathname.lastIndexOf("."));
	if(extension>0) {
		filename = filename.split(".");
		return filename[filename.length-2];	
	} else {
		return filename;
	}
}