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_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_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 toggleSearch()
{
	if (document.getElementById('advancedsearch').style.display == "none")
	{
		document.getElementById('advancedsearch').style.display = "";
		document.getElementById('magnifyer').src   = '/images/magnifyer_up.gif';
		document.getElementById('magnifyer').title = document.getElementById('quicksearchtitle').value;
		document.getElementById('magnifyer').alt   = document.getElementById('quicksearchtitle').value;
		document.searchform.searchtype.value       = 'advanced';
	}
	else
	{
		document.getElementById('advancedsearch').style.display = "none";
		document.getElementById('magnifyer').src   = '/images/magnifyer_down.gif';
		document.getElementById('magnifyer').title = document.getElementById('advancedsearchtitle').value;
		document.getElementById('magnifyer').alt   = document.getElementById('advancedsearchtitle').value;
		document.searchform.searchtype.value       = 'quick';
	}
	
	document.searchform.keywords.focus();
}

function checkFiletype()
{
	var allowedtypes = ".jpg,.gif,.png,.zip,.rar,.doc,.xls,.pdf,.txt";
	allowedtypes     = allowedtypes.split(",");
	
	var allowederror = "files are not permitted";

	var filetype     = document.form.file.value;
	
	if (filetype.length > 0)
	{
		filetype         = filetype.split(".");
		filetype         = "." + filetype[filetype.length - 1];
		
		var allowed      = false;
		
		for (i = 0; i < allowedtypes.length; i++)
		{
			if (filetype == allowedtypes[i])
			{
				allowed = true;
			}
		}
		
		if (!allowed)
		{
			alert(filetype + " " + allowederror);
		}
	}
	else
	{
		allowed = true;
	}
	
	return allowed;
}

function toggleDisplay(obj, status)
{
	if (status == "focus")
	{
		obj.style.border     = "1px solid #333333";
		obj.style.background = "#FFFFDF";
	}
	else
	{
		obj.style.border     = "1px solid #888888";
		obj.style.background = "#FFFFFF";
	}
}

function checkFormFields (formfields)
{
	var errorcount = 0;
	formfields = formfields.split(',');
	
	if (formfields.length > 0)
	{
		for (i = 0; i < formfields.length; i++)
		{
			if (document.getElementById(formfields[i]).value.length == 0)
			{
				errorcount++;
			}
		}
	}
	
	if (errorcount > 0)
	{
		alert("All fields marked with an * must be filled !");
		return false;
	}
	else
	{
		return checkFiletype();
	}
}