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 get_stats(guid,site_id)
	{
	referrer = escape(document.referrer); 

	if((referrer == "") || (referrer == "undefined"))
		{
		referrer = ""; 
	} 
	pagina = escape(document.location.href); 
	screens = screen.width + "x" + screen.height; 
	screenc = (navigator.appName.indexOf("Microsoft") > -1) ? screen.colorDepth : screen.pixelDepth; 
	img = "/admin/stats/stats.php?guid=" + guid + "&pagina=" + pagina + "&site_id=" + site_id + "&referrer=" + referrer + "&screensize=" + screens + "&screencolors=" + screenc; 
	img = "<img src=\"" + img + "\"/>"; 
	document.write(img);
}

function CheckSearchForm(name)
	{
	var error = 0;
	var trefwoord=document.forms[name].query.value;

	if (trefwoord.length  < 3) 
	{
		var vraag = window.alert('Het trefwoord moet uit minimaal 3 tekens bestaan.');
		document.forms[name].query.focus();
		return false;
		error = 1;
	}
	
	if (trefwoord == "" || trefwoord == "Zoeken" ) 
	{
		window.alert("Vul een Trefwoord in.");
		document.forms[name].query.focus();
		return false;
		error = 1;
	}
	
	if (error == 0)
	{
		trefwoord = trefwoord.replace(/ /g, "+")
		trefwoord = trefwoord.replace('/', "|")
		window.location.href="/?query="+trefwoord;	
	}
}

function ContactForm()
	{
	var error = 0;
	var error_msg = "Het formulier bevat de volgende fouten:\n\n";

	if (document.form1.email.value == "" ) 
	{
		error_msg += "\t- Het Email adres is niet ingevuld\n";
		error = 1;
	}
	
	if (document.form1.subject.value == "" ) 
	{
		error_msg += "\t- Er is geen onderwerp ingevuld\n";
		error = 1;
	}

	var input=document.form1.input.value;	
	if (input == ""  || input.length  < 10) 
	{
		error_msg += "\t- Het bericht moet minimal 10 tekens bevatten\n";
		error = 1;
	}

	if (error ==1)
	{
		window.alert(error_msg);	
		return false;
	}
	else 
	{
		document.form1.Submit.disabled=true
		document.form1.Submit.value='Bezig met versturen'
		document.form1.submit(); 
	}
}