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 checkdate(input){
	var validformat=/^\d{2}\-\d{2}\-\d{4}$/ //Basic check for format validity
	var returnval=false
	if (!validformat.test(input.value))
	{
		return false;
		//alert("Invalid Date Format. Please correct and submit again.")
	}
	else
	{ //Detailed check for valid date ranges
		var dayfield=input.value.split("-")[0]
		var monthfield=input.value.split("-")[1]
		var yearfield=input.value.split("-")[2]
		var dayobj = new Date(yearfield, monthfield-1, dayfield)
		if ((dayobj.getMonth()+1!=monthfield)||(dayobj.getDate()!=dayfield)||(dayobj.getFullYear()!=yearfield))
		{
			return false;
			alert("Invalid Day, Month, or Year range detected. Please correct and submit again.")
		}
		else
		{
			returnval=true
		}
	}
	//if (returnval==false) input.select()
	return returnval
}

function checkUrl(theUrl)
{
	if(theUrl.match(/^(http|ftp)\:\/\/\w+([\.\-]\w+)*\.\w{2,4}(\:\d+)*([\/\.\-\?\&\%\#]\w+)*\/?$/i) || theUrl.match(/^mailto\:\w+([\.\-]\w+)*\@\w+([\.\-]\w+)*\.\w{2,4}$/i))
	{
		return true;
	}
	else 
	{
		return false;
	}
}


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

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

	if (document.form1.thema.value == "anders" && document.form1.thema_anders.value == "" ) 
	{
		error_msg += "\t- Er is geen thema ingevuld\n";
		error = 1;
	}


	if (!checkdate(document.form1.begin_datum))
	{
		error_msg += "\t- Vul a.u.b. een juiste begindatum in\n";
		error = 1;
	}
	if (!checkdate(document.form1.eind_datum))
	{
		error_msg += "\t- Vul a.u.b. een juiste einddatum in\n";
		error = 1;
	}

	if (document.form1.Today.value == document.form1.eind_datum.value) 
	{
		error_msg += "\t- U bent vergeten de einddatum in te vullen\n";
		error = 1;
	}
    
	if (!checkUrl(document.form1.url.value))
	{
  		error_msg += "\t- Er is geen (juiste) URL ingevuld\n";
		error = 1;
    } 
	
	var input=document.form1.input.value;	
	if (input == ""  || input.length  < 10) 
	{
		error_msg += "\t- De omschrijving moet minimaal 10 tekens bevatten\n";
		error = 1;
	}

	var input=document.form1.Pass.value;	
	if (input == ""  || input.length != 6) 
	{
		error_msg += "\t- Type de zes tekens over uit de afbeelding\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(); 
	}
}

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 E-mail 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 minimaal 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(); 
	}
}
function CheckForm()
{
	if(document.form1.thema.value == "anders")
	{
		document.getElementById("AndersInput").style.display = "block"	
	}
	else
	{
		document.getElementById("AndersInput").style.display = "none"	
	}
}

function txtOnFocus (obj) {
        obj.style.backgroundImage = '';
}

function txtOnBlur (obj,image) {
	if (obj.value == '') {
        obj.style.backgroundImage = 'url(' + image + ')';
		obj.style.backgroundRepeat = 'no-repeat';
		obj.style.backgroundPositon = 'left center';
	}
}

function txtOnFocusUrl(obj) {
		obj.style.backgroundImage = '';
}


var win=null;
function NewWindow(mypage,myname,w,h,pos,infocus){
if(pos=="random"){myleft=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;mytop=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;}
if(pos=="center"){myleft=(screen.width)?(screen.width-w)/2:100;mytop=(screen.height)?(screen.height-h)/2:100;}
else if((pos!='center' && pos!="random") || pos==null){myleft=0;mytop=20}
settings="width=" + w + ",height=" + h + ",top=" + mytop + ",left=" + myleft + ",scrollbars=yes,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no";win=window.open(mypage,myname,settings);
win.focus();}