function printPage() {
  if (window.print)
    window.print();
  else
    alert("Din browser kan ikke udføre denne funktion");
}

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) { //v3.0
  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); 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 MM_showHideLayers() { //v3.0
  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_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function validate(Form) {
 
 if (Form.Navn.value == "")
   {
    alert("Du mangler at udfylde Navn");
    Form.Navn.focus();
    return (false);
   }
if (Form.Cpr.value.length<11)
   {
    alert("Du har ikke indtastet cpr.nr. korrekt. Du mangler nogle tal. Cpr.nr. = xxxxxx-xxxx");
    Form.Cpr.focus();
    return (false);
   }
if (Form.Cpr.value.length>11)
   {
    alert("Du har ikke indtastet cpr.nr. korrekt. Du har skrevet for mange tal. Cpr.nr. = xxxxxx-xxxx");
    Form.Cpr.focus();
    return (false);
   }
if (Form.Adresse.value == "")
   {
    alert("Du mangler at udfylde Adresse");
    Form.Adresse.focus();
    return (false);
   }
if (Form.Postnr.value == "")
   {
    alert("Du mangler at udfylde Postnummer");
    Form.Postnr.focus();
    return (false);
   }
if (Form.By.value == "")
   {
    alert("Du mangler at udfylde By");
    Form.By.focus();
    return (false);
   }
if (Form.email.value == "")
   {
    alert("Du mangler at udfylde Privat e-mail");
    Form.email.focus();
    return (false);
   }
if (Form.Studiets_startdato.value == "")
   {
    alert("Du mangler at udfylde Studiet påbegyndt");
    Form.Studiets_startdato.focus();
    return (false);
   }
 if (Form.Studiets_slutdato.value == "")
   {
    alert("Du mangler at udfylde Forventes afsluttet");
    Form.Studiets_slutdato.focus();
    return (false);
   }
 return (true);
  }
  
 function formValidationAendreData(thisform) {
	with (thisform) {
		if (emptyValidation(Navn, "Du skal skrive dit navn!") == false) {
			Navn.focus();
			return false;
		}
		
		if (emptyValidation(Medlemsnummer, "Du skal skrive dit medlemsnummer.!") == false) {
			Medlemsnummer.focus();
			return false;
		}
	}
} 

function pviiClassNew(obj, new_style) {
    obj.className = new_style;
}

  var detect = navigator.userAgent.toLowerCase();
	var OS,browser,version,total,thestring;
	
	if (checkIt('konqueror'))
	{
		browser = "Konqueror";
		OS = "Linux";
	}
	else if (checkIt('safari')) browser = "Safari"
	else if (checkIt('omniweb')) browser = "OmniWeb"
	else if (checkIt('opera')) browser = "Opera"
	else if (checkIt('webtv')) browser = "WebTV";
	else if (checkIt('icab')) browser = "iCab"
	else if (checkIt('msie')) browser = "Internet Explorer"
	else if (!checkIt('compatible'))
	{
		browser = "Netscape Navigator"
		version = detect.charAt(8);
	}
	else browser = "An unknown browser";
	
	if (!version) version = detect.charAt(place + thestring.length);
	
	if (!OS)
	{
		if (checkIt('linux')) OS = "Linux";
		else if (checkIt('x11')) OS = "Unix";
		else if (checkIt('mac')) OS = "Mac"
		else if (checkIt('win')) OS = "Windows"
		else OS = "an unknown operating system";
	}
	
	function checkIt(string)
	{
		place = detect.indexOf(string) + 1;
		thestring = string;
		return place;
	}