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) { //v4.0
  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];}
}

var newwin;

function launchwin(winurl,winname,winfeatures)
{
	//This launches a new window and then
	//focuses it if window.focus() is supported.
	newwin = window.open(winurl,winname,winfeatures);
}

function printPage() {
  if (window.print) {
  window.print();
  }
  else{ 
  alert(":: Your system does not support this function.\n:: Use the 'print' button from your browser or press 'ctrl'+'p' ('command'+'p' for Mac)"); 
  }
}

function disp_alert_ned()
{
alert("Omdat het cursusaanbod van Cactus Muziekcentrum even in een lagere versnelling draait, verwijzen we u voor cursussen allerhande graag door naar het aanbod van Stricto Tempo!")
}

function disp_alert_fra()
{
alert("Omdat het cursusaanbod van Cactus Muziekcentrum even in een lagere versnelling draait, verwijzen we u voor cursussen allerhande graag door naar het aanbod van Stricto Tempo!")
}

var win=null;
function NewWindow(mypage,myname,w,h,scroll,pos)
		{
		if(pos=="random")
		{
			LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;
			TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;
		}
		if(pos=="center")
		{
			LeftPosition=(screen.width)?(screen.width-w)/2:100;
			TopPosition=(screen.height)?(screen.height-h)/2:100;
		}
		else if((pos!="center" && pos!="random") || pos==null)
		{
			LeftPosition=0;
			TopPosition=20;
		}
		settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
		win=window.open(mypage,myname,settings);
		}
		
function checkrequired(which)
{
var pass=true
for (i=0;i<which.length;i++)
{
var tempobj=which.elements[i]
if (tempobj.name.substring(0,2)=="R_"){
   if (((tempobj.type=="text"||tempobj.type=="textarea")&&tempobj.value=='')||(tempobj.type.toString().charAt(0)=="s"&&tempobj.selectedIndex==-1)){
      pass=false
      break
}
}
}
if (!pass){

   alert("Eén of meerdere verplichte velden zijn niet ingevuld, vervolledig deze en verstuur uw gegevens opnieuw")
        return false
}
else
return true
}