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 submitLogin() {
  var submitdata = true
  var errorstr = ""
  
  errorstr = "De volgende gegevens ontbreken of zijn niet compleet:\n";

  
  if (document.login.username.value.length==0)
     {
       errorstr = errorstr + "\n" + "  - Username";
       submitdata = false;
     }     
     
  if (document.login.password.value.length==0)
     {
       errorstr = errorstr + "\n" + "  - Password";
       submitdata = false;
     }
     
  if (submitdata==true)
   {
     document.login.submit();
   }
   else
   {
     alert(errorstr);
   }
}

function openVoorwaarden() {
  var height=480;
  var width=640;
  var left=(screen.width-width)/2;
  var top=(screen.height-height)/2;
  var mywindow=window.open("voorwaarden.php","requestwindow","alwaysRaised, dependent, toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width="+width+",height="+height+",top="+top+",left="+left+",");

}


function writeOverlay(){
	document.write('<div id="divOverlay" class="divOverlay"></div>');	
}

function writeLoading(){
	document.write('<div id="divLoading" class="divLoading">Een moment geduld a.u.b.<br>De download wordt samengesteld.</div>');	
	hideLoading();
}

function writeSending(){
	document.write('<div id="divSending" class="divLoading">Een moment geduld a.u.b.<br>De download wordt nu verstuurd.</div>');	
	hideSending();
}

function getOverlay(){
	overlayObj = MM_findObj('divOverlay');
	if(!overlayObj){
		overlayObj = MM_findObj('divOverlay',parent.document);
	}
	if(!overlayObj){
		overlayObj = MM_findObj('divOverlay',self.opener.document);
	}
	return overlayObj;
}


function getLoading(){
	loadingObj = MM_findObj('divLoading');
	if(!loadingObj){
		loadingObj = MM_findObj('divLoading',parent.document);
	}
	if(!loadingObj){
		loadingObj = MM_findObj('divLoading',self.opener.document);
	}
	return loadingObj;
}


function hideLoading(){		
	overlayObj = getOverlay();
	if(overlayObj){
		overlayObj.style.display = 'none';
	}		
	loadingObj = getLoading();
	if(loadingObj){
		loadingObj.style.display = 'none';		
	}		
}

function showLoading(){
	overlayObj = getOverlay();
	if(overlayObj){
		overlayObj.style.display = '';
	}
	loadingObj = getLoading();
	if(loadingObj){
		loadingObj.style.display = '';		
	}
}

function getSending(){
	loadingObj = MM_findObj('divSending');
	if(!loadingObj){
		loadingObj = MM_findObj('divSending',parent.document);
	}
	if(!loadingObj){
		loadingObj = MM_findObj('divSending',self.opener.document);
	}
	return loadingObj;
}


function hideSending(){		
	overlayObj = getOverlay();
	if(overlayObj){
		overlayObj.style.display = 'none';
	}		
	loadingObj = getSending();
	if(loadingObj){
		loadingObj.style.display = 'none';		
	}		
}

function showSending(){
	overlayObj = getOverlay();
	if(overlayObj){
		overlayObj.style.display = '';
	}
	loadingObj = getSending();
	if(loadingObj){
		loadingObj.style.display = '';		
	}
}