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) { //v4.01
  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 ShowArrangemneten(){
  window.showModalDialog("dialog.php?page=arrangementen", '', "dialogWidth:570px; dialogHeight:500px; center:yes; help:no; resizable:no; status:no, scroll:yes;");
}

function ShowMaps(maptype){
  window.showModalDialog("maps.php?type=" + maptype, '', "dialogWidth:550px; dialogHeight:400px; center:yes; help:no; resizable:no; status:no, scroll:yes;");
}

function verifyres(form){
	error	=	'';
	
	if (form.contactpersoon.value == ''){
		error	+=	'- Contactpersoon\n';
	}
	
	if (form.adres.value == ''){
		error	+=	'- Adres\n';
	}	
	
	if (form.postcode.value == ''){
		error	+=	'- Postcode\n';
	}
	
	if (form.woonplaats.value == ''){
		error	+=	'- Woonplaats\n';
	}
	
	if (form.emailadres.value == ''){
		error	+=	'- E-Mail adres\n';
	}
	
	if (form.aantalsolexen.value == ''){
		error	+=	'- Aantal Solexen\n';
	}
	
	if (form.arrangement.value == ''){
		error	+=	'- Arrangement\n';
	}
	
	if (form.res_dag.value == ''){
		error	+=	'- Datum (dag)\n';
	}	
	
	if (form.res_maand.value == ''){
		error	+=	'- Datum (maand)\n';
	}
	
	if (form.res_jaar.value == ''){
		error	+=	'- Datum (jaar)\n';
	}	
	
	if (form.dagdeel.value == ''){
		error	+=	'- Dagdeel\n';
	}	
	
	bmsg	=	'De volgende velden zijn niet correct of volledig ingevuld.\n\n';
	amsg	=	'\nVerbeter deze velden en probeer het opnieuw';
	if (error != ''){
		alert(bmsg + error + amsg);
		return false;
	}else{
		return true;
	}
}