var nn = (document.layers) ? 1:0
var ie = (document.all) ? 1:0


function ExplorerFix() 
	{ 
	for (a in document.links) document.links[a].onfocus = document.links[a].blur; 
	}


if(ie) document.onmousedown = ExplorerFix;

var loginverstuurd = 0;


function loginr(noret)
	{
	d = document.invulform;
	alg = 'Kan niet inloggen:\n';
	if (d.email.value == '' && d.pass.value == '')
		{
		alert(alg+'Geen e-mail adres en wachtwoord ingevuld!');
		d.email.focus();
		if (noret != 1) return false;
		}
	else if (d.email.value == '')
		{
		alert(alg+'Geen e-mail adres ingevuld!');
		d.email.focus();
		if (noret != 1) return false;
		}
	else if (d.pass.value == '')
		{
		alert(alg+'Geen wachtwoord ingevuld!');
		d.pass.focus();
		if (noret != 1) return false;
		}
	else
		{
		if (loginverstuurd == 0)
			{
			loginverstuurd = 1;
			if (noret != 1) return true;
			else	d.submit();
			}
		else
			{
			if (noret != 1) return false;
			}
		}
	
	}

function Help(section) 
{
//OpenWin=window.open('help?s='+section, 'Help', "width=320,height=360,toolbar=no,focus=yes,menubar=no,location=no,scrollbars=yes,resizable=no");
popUp2('help?s='+section,440,440,'Help');
}


function popUp(url,width,height,name) 
{
OpenWin=window.open(url, name, "width="+width+",height="+height+",toolbar=no,focus=yes,menubar=no,location=no,scrollbars=yes,resizable=no,status");
OpenWin.focus();
}


function popUp2(url,winwidth,winheight,name) {
	var heightspeed = 10; 
	var widthspeed = 10;  
	var leftdist = 100;    
	var topdist = 100;     
	if (document.all) {

		var sizer = window.open("",name,"left=" + leftdist + ",top=" + topdist + ",width=1,height=1,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no");
		for (sizeheight = 1; sizeheight < winheight; sizeheight += heightspeed) {
			sizer.resizeTo("1", sizeheight);
		}
		for (sizewidth = 1; sizewidth < winwidth; sizewidth += widthspeed) {
			sizer.resizeTo(sizewidth, sizeheight);
		}
		sizer.location = url;
	}
	else
		window.location = url;
}

function over(id, filename)
	{
	document.images[id].src = 'e/'+filename+'_over.gif';
	}

function out(id, filename)
	{
	document.images[id].src = 'e/'+filename+'.gif';
	}


function rollOver(imgname)
	{
	document.images[imgname].src = 'e/tabje_'+imgname+'_rollover.gif';
	}

function rollOut(imgname)
	{
	document.images[imgname].src = 'e/tabje_'+imgname+'.gif';
	}

function mouseOver(id, filename)
	{
	img = eval('document.'+id);
	if (filename != '')
		id = filename;
	img.src = 'e/'+id+'_over.gif';
	}

function mouseOut(id, filename)
	{
	img = eval('document.'+id);
	if (filename != '')
		id = filename;
	img.src = 'e/'+id+'.gif';
	}


function preloadImages() { 
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}

function vinkaan(wat, val)
{
d = document.invulform;
vink = eval('d.'+wat);
vinkimg = eval('document.'+wat+'vink');

if (vink.value != val)
	{
	vinkimg.src = 'e/form_vink_aan.gif';
	vink.value = val;
	}
else
	{
	vinkimg.src = 'e/form_vink.gif';
	vink.value = 0;
	}
}



function radioaan(wat, newval, nr, max)
{
d = document.invulform;
radio = eval('d.'+wat);
radio.value = newval;

for (i=1; i<=max; i++ )
	{
	radioimg = eval('document.'+wat+'radio'+i);
	if (i == nr)
		radioimg.src = 'e/form_radio_aan.gif';
	else
		radioimg.src = 'e/form_radio.gif';
	}
}

var arVersion = navigator.appVersion.split("MSIE")
var version = parseFloat(arVersion[1])

if ((version >= 5.5) && (document.body.filters)) 
{
   for(var i=0; i<document.images.length; i++)
   {
      var img = document.images[i]
      var imgName = img.src.toUpperCase()
      if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
      {
         var imgID = (img.id) ? "id='" + img.id + "' " : ""
         var imgClass = (img.className) ? "class='" + img.className + "' " : ""
         var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
         var imgStyle = "display:inline-block;" + img.style.cssText 
         if (img.align == "left") imgStyle = "float:left;" + imgStyle
         if (img.align == "right") imgStyle = "float:right;" + imgStyle
         if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
         var strNewHTML = "<span " + imgID + imgClass + imgTitle
         + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
         + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
         + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
         img.outerHTML = strNewHTML
         i = i-1
      }
   }
}