function MM_openBrWindow(theURL,winName,features) { //v2.0
	features = features + ",left=500,toolbar=0,menubar=0,location=0,resizable=0,status=0"
  window.open(theURL,winName,features);
//console.log(features);
}

var newwindow;
function poptastic(url,name, dim)
{
if(dim == undefined){
var dim="height=360,width=360"
}
	newwindow=window.open(url,name,dim,toolbar=no);
	if (window.focus) {newwindow.focus()}
}

function msie_replace_png_imgs() {
  if (!is_msie()) return;
  var i, elements;
  elements = document.getElementsByTagName("img");
  for (i = 0; i < elements.length; i++) {
    var img = elements[i];
    if (img.src.toLowerCase().search(/\.png$/) < 0) continue;
    img.style.filter =
      "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + img.src  + "', sizingMethod='image')";
    img.src = "/images/spacer.gif";
  }
  elements = document.getElementsByTagName("input");
  for (i = 0; i < elements.length; i++) {
    var input = elements[i];
    if (input.getAttribute("type") != "image") continue;
    if (input.getAttribute("src").toLowerCase().search(/\.png$/) < 0)
      continue;
    input.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + input.src  + "', sizingMethod='image')";
    input.src = "/images/spacer.gif";
  }
}

function is_msie() {
  return navigator.userAgent.toLowerCase().indexOf("msie") != -1; 
}

function addfield(){
	var existingfields = $$('.veldcommentaar1').length;
	var newcounter = existingfields;
	newcounter ++;
	// alert (existingfields);
	var fieldcounter = $('aantalop');
	var insertafter = $('extraverzoek');
	var id='10';
	var field = Builder.node('p',"ruimte/vertrek",
					Builder.node('input',{'type':'text', 'name':'ruimte'+newcounter,'class':'veld1'})
				);
	var area = Builder.node('p',"Opmerkingen",
					Builder.node('textarea',{'name':'opmerkingen'+newcounter, 'class':'veldcommentaar1', 'rows':'3'}),
					Builder.node('br'),
					Builder.node('br')
				);
	insertafter.insert({before:field});
	field.insert({after:area});
	fieldcounter.value=newcounter;
	// alert("oi");
}