function doPopup(strPopupfile, intPopW, intPopH, strScrollbars) {
	var intW = intPopW, intH = intPopH;
	if (document.all || document.layers) {
		intW = screen.availWidth;
		intH = screen.availHeight;
	}

	var intLeftPos = (intW-intPopW) / 2;
	var intTopPos = (intH-intPopH) / 2;

	window.open(strPopupfile,"popup"+intPopW,"width="+intPopW+",height="+intPopH+",top="+intTopPos+",left="+intLeftPos+",scrollbars=" + strScrollbars);
}

function doPopupImageServer(strFieldName) {
  var url = "../inc/FCKeditor/editor/filemanager/browser/default/browser.html?Type=Afbeelding&Connector=connectors/asp/connector.asp&connimage=true&fieldname=" + strFieldName;
  var width = 600;
  var height = 500;

  var iLeft = (screen.width  - width) / 2 ;
	var iTop  = (screen.height - height) / 2 ;

	var sOptions = "toolbar=no,status=no,resizable=yes,dependent=yes" ;
	sOptions += ",width=" + width ;
	sOptions += ",height=" + height ;
	sOptions += ",left=" + iLeft ;
	sOptions += ",top=" + iTop ;

  doPopup(url, width, height, "no");
}

function doPopupFileServer(strFieldName) {
  var url = "../inc/FCKeditor/editor/filemanager/browser/default/browser.html?Type=Bestand&Connector=connectors/asp/connector.asp&connimage=true&fieldname=" + strFieldName;
  var width = 600;
  var height = 500;

  var iLeft = (screen.width  - width) / 2 ;
	var iTop  = (screen.height - height) / 2 ;

	var sOptions = "toolbar=no,status=no,resizable=yes,dependent=yes" ;
	sOptions += ",width=" + width ;
	sOptions += ",height=" + height ;
	sOptions += ",left=" + iLeft ;
	sOptions += ",top=" + iTop ;

  doPopup(url, width, height, "no");
}