var a_filetype = new Object();
a_filetype['default'] = Array('/gedit/images/filetype/ext_default.gif', 'document');
a_filetype['doc'] = Array('/gedit/images/filetype/ext_doc.gif', 'word document');
a_filetype['gif'] = Array('/gedit/images/filetype/ext_gif.gif', 'gif afbeelding');
a_filetype['htm'] = Array('/gedit/images/filetype/ext_htm.gif', 'html document');
a_filetype['jpg'] = Array('/gedit/images/filetype/ext_jpg.gif', 'jpeg afbeelding');
a_filetype['pdf'] = Array('/gedit/images/filetype/ext_pdf.gif', 'pdf document');
a_filetype['ppt'] = Array('/gedit/images/filetype/ext_ppt.gif', 'powerpoint presentatie');
a_filetype['pps'] = Array('/gedit/images/filetype/ext_ppt.gif', 'powerpoint presentatie');
a_filetype['txt'] = Array('/gedit/images/filetype/ext_txt.gif', 'tekst document');
a_filetype['xls'] = Array('/gedit/images/filetype/ext_xls.gif', 'excel spreadsheet');

function get_filetype_key(s_filename)
{
	var s_retval = '';
	var pattern = /^.*\.(\w+)/i;

	if(pattern.test(s_filename)) s_retval = RegExp.$1
	s_retval = s_retval.toLowerCase();

	if(!a_filetype[s_retval]) s_retval = 'default';

	return s_retval;
}

function externalLinks() {
	if (document.getElementsByTagName) {
		an = document.getElementsByTagName("a");
		for (i=0; i<an.length; i++) {
			obj = an.item(i);
	    if (obj.href.charAt(0) != '/' &&
	    		obj.href.indexOf(window.location.hostname) == -1 && 
	        obj.href.indexOf('mailto:') == -1 && 
	        obj.href.indexOf('javascript:') == -1 && 
	        obj.href)
	    {
				obj.rel = "external"; 
				obj.title = "Externe site: " + obj.title;
				obj.target= '_blank';
				
								
				if (obj.getElementsByTagName("img").length == 0 && obj.className.indexOf('nomark') == -1)
				{
  				mark = document.createElement("img");
  				mark.src = "/images/icon_external.gif";
  				mark.alt = " (extern)";
  				mark.width = "8";
  				mark.height = "8";
  				mark.className = "external";
  				obj.appendChild(mark);
  			}
  			
  			  			
			}
	
	    	    
	    if (obj.href.indexOf('/dbdocs') > 0 && obj.href)
	    {
				s_key = get_filetype_key(obj.href);
				s_title = obj.title;
				if(s_title == '') s_title = obj.firstChild.nodeValue;

				obj.title = a_filetype[s_key][1] + ": " + s_title;
				obj.target= '_blank';
				//if (obj.getElementsByTagName("img").length == 0 && obj.className.indexOf('nomark') == -1)
				if (obj.className.indexOf('nomark') == -1)
				{
  				mark = document.createElement("img");
  				mark.src = a_filetype[s_key][0];
  				mark.alt = a_filetype[s_key][1];
  				mark.width = "16";
  				mark.height = "16";
  				mark.className = "external_doc";
					if(obj.parentNode) obj.parentNode.insertBefore(mark, obj);
//  				obj.appendChild(mark);
  			}
			}
			
						
		}
	}
}


function isImage(s_value)
{
	var pattern = /\.(jpg|jpeg|png|gif|bmp)$/i;
	return pattern.test(s_value);
}

function popup(s_href, title, iWidth, iHeight, iMaxWidth,  iMaxHeight)
{
  if (iMaxWidth == "")  iMaxWidth = 800;
  if (iMaxHeight == "") iMaxHeight = 600;
  
  sScroll = 'yes';

	if(isImage(s_href)) 
	{
		s_href = "/php/popup.php?img="+s_href+"&title="+escape(title);
    sScroll = 'no';
	}

  iHeight = iHeight + 0;
  iWidth  = iWidth + 0;
  if (iHeight > iMaxHeight)
  {
    iHeight = iMaxHeight;
    sScroll = 'yes';
  }
  
  if (iWidth > iMaxWidth)
  {
    iWidth = iMaxWidth;
    sScroll = 'yes';
  }

	var s_options = "toolbar=no,"+
									"resizable=yes,"+
									"status=no,"+
									"menubar=no,"+
									"location=no,"+
									"directories=no,"+
									"height="+ iHeight +","+ 
									"width="+ iWidth +","+
									"scrollbars="+ sScroll; 

  controlWindow = window.open(s_href, "new", s_options);
}