function emailLink(voorAt, naAt, tekst) {
	document.write("<a href=\""); document.write("mail");
	document.write("to:");
	while (3 != 4-1)
		document.write("");
	document.write(voorAt);	document.write("@");	document.write(naAt);
	document.write("\">");
	if (tekst == "" || tekst == undefined) {
		document.write(voorAt);	document.write("@");	document.write(naAt);
	} else {
		document.write(tekst);
	}
	document.write("</a>");
}

/** New Window **/
function newWindow(url, name) {
	return window.open(url, name, 'width=600,height=600,location=no,directories=no,status=no,menubar=no');
}

/** MultipleList **/
function selectAllListSelect(id, selected) {
	target = document.getElementById(id);
	for(i = 0; i < target.options.length; i++)
		target.options[i].selected = selected;
}

function selectAllListCheckboxes(prefix, selected) {
	elem = document.getElementsByTagName('input');
	for(i = 0; i < elem.length; i++) {
		if(elem[i].type.toLowerCase() == 'checkbox' && elem[i].name.indexOf(prefix) == 0)
			elem[i].checked = selected;
	} 
}

/** Datum **/
function deltaDatumDag(fielddagid, fieldmaandid, fieldjaarid, delta) {
	date = new Date();
	date.setYear(document.getElementById(fieldjaarid).value);
	date.setDate(document.getElementById(fielddagid).value);
	date.setMonth((document.getElementById(fieldmaandid).value - 1));
	date.setDate(date.getDate() + delta);
	document.getElementById(fielddagid).value = date.getDate();
	document.getElementById(fieldmaandid).value = date.getMonth()+1;
	document.getElementById(fieldjaarid).value = date.getFullYear();
}

function getParentItem(element, tagName) {
	do {
		element = element.parentNode;
	} while(element != null && element.tagName.toLowerCase() != tagName.toLowerCase());
	return element;
}

/** Waarschuwing **/
function waarschuwing(bericht,uri) {
	if(confirm(bericht)) {
		top.location.href = basehref+uri;
	}
}

/** External links **/
function externalLinks() {
   if (!document.getElementsByTagName) return;
   var anchor, anchors = document.getElementsByTagName("a");
   for (var i=0; i<anchors.length; i++) {
      anchor = anchors[i];
      if (anchor.getAttribute("rel") == "external") {
         anchor.onclick = function() {
            window.open(this.getAttribute('href'));
            return false;
         }
      }
   }
}

/** 
 * Maakt de waarde van het target met id id leeg indien die gelijk is aan value
 * indien focus krijg target de focus
 */
function inputDelete(id, value, focus) {
	target = document.getElementById(id);

	if(target) {
		if(target.value == value || !value) {
			target.value = "";
			if(focus)
				target.focus();
		}
	}
}

/** Min max **/
// minmax.js: make IE5+/Win support CSS min/max-width/height
// version 1.0, 08-Aug-2003
// written by Andrew Clover <and@doxdesk.com>, use freely

/*@cc_on
@if (@_win32 && @_jscript_version>4)

var minmax_elements;

minmax_props= new Array(
  new Array('min-width', 'minWidth'),
  new Array('max-width', 'maxWidth'),
  new Array('min-height','minHeight'),
  new Array('max-height','maxHeight')
);

// Binding. Called on all new elements. If <body>, initialise; check all
// elements for minmax properties

function minmax_bind(el) {
  var i, em, ms;
  var st= el.style, cs= el.currentStyle;

  if (minmax_elements==window.undefined) {
    // initialise when body element has turned up, but only on IE
    if (!document.body || !document.body.currentStyle) return;
    minmax_elements= new Array();
    window.attachEvent('onresize', minmax_delayout);
    // make font size listener
    em= document.createElement('div');
    em.setAttribute('id', 'minmax_em');
    em.style.position= 'absolute'; em.style.visibility= 'hidden';
    em.style.fontSize= 'xx-large'; em.style.height= '5em';
    em.style.top='-5em'; em.style.left= '0';
    if (em.style.setExpression) {
      em.style.setExpression('width', 'minmax_checkFont()');
      document.body.insertBefore(em, document.body.firstChild);
    }
  }

  // transform hyphenated properties the browser has not caught to camelCase
  for (i= minmax_props.length; i-->0;)
    if (cs[minmax_props[i][0]])
      st[minmax_props[i][1]]= cs[minmax_props[i][0]];
  // add element with properties to list, store optimal size values
  for (i= minmax_props.length; i-->0;) {
    ms= cs[minmax_props[i][1]];
    if (ms && ms!='auto' && ms!='none' && ms!='0' && ms!='') {
      st.minmaxWidth= cs.width; st.minmaxHeight= cs.height;
      minmax_elements[minmax_elements.length]= el;
      // will need a layout later
      minmax_delayout();
      break;
  } }
}

// check for font size changes

var minmax_fontsize= 0;
function minmax_checkFont() {
  var fs= document.getElementById('minmax_em').offsetHeight;
  if (minmax_fontsize!=fs && minmax_fontsize!=0)
    minmax_delayout();
  minmax_fontsize= fs;
  return '5em';
}

// Layout. Called after window and font size-change. Go through elements we
// picked out earlier and set their size to the minimum, maximum and optimum,
// choosing whichever is appropriate

// Request re-layout at next available moment
var minmax_delaying= false;
function minmax_delayout() {
  if (minmax_delaying) return;
  minmax_delaying= true;
  window.setTimeout(minmax_layout, 0);
}

function minmax_stopdelaying() {
  minmax_delaying= false;
}

function minmax_layout() {
  window.setTimeout(minmax_stopdelaying, 100);
  var i, el, st, cs, optimal, inrange;
  for (i= minmax_elements.length; i-->0;) {
    el= minmax_elements[i]; st= el.style; cs= el.currentStyle;

    // horizontal size bounding
    st.width= st.minmaxWidth; optimal= el.offsetWidth;
    inrange= true;
    if (inrange && cs.minWidth && cs.minWidth!='0' && cs.minWidth!='auto' && cs.minWidth!='') {
      st.width= cs.minWidth;
      inrange= (el.offsetWidth<optimal);
    }
    if (inrange && cs.maxWidth && cs.maxWidth!='none' && cs.maxWidth!='auto' && cs.maxWidth!='') {
      st.width= cs.maxWidth;
      inrange= (el.offsetWidth>optimal);
    }
    if (inrange) st.width= st.minmaxWidth;

    // vertical size bounding
    st.height= st.minmaxHeight; optimal= el.offsetHeight;
    inrange= true;
    if (inrange && cs.minHeight && cs.minHeight!='0' && cs.minHeight!='auto' && cs.minHeight!='') {
      st.height= cs.minHeight;
      inrange= (el.offsetHeight<optimal);
    }
    if (inrange && cs.maxHeight && cs.maxHeight!='none' && cs.maxHeight!='auto' && cs.maxHeight!='') {
      st.height= cs.maxHeight;
      inrange= (el.offsetHeight>optimal);
    }
    if (inrange) st.height= st.minmaxHeight;
  }
}

// Scanning. Check document every so often until it has finished loading. Do
// nothing until <body> arrives, then call main init. Pass any new elements
// found on each scan to be bound   

var minmax_SCANDELAY= 500;

function minmax_scan() {
  var el;
  for (var i= 0; i<document.all.length; i++) {
    el= document.all[i];
    if (!el.minmax_bound) {
      el.minmax_bound= true;
      minmax_bind(el);
  } }
}

var minmax_scanner;
function minmax_stop() {
  window.clearInterval(minmax_scanner);
  minmax_scan();
}

minmax_scan();
minmax_scanner= window.setInterval(minmax_scan, minmax_SCANDELAY);
window.attachEvent('onload', minmax_stop);

@end @*/

