/**
 * This array is used to remember mark status of rows in browse mode
 */
var marked_row = new Array;


/**
 * Sets/unsets the pointer and marker in browse mode
 *
 * @param   object    the table row
 * @param   interger  the row number
 * @param   string    the action calling this script (over, out or click)
 * @param   string    the default background color
 * @param   string    the color to use for mouseover
 * @param   string    the color to use for marking a row
 *
 * @return  boolean  whether pointer is set or not
 */
function setPointer(theRow, theRowNum, theAction, theDefaultColor, thePointerColor, theMarkColor)
{
    var theCells = null;
    theDefaultColor = "transparent";

    // 1. Pointer and mark feature are disabled or the browser can't get the
    //    row -> exits
    if ((thePointerColor == '' && theMarkColor == '')
        || typeof(theRow.style) == 'undefined') {
        return false;
    }

    // 2. Gets the current row and exits if the browser can't get it
    if (typeof(document.getElementsByTagName) != 'undefined') {
        theCells = theRow.getElementsByTagName('td');
    }
    else if (typeof(theRow.cells) != 'undefined') {
        theCells = theRow.cells;
    }
    else {
        return false;
    }

    // 3. Gets the current color...
    var rowCellsCnt  = theCells.length;
    var domDetect    = null;
    var currentColor = null;
    var newColor     = null;
    // 3.1 ... with DOM compatible browsers except Opera that does not return
    //         valid values with "getAttribute"
    if (typeof(window.opera) == 'undefined'
        && typeof(theCells[0].getAttribute) != 'undefined') {
        currentColor = theCells[0].getAttribute('bgcolor');
        domDetect    = true;
    }
    // 3.2 ... with other browsers
    else {
        currentColor = theCells[0].style.backgroundColor;
        domDetect    = false;
    } // end 3

    // 4. Defines the new color
    // 4.1 Current color is the default one
    if (currentColor == ''
        || currentColor.toLowerCase() == theDefaultColor.toLowerCase()) {
        if (theAction == 'over' && thePointerColor != '') {
            newColor              = thePointerColor;
        }
        else if (theAction == 'click' && theMarkColor != '') {
            newColor              = theMarkColor;
            marked_row[theRowNum] = true;
        }
    }
    // 4.1.2 Current color is the pointer one
    else if (currentColor.toLowerCase() == thePointerColor.toLowerCase()
             && (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])) {
        if (theAction == 'out') {
            newColor              = theDefaultColor;
        }
        else if (theAction == 'click' && theMarkColor != '') {
            newColor              = theMarkColor;
            marked_row[theRowNum] = true;
        }
    }
    // 4.1.3 Current color is the marker one
    else if (currentColor.toLowerCase() == theMarkColor.toLowerCase()) {
        if (theAction == 'click') {
            newColor              = (thePointerColor != '')
                                  ? thePointerColor
                                  : theDefaultColor;
            marked_row[theRowNum] = (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])
                                  ? true
                                  : null;
        }
    } // end 4

    // 5. Sets the new color...
    if (newColor) {
        var c = null;
        // 5.1 ... with DOM compatible browsers except Opera
        if (domDetect) {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].setAttribute('bgcolor', newColor, 0);
            } // end for
        }
        // 5.2 ... with other browsers
        else {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].style.backgroundColor = newColor;
            }
        }
    } // end 5

    return true;
}
// end of the 'setPointer()' function

// controleer invoer
function controleerinvoer()
{
  function CheckDate(datum)
  {
    var date_pattern = /^((([0-2]{1})?[0-9]{1})|(3[0-1]{1}))\/((0?[1-9]{1})|(1[0-2]{1}))\/(19|20)[0-9]{2}$/;
    if (!date_pattern.exec(datum))
  {
    return false;
  }
  return true;
  }

  var errors=0;


  if (document.frm.titel.value == "" && errors == 0)
  {
    alert('Gelieve het titelveld in te vullen a.u.b.');
    document.frm.titel.focus();
    return(false);
    errors++;
  }

  if (document.frm.tekst_kort.value == "" && errors == 0)
  {
    alert('Gelieve de inleiding in te vullen a.u.b.');
    document.frm.tekst_kort.focus();
    return(false);
    errors++;
  }

  if (document.frm.tekst_lang.value == "" && errors == 0)
  {
    alert('Gelieve het berichtveld in te vullen a.u.b.');
    document.frm.tekst_lang.focus();
    return(false);
    errors++;
  }

  if (document.frm.vervaldag.value == "" && errors == 0)
  {
    alert('Gelieve de vervaldag van dit bericht in te vullen a.u.b.');
    document.frm.vervaldag.focus();
    return(false);
    errors++;
  }

  if ((document.frm.vervaldag.value != "" && (!CheckDate(document.frm.vervaldag.value))) && errors == 0)
  {
    alert('Gelieve een correcte vervaldatum in te vullen a.u.b.');
    document.frm.vervaldag.focus();
    return(false);
    errors++;
  }

  if (document.frm.datum_voor_datumlijst.checked == true && document.frm.datum_datumlijst.value == "")
  {
    alert('Gelieve een correcte datum in te vullen a.u.b.');
    document.frm.vervaldag.focus();
    return(false);
    errors++;
  }

  if ((document.frm.datum_datumlijst.value != "" && (!CheckDate(document.frm.datum_datumlijst.value))) && errors == 0)
  {
    alert('Gelieve een correcte datum in te vullen a.u.b.');
    document.frm.datum_voor_datumlijst.focus();
    return(false);
    errors++;
  }


  if (errors == 0)
  {
    janee = window.confirm('Wilt u de aanpassingen doorvoeren ?');
  }
  if (janee)
  {
    return (true);
  }
  else return(false);
}

// einde controleer invoer
//<script>


function clientSideInclude(id, url) {
var req = false;
// For Safari, Firefox, and other non-MS browsers
if (window.XMLHttpRequest) {
try {
req = new XMLHttpRequest();
} catch (e) {
req = false;
}
} else if (window.ActiveXObject) {
// For Internet Explorer on Windows
try {
req = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
req = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {
req = false;
}
}
}
var element = document.getElementById(id);
if (!element) {
alert("Bad id " + id +
"passed to clientSideInclude." +
"You need a div or span element " +
"with this id in your page.");
return;
}
if (req) {
// Synchronous request, wait till we have it all
req.open('GET', url, false);
req.send(null);
element.innerHTML = req.responseText;
} else {
element.innerHTML =
"Sorry, your browser does not support " +
"XMLHTTPRequest objects. This page requires " +
"Internet Explorer 5 or better for Windows, " +
"or Firefox for any system, or Safari. Other " +
"compatible browsers may also exist.";
}
}

//</script>