var marked_row = new Array;

function setPointer(theRow, theRowNum, theAction, theDefaultColor, thePointerColor, theMarkColor)

{
    var theCells = null;

    // 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

    // 3.3 ... Opera changes colors set via HTML to rgb(r,g,b) format so fix it
    if (currentColor.indexOf("rgb") >= 0)
      {
        var rgbStr = currentColor.slice(currentColor.indexOf('(') + 1,
                                     currentColor.indexOf(')'));
        var rgbValues = rgbStr.split(",");
        currentColor = "#";
        var hexChars = "0123456789ABCDEF";
        for (var i = 0; i < 3; i++)
        {
            var v = rgbValues[i].valueOf();
            currentColor += hexChars.charAt(v/16) + hexChars.charAt(v%16);
        }
      }

    // 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


var monat_tage = new Array(0,31,28,31,30,31,30,31,31,30,31,30,31); 

function datum_änd(feldnr,p)
{
   var idfeld='id_feld[' + feldnr + ']';
   var dattext=document.getElementById(idfeld).value;

	var max=dattext.length;
	
	if (max==0)
	{
	  return;
	}
		

	if (max<4)
	{
		alert(document.getElementById('id_meldung409').value);
		document.getElementById(idfeld).value="";
		return;
	}
	
	if (max==4)
	{
	  if (p==1)   // nur bei Geburtsdatum mit Feld Jahrgang
	   {
	    feldnr++;
	    idfeld='id_feld[' + feldnr + ']';
	    document.getElementById(idfeld).value = dattext;
	  }	

	return;
	}
	
	if (max==0) {return;}
	if (max<8)
	{
		alert(document.getElementById('id_meldung409').value);
		document.getElementById(idfeld).value="";
		return;
	}

	if (max==10) {dattext = dattext.substring(0,2) + dattext.substring(3,5) + dattext.substring(6,10); }
	
	

	var tag=dattext.substring(0,2)*100/100;
	var monat=dattext.substring(2,4)*100/100;
	var jahr=dattext.substring(4,8);
	
	if (monat<1 || monat>12)    // kontrolle Monat
	{
		alert(document.getElementById('id_meldung418').value);
		document.getElementById(idfeld).value="";
		return;
	}
	
	monat_tage[2] = 28;
	if((parseInt(jahr/4))==(jahr/4))  {monat_tage[2] = 29;}
	
	if (tag>monat_tage[monat])    // kontrolle Tage
	{
		alert(document.getElementById('id_meldung419').value);
		document.getElementById(idfeld).value="";
		return;
	}	

	document.getElementById(idfeld).value = dattext.substring(0,2) + "." + dattext.substring(2,4) + "." + dattext.substring(4,8);

	if (p==1)   // nur bei Geburtsdatum mit Feld Jahrgang
	{
	  feldnr++;
	  idfeld='id_feld[' + feldnr + ']';
	  document.getElementById(idfeld).value = dattext.substring(4,8)
	}
	
}   // Datumkontrolle ende

function progamm_open(programm , progtext, breite, hoehe, left, top, menub, toolb, url, scrolb, fenster, status)
 {
  if (programm.length==0) {return;}  // Link leeer
  if (breite.length==0) {breite=1010;}  // Fensterbreite
  if (hoehe.length==0) {hoehe=720;}   // Fensterhöhe
  if (left.length==0) {left=1;}     // Fenster links
  if (top.length==0) {top=1;}     // Fenster rechts
  if (menub.length==0) {menub="no";}     // Menü Balken
  if (toolb.length==0) {toolb="no";}     // Menü tools
  if (url.length==0) {toolb="no";}     // Url link eingabe
  if (scrolb.length==0) {scrolb="no";}     // Fenster rolen
  if (fenster.length==0) {fenster="no";}     // Fenster veränderbar
  if (status.length==0) {status="no";}     // Fenster rechts

  var progopen=window.open(programm, "", "width=" + breite + ", height=" + hoehe + ", left=" + left + ", top=" + top + ", menubar=" + menub + ", toolbar=" + toolb + ", location=" + url + ",  scrollbars=" + scrolb + ", resizable=" + fenster + ",  status=" + status + " ");
  progopen.focus();
 }