var x, y;
window.onload = init;


var lastImg;

lastElementID = 0;

function changeImage(id,currimg,newimg)
{
    if(lastElementID != 0)
        document[lastElementID].src = lastImg;

	lastImg = currimg;
	lastElementID = id;
	document[id].src = newimg;
}

function swapImage(id,newimg)
{
    if(id != lastElementID){
        document[id].src = newimg;
	}
}

function init() {
  if (window.Event) {
    document.captureEvents(Event.MOUSEMOVE);
  }
  document.onmousemove = getXY;
}

function getXY(e) {

	
  //x = (window.Event) ? e.pageX : event.clientX;
  //y = (window.Event) ? e.pageY : event.clientY;
	if (window.Event) {
		x =	e.screenX;
		y = e.screenY;
	}
	else {
		x = window.event.screenX;
        y = window.event.screenY;
	}
}

function frmChange(daten) {
	var aFrames = daten.split("|");
	for (i=0; i<aFrames.length; i++) {
		sDaten = aFrames[i];
		iLinks = sDaten.indexOf("{");
		iRechts = sDaten.indexOf("}");
		  //alert(sDaten+" "+iLinks+"/"+iRechts);
		sFrameName = sDaten.substr(0, iLinks);
		sFrameURL = sDaten.substr(iLinks+1, (iRechts-iLinks-1));
		 //alert("Frame: "+sFrameName);
		 //alert("URL: "+sFrameURL);
		top.frames[sFrameName].location.href=sFrameURL;
	}
	return false;
}

function mOver(src, clOver){
  src.style.cursor = 'hand';
  src.bgColor = clOver;
}
function mOut(src, clOut){
  src.style.cursor = 'default';
  src.bgColor = clOut;
}
function mClick(src){
  if(event.srcElement.tagName == 'TD'){
    src.children.tags('A')[0].click();
  }
}

function ValidDate(TestDate) {

	if (!TestDate) return false;
 	TestDate=TestDate.toString();

	DatePart = TestDate.split(".");
 	if (DatePart.length!=3) return false;

 	DatePart[0]=parseInt(DatePart[0],10);
 	DatePart[1]=parseInt(DatePart[1],10)-1;

	if (DatePart[2].length==2) return false;

	var ControlDate = new Date(DatePart[2],DatePart[1],DatePart[0]);

	if (ControlDate.getDate() == DatePart[0] && ControlDate.getMonth() == DatePart[1] && ControlDate.getFullYear() == DatePart[2])
    return true;
  else
		return false;
}

function NewCalendar(Path,Session,DayField,MonthField,YearField,FormObj,FormStr,Datum1,Datum2,AnzMode) {

	if ((FormObj.elements[DayField].value != "") && (FormObj.elements[MonthField].value != "") && (FormObj.elements[YearField].value != "")) {
		if (ValidDate(FormObj.elements[DayField].value + '.' + FormObj.elements[MonthField].value + '.' + FormObj.elements[YearField].value)) {
			Datum1 = FormObj.elements[DayField].value + '.' + FormObj.elements[MonthField].value + '.' + FormObj.elements[YearField].value;
		}
		else {
			FormObj.elements[DayField].value = "";
			FormObj.elements[MonthField].value = "";
			FormObj.elements[YearField].value = "";
		}
	}

	iWidth = 200;
	iHeight = 128;

	posX = Math.round((screen.availWidth-iWidth)/2);
	posY = Math.round((screen.availHeight-iHeight)/2);

	if (AnzMode == "1") {
		var NewWindow = window.open(Path + '/calendar.php?PHPSESSID=' + Session + '&firstdate=' + Datum1 + '&lastdate=' + Datum2 + '&mode=' + AnzMode + '&dayfield=' + DayField + '&monthfield=' + MonthField + '&yearfield=' + YearField + '&formstr=' + FormStr, 'Zweitfenster', 'width=' + iWidth + ',height=' + iHeight + ',left=' + posX + ',top=' + posY + ',noscrollbars');
		NewWindow.focus();
 	}
	if (AnzMode == "2") {
		var NewWindow = window.open(Path + '/calendar.php?PHPSESSID=' + Session + '&firstdate=' + Datum1 + '&lastdate=' + Datum2 + '&mode=' + AnzMode, 'Zweitfenster', 'width=600,height=520,scrollbars');
		NewWindow.focus();
 	}
}

function NewCalendarEx(Path,Session,DayField,MonthField,YearField,FormObj,FormStr) {

	if ((FormObj.elements[DayField].value != "") && (FormObj.elements[MonthField].value != "") && (FormObj.elements[YearField].value != "")) {
		if (ValidDate(FormObj.elements[DayField].value + '.' + FormObj.elements[MonthField].value + '.' + FormObj.elements[YearField].value)) {
			Datum1 = FormObj.elements[DayField].value + '.' + FormObj.elements[MonthField].value + '.' + FormObj.elements[YearField].value;
		}
		else {
			FormObj.elements[DayField].value = "";
			FormObj.elements[MonthField].value = "";
			FormObj.elements[YearField].value = "";
		}
	}

	iWidth = 200;
	iHeight = 128;

	posX = x;
	posY = y - 128;

	var NewWindow = window.open(Path + '/calendar.php?PHPSESSID=' + Session + '&mode=1&dayfield=' + DayField + '&monthfield=' + MonthField + '&yearfield=' + YearField + '&formstr=' + FormStr + '&bsubmit=1', 'CalendarEx', 'width=' + iWidth + ',height=' + iHeight + ',left=' + posX + ',top=' + posY + ',noscrollbars');
	NewWindow.focus();
	
	return NewWindow;
}

function NewColorPicker(Path,Session,InputField,PreviewField,FormObj,FormStr)
{
	iWidth = 370;
	iHeight = 366;

	posX = Math.round((screen.availWidth-iWidth)/2);
	posY = Math.round((screen.availHeight-iHeight)/2);

	var NewWindow = window.open(Path + '/util_colorpicker.php?PHPSESSID=' + Session + '&inputfield=' + InputField + '&previewfield=' + PreviewField + '&formstr=' + FormStr, 'Zweitfenster', 'width=' + iWidth + ',height=' + iHeight + ',left=' + posX + ',top=' + posY +',noscrollbars');
	NewWindow.focus();

}

function NewTask(Path,Session,args)
{
	iWidth = 450;
	iHeight = 470;

	posX = Math.round((screen.availWidth-iWidth)/2);
	posY = Math.round((screen.availHeight-iHeight)/2);

	var NewWindow = window.open(Path + '/scheduler_edit.php?PHPSESSID=' + Session + args, 'Terminfenster', 'width=' + iWidth + ',height=' + iHeight + ',left=' + posX + ',top=' + posY +',noscrollbars');
	NewWindow.focus();

}

function NewAdressBook(Path,Session,InputField,FormStr)
{
	iWidth = 600;
	iHeight = 400;

	posX = Math.round((screen.availWidth-iWidth)/2);
	posY = Math.round((screen.availHeight-iHeight)/2);

	var NewWindow = window.open(Path + '/adressbook.php.?PHPSESSID=' + Session + '&inputfield=' + InputField  + '&formstr=' + FormStr , 'Adressbuch', 'width=' + iWidth + ',height=' + iHeight + ',left=' + posX + ',top=' + posY +',scrollbars');
	NewWindow.focus();

}
function NewTasksOverview(Path,Session)
{
	iWidth = 327;
	iHeight = 300;

    posX = x;
	posY = y - iHeight - 20;

	var NewWindow = window.open(Path + '/tasks_overview.php?PHPSESSID=' + Session, 'Tasks', 'width=' + iWidth + ',height=' + iHeight + ',left=' + posX + ',top=' + posY +',scrollbars');
	NewWindow.focus();
	
}

function isType(Transmitter,Value,Type) {

	// Variablen festlegen

//	alert(Value);

	var isOK = true;
  var isNumber = false;
	var Length1 = '';
	var Length2 = '';

	// Suche nach Längenangaben im Typ

 	if ((Type.indexOf("(") != '-1') && (Type.indexOf(",") == '-1')) {
  	Length1 = Type.substr(Type.indexOf("(")+1,Type.indexOf(")") - (Type.indexOf("(")) - 1);
		Length2 = '';
	}

  if ((Type.indexOf("(") != '-1') && (Type.indexOf(",") != '-1')) {
  	Length2 = Type.substr(Type.indexOf(",")+1,Type.indexOf(")") - (Type.indexOf(",")) - 1);
  	Length1 = Type.substr(Type.indexOf("(")+1,Type.indexOf(",") - (Type.indexOf("(")) - 1);
	}

	// den Typ extrahieren

	if (Type.indexOf("(") != -1)
	  Type = Type.substr(0,Type.indexOf("("));

	// Zuweisen der entsprechenden Regulären Ausdrücke

	if (Type == 'int') {

		var RegExpr = /[^0-9]/;
		ErrorMessage = 'Nur folgende Zeichen sind erlaubt:0-9';
	}

	if ((Type == 'dec') || (Type == 'float')) {
		var RegExpr = /[^\.\,0-9]/;
		ErrorMessage = 'Nur folgende Zeichen sind erlaubt:\. 0-9'
	}

	if (Type == 'text') {
		var RegExpr = /\'|\"/;
		ErrorMessage = 'Nur folgende Zeichen sind erlaubt:\' \"'
	}

	if (Type == 'varchar') {
		var RegExpr = /[^a-zA-Z0-9_ ()\-öäüÖÄÜß\+,\/;:\.]/; // ein "." ist nicht erlaubt
		ErrorMessage = 'Nur folgende Zeichen sind erlaubt: a-z A-Z 0-9_ ()\-öäüÖÄÜß\+.,\/;:'
	}

	if (Type == 'telnummer') {
		var RegExpr = /[^0-9\-\+]/;
		ErrorMessage = 'Nur folgende Zeichen sind erlaubt:0-9 \- \+'
	}

	// eventuellen Zahlenwert berichtigen

	if ((Type == "int") && ((Value.indexOf(',') != '-1') || (Value.indexOf('.') != '-1'))) {

  	var counter = 0;

   	for (var i = 0;i < Value.length; i++)
      if ((Value.charAt(i) == '.') || (Value.charAt(i) == ','))
         counter++;
   	if (counter > 1) isOK = false
	}

 	if (isOK && ((Type == "dec") || (Type == 'float'))&& (Value.indexOf(',') != '-1')) Value = Value.replace(/,?/,'.');

	// Überprüfen des übergebenen Wertes auf richtige Zeichen

	Result = RegExpr.exec(Value);

	// Maximale Längen setzen, wenn keine Längenangaben vorhanden

	if ((Length1 == '') && (Type == 'varchar')) Length1 = 255;

	if ((Result != null) && (Result != '')) isOK = false;

  if (Length1 != '') {
 	  if (Value.length > Length1) isOK = false;
	}

	// Überprüfen auf richtige Telefonnummer wenn vorhanden

	if (isOK && (Type == "telnummer") && (Value != "")) {

		if (Value.indexOf('+') == 0){
			Nummer = Value.substr(1,Value.length-1);
			Nummern = Nummer.split("-");
			if (Nummern.length == 3) {
				Land = Nummern[0];
				Vorwahl = Nummern[1];
				Nummer = Nummern[2];

				var RegExpr = /[^0-9]/;
				Result = RegExpr.exec(Land);
				if ((Result != null) && (Result != '')) {isOK = false;}

				Result = RegExpr.exec(Vorwahl);
				if ((Result != null) && (Result != '')) {isOK = false;}

				Result = RegExpr.exec(Nummer);
				if ((Result != null) && (Result != '')) {isOK = false;}

				ErrorMessage = 'richtige_Telefonnummer';
			}	else {
				isOK = false;
				ErrorMessage = 'richtige_Telefonnummer';
			}
		} else {
      if (isOK) {  
			  isOK = false;
				ErrorMessage = 'richtige_Telefonnummer';
		  }
		}
	}

	// alert(isOK + ' ' + Result);

	if (!isOK) {
	  alert('Fehler! ' + ErrorMessage);
		window.setTimeout(Transmitter + ".focus();" + Transmitter + ".select();",10);
	}
	return isOK;
}

function doNothing() {
	// nix tun
}