/********************************
 * Function um ein popup zu öffnen
 ********************************/
function open_w(url, name, width, height) {
	var ah = screen.availHeight;
	var aw = screen.availWidth;

	var str = "status=no,toolbar=no,location=no,menubar=no,resizable=no,height=" + height + ",innerHeight=" + height;
	str += ",width=" + width + ",innerWidth=" + width;

	var xc = (aw - width) / 2;
	var yc = (ah - height) / 2;

	str += ",left=" + xc + ",screenX=" + xc;
	str += ",top=" + yc + ",screenY=" + yc;

	var editorWin = window.open(url, name, str).focus();
	editorWin.focus();
}

/********************************
 * Aufruf beim Start jeder Seite
 ********************************/
function init() {
  RemoveMacIEshadow();
  invokeInitFunctions();
  DHTML_init();
  restoreScrollY();
}


/********************************
 * Einfache Objekte
 ********************************/
function xy(x, y) {
  this.x = x;
  this.y = y;
}

/************************************
 * Browserunabhängiges DHTML API
 * Konzepte gemäss http://www.quirksmode.org/
 ************************************/

/*
 * Usage: 
 * var x = new getObj('layername');
 * var y = new getObj(this); // von Eventauslöser
 * x.style.top = 20
 * alert(x.obj.id)
 */
function getObj(name) {
  if(typeof(name) == "string") {
    if (document.getElementById) {
      this.obj = document.getElementById(name);
      this.style = document.getElementById(name).style;
    } else if (document.all) {
      this.obj = document.all[name];
      this.style = document.all[name].style;
    } else if (document.layers) {
      this.obj = document.layers[name];
      this.style = document.layers[name];
    }
  } else {
    this.obj = name;
    if (document.getElementById) {
      this.style = this.obj.style;
    } else if (document.all) {
      this.style = this.obj.style;
    } else if (document.layers) {
      this.style = this.obj;
    }
  }
}

function objectExists(name) {
  if (document.getElementById) {
    if(document.getElementById(name)) return true;
  } else if (document.all) {
    if(document.all[name]) return true;
  } else if (document.layers) {
    if(document.layers[name]) return true;
  }
}

function getPos(obj) {
  var curleft = 0;
  var curtop = 0;
  if (obj.offsetParent) {
    while (obj.offsetParent) {
      curleft += obj.offsetLeft
      curtop += obj.offsetTop
      obj = obj.offsetParent;
    }
  }  else if (obj.x) {
    curleft += obj.x;
    curtop += obj.y;
  }
  var pos = new xy(curleft, curtop);
  return pos;
}



/* The inner dimensions of the window or frame. */
function getWindowSize() {
  var size = new xy(); 
  if (self.innerHeight) { // all except Explorer
    size.x = self.innerWidth;
    size.y = self.innerHeight;
  } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
    size.x = document.documentElement.clientWidth;
    size.y = document.documentElement.clientHeight;
  } else if (document.body) { // other Explorers
    size.x = document.body.clientWidth;
    size.y = document.body.clientHeight;
  } // no else ? 
  return size;
}

/* How much the page has scrolled. */
function getScrollPos() {
  var size = new xy(); 
  if (self.pageYOffset) { // some browsers
    size.x = self.pageXOffset;
    size.y = self.pageYOffset;
  } else if (document.documentElement && document.documentElement.scrollTop) { // IE XHTML, strict
    size.x = document.documentElement.scrollLeft;
    size.y = document.documentElement.scrollTop;
  } else if (document.body) { // others like IE non-strict, Firefox
    size.x = document.body.scrollLeft;
    size.y = document.body.scrollTop;
  } else {
		// not recognized
  }
  return size;
}
function setScrollPosY(y) {
	if(self.scrollTo) {
		self.scrollTo(0, y); // works with most browsers
	} else {
		// not recognized
  }
	return;
}


/* The height of the total page (usually the body element). */
function getPageSize() {
  var size = new xy(); 
  var test1 = document.body.scrollHeight;
  var test2 = document.body.offsetHeight
  if (test1 > test2) { // all but Explorer Mac
	  size.x = document.body.scrollWidth;
	  size.y = document.body.scrollHeight;
  } else { // Explorer Mac, would also work in Explorer 6 Strict, Mozilla and Safari
	  size.x = document.body.offsetWidth;
	  size.y = document.body.offsetHeight;
  }
  return size;
}

/**********************************************************
 * Smart navigation (keeping scroll position)
 * <a href="javascript: smartNavigate(encodedUrl)">link</a>
 *********************************************************/
 function restoreScrollY() {
  var filter  = /[\?&]JsScrollY=([0-9]+)/;
  filter.exec(location.href);
  var scrollY = Number(RegExp.$1);
  if(scrollY) setScrollPosY(scrollY);
} 

function smartNavigate(url) {
  var sep;
  if(url.indexOf('?') > -1) { sep = '&'; } else {sep = '?'; }
  url = url + sep + 'JsScrollY=' + getScrollPos().y
  location.href = url;
  return;
}


/****************************************
 * Browserunabhängiges DHTML API (Legacy)
 ****************************************/
var DHTML = 0;
var DOM = 0;
var MS4 = 0;
var NS4 = 0;
var OP = 0;
var winRef = "";
var layerRef = "";
var layerLeftBracket = "";
var layerRightBracket = "";
var styleRef = ""; 
var scrollX  = "", scrollY  = ""; // Ausdruck zum Ermitteln der Position der linken obere innere Fensterecke zum Dokumentursprung

function DHTML_init() {
  if (window.opera) {
    OP = 1;
  }
  if(document.getElementById) {
    DHTML = 1;
    DOM = 1;
  }
  if(document.all && !OP) {
    DHTML = 1;
    MS4 = 1;
  }
  if (window.netscape && window.screen &&!DOM && !OP){
    DHTML = 1;
    NS4 = 1;
  }
  // Entscheiden, ob DOM, alte Netscape oder alte MS IE Syntax. 
  if (DOM) {
    winRef   = "window."
    layerRef = ".getElementById"
    styleRef = ".style"
    layerLeftBracket  = "(";
    layerRightBracket = ")";
  } else if (NS4) {
    winRef   = ""
    layerRef = ".layers"
    styleRef = ""
    layerLeftBracket  = "[";
    layerRightBracket = "]";
  } else { 
    // MS4, but also others. 
    winRef   = ""
    layerRef = ".all"
    styleRef = ".style"
    layerLeftBracket  = "[";
    layerRightBracket = "]";
  }
  if (navigator.appName == "Netscape") {
    scrollX  = "window.pageXOffset"
    scrollY  = "window.pageYOffset"
  } else {
    scrollX  = "document.body.scrollLeft"
    scrollY  = "document.body.scrollTop"
  }
}


/**
 * Dokument-relative Position eines Mausklicks.
 */
function eventPos(e) {
  this.pageX = 0;
  this.pageY = 0;
  if (navigator.appName == "Netscape") {
    this.pageX = e.pageX;
    this.pageY = e.pageY;
  } else {
    this.pageX = document.body.scrollLeft + e.clientX;
    this.pageY = document.body.scrollTop + e.clientY;
  }
}


/**
 * Setzt CSS Wert anhand Objektnamen.
 */
function setStyle(layer, stylename, stylevalue) {
  return eval('layer' + styleRef + "." + stylename + " = '" + stylevalue + "';"); 
}

/**
 * Objekt mit angegebenem Namen verstecken.
 */
function hide(layername) {
  (new getObj(layername)).style.visibility = 'hidden';
}  
        
/**
 * Objekt mit angegebenem Namen zeigen.
 */
function show(layername) {
  (new getObj(layername)).style.visibility = 'visible';
}

/**
 * Objekt mit angegebenem Namen zeigen.
 * (display / nodisplay / switchdisplay)
 */
function nodisplay(layername) {
	var obj = (new getObj(layername));
	if(obj) {
		obj.style.display = 'none';
	} else {
		alert(layername);
	}
}				
function display(layername) {
	var obj = (new getObj(layername));
	if(obj) {
		obj.style.display = '';
	} else {
		alert(layername);
	}
}
function switchdisplay(layername) {
	var obj = (new getObj(layername));
	if(obj) {
		this_display = obj.style.display;
		if (this_display == 'none') {
			display(layername);
		}
		else {
			nodisplay(layername);
		}
	} else {
		alert(layername);
	}
}	



/**
 * Objekt mit angegebenem Namen an Bildschirmoberkante verschieben und zeigen.
 */
function showscrolled(layername) {
  var yscrolled = eval(scrollY);
  yscrolled=parseInt(yscrolled)+200;  
  (new getObj(layername)).style.top = yscrolled;
  show(layername);
}

/**
 * Objekt mit angegebenem Namen an Eventposition (Mausklick) zeigen.
 * X-Position ist allerdings fix. Versatz in Negativrichtung, d.h. Minus = unten.
 */
function showhere(layername, offsetY, e)  {  
  var y = 0; 
  var pos = new eventPos(e);
  y = pos.pageY - offsetY; 
  if(y < 0) { y = 0; }
  if(navigator.userAgent.indexOf("Safari") > -1 && y == 0) {
    y = eval(scrollY); // Safari bug, some events have all coordinates to 0 (e.g. button onclick)
  }
  (new getObj(layername)).style.top = y;
  show(layername);    
}

/**
 * Objekt mit angegebenem Namen an Eventposition (Mausklick) zeigen.
 */
function showUnderMousePointer(layername, offsetX, offsetY, e) {
  var x, y;      
  var pos = new eventPos(e);
  x = pos.pageX + offsetY; 
  y = pos.pageY + offsetY; 
  if(x < 0) { x = 0; }
  if(y < 0) { y = 0; }
  if(navigator.userAgent.indexOf("Safari") > -1 && y == 0) {
    y = eval(scrollY); // Safari bug, some events have all coordinates to 0 (e.g. button onclick)
  }
  (new getObj(layername)).style.left = x;
  (new getObj(layername)).style.top = y;
  show(layername);    
}


//register a function to load onLoad :)
var initFunctions = new Array();
function registerInitFunction(f) {
	initFunctions[initFunctions.length] = f;
}
function invokeInitFunctions() {
	var f;
	for(var i = 0; i < initFunctions.length; i++) {
		f = initFunctions[i];
		f();
	}
}



/**
 * Resize Outerframe in centered layouts
 */
function getTopAndBottomY(outerframeObj) {
	var topY; 
	var bottomY;
	var maxY = 0;
	var minY = 10000;
	for(var i = 0; i <= (outerframeObj.childNodes.length - 1); i++) {
		var obj = outerframeObj.childNodes[i];
		if(obj.nodeName == 'DIV') {
			topY = getPos(obj).y
			bottomY = topY + obj.offsetHeight;
			if(bottomY > maxY) {
				maxY = bottomY;
			}
			if(topY < minY) {
				minY = topY;
			}
		}
	}
	if(10000 == minY) { minY = 0 }
	var pair = new xy(minY, maxY);
	return pair;
}

function adjustPageHeight(outerFrameName) {
	var outerframe = document.getElementById(outerFrameName);
	if(outerframe) {
		var contentTop; var contentBottom;
		with(getTopAndBottomY(outerframe)) {
			contentTop = x;
			contentBottom = y; 
		}
		var outerTop = getPos(outerframe).y;
		var paddingTop = contentTop - outerTop; 
		var outerBottom = contentBottom + paddingTop; // same padding as above
		outerframe.style.height = "" + (outerBottom - outerTop) + "px";
	}
}



/************************************************************
 * Navigationsverhalten Home 
 ************************************************************/
 
var ua = navigator.userAgent.toLowerCase();
var isIE = ((ua.indexOf("msie") != -1) && (ua.indexOf("opera") == -1) && (ua.indexOf("webtv") == -1)); 

var oldBoxClass = "";
var oldLinkClass = "";
function mouseOver(box) {
	oldBoxClass = box.className;
	box.className = oldBoxClass.replace(/-clicked/,"") + " " + oldBoxClass.replace(/-clicked/,"") + "-hover";
	var link;
	if(isIE) {
		link = box.childNodes[0];
	} else {
		link = box.childNodes[1];
	}
	if(link != null) {
        oldLinkClass = link.className;
        link.className = oldLinkClass.replace(/-clicked/,"") + " " + oldLinkClass.replace(/-clicked/,"") + "-hover";
    }
}

function mouseOut(box) {
	box.className = oldBoxClass;
	oldBoxClass = "";
	var link;
	if(isIE) {
		link = box.childNodes[0];
	} else {
		link = box.childNodes[1];
	}
	if(link != null) {
	    link.className = oldLinkClass;
	    oldLinkClass = "";
    }
}



/************************************************************
 * Verhindert die Schatten-Markierung jedes Links auf MacIE5  
 ************************************************************/
function RemoveMacIEshadow() {
  if (document.images&&navigator.userAgent.indexOf("MSIE")!=-1) {
    for(i=0;i<document.links.length;i++) {
      target=eval("document.links[i]");
      target.onfocus=BlurHandler;
    }
  }
}
    
function BlurHandler() {
  obj=window.event.srcElement;
  if(obj.tagName == "a" || obj.tagName=="A") obj.blur();
}



/************************************************************
 * JavaScript Pendant zu Server.UrlEncode
 * http://www.rgagnon.com/jsdetails/js-0096.html
 * *********************************************************/
function URLencode(sStr) {
	sStr = escape(sStr)
	sStr = sStr.replace(/\+/g, '%2B');
	sStr = sStr.replace(/\//g, '%2F'); 
	sStr = sStr.replace(/\'/g, '%27');
	sStr = sStr.replace(/\"/g, '%22');
	return sStr;
}

/************************************************************
 * JavaScript eMail-Adressen-Verschlüsseler
 * URL: (http://www.derwok.de/service/email_stopspam/)
 ************************************************************/
function UnCryptMailto(s) {
	s = unescape(s); // Url Decode
	var shift = 2; //Has to be the same as in the method CryptMailto (->find in tools).
	var n=0;
	var r="";
	for(var i=0;i<s.length;i++) { 
		n=s.charCodeAt(i); 
		if (n>=8364) {n = 128;}
		r += String.fromCharCode(n-(shift)); 
	}
	return r;
}

function linkTo_UnCryptMailto(s) {
	location.href=UnCryptMailto(s);
}

function httpAjax(myAjaxPath, data, method) {
    $.ajax({
        type: "POST",
        url: myAjaxPath,
        data: data,
        beforeSend: function(xhr) {
          xhr.setRequestHeader("X-AjaxPro-Method", method);
        },
        success: function(s) {
          // on success
          var o = null;
          eval("o = " + s + ";");
          $("#ajaxWorkDetails").attr("innerHTML", o.value);

          // nachträgliches initialisieren der thickbox...
          tb_init('a.thickbox, area.thickbox, input.thickbox');//pass where to apply thickbox
          imgLoader = new Image();// preload image
          imgLoader.src = tb_pathToImage;
        }
    }); 
}
function Left(str, n){
	if (n <= 0)
	    return "";
	else if (n > String(str).length)
	    return str;
	else
	    return String(str).substring(0,n);
}
function Right(str, n){
    if (n <= 0)
       return "";
    else if (n > String(str).length)
       return str;
    else {
       var iLen = String(str).length;
       return String(str).substring(iLen, iLen - n);
    }
}