// -- FORM CHECKING -------------------------------------------------------------

function check_input(formName, fields, formats, aliases, errormessage) {

  not_matched = "";
  reg_email   =  /^([_a-zA-Z0-9-]+)(\.[_a-zA-Z0-9-]+)*@([a-zA-Z0-9-]+\.)+([a-zA-Z]{2,4})$/;
  value_is_array = false;
      
  for (i=0; i<fields.length; i++) {      
    form_element = document.forms[formName].elements[fields[i]];
    if (formats[i] != 'checked') {
      value  = form_element.value;
    }          

    format = formats[i];
	  field  = fields[i];
	  alias  = aliases[i];
    match  = true;
  
    if (format == "datum") {
	    match = match && (!isNaN(value.charAt(0)) && !isNaN(value.charAt(1)) && !isNaN(value.charAt(3)) && !isNaN(value.charAt(4)) && !isNaN(value.charAt(6)) && !isNaN(value.charAt(7)) && !isNaN(value.charAt(8)) && !isNaN(value.charAt(9)) && (value.charAt(2)==".") && (value.charAt(5)==".") && (value.length == 10));
  	}
		
		if (format == "zeit") {
	    match = match && (!isNaN(value.charAt(0)) && !isNaN(value.charAt(1)) && !isNaN(value.charAt(3)) && !isNaN(value.charAt(4)) && (value.charAt(2)==":") && (value.length == 5));
  	}
	
	  if (format == "text") {
	    match = match && (value.length > 0);
	  }
	
	  if (format == "zahl") {
	    match = match && (!isNaN(value) && (value.length > 0));
	  }
	  
    if (format == "email") {    
      atpos  = value.indexOf("@");
      dotpos = value.lastIndexOf(".");
      match  = match && (atpos > 0) && (dotpos > 0) && (dotpos > atpos) && (dotpos < (value.length-2)) && ((atpos+3) < dotpos);
			match  = match && reg_email.test(value);
    }
  
    if (format == "checked") {
    
      if (form_element != null) {     
        // form_element is a single checkbox and not an array 
        // (in HTML page name of input element of form 'foo' instead of 'foo[]')
        match = match && (form_element.checked);
      } else {      
        // form_element is an array of checkboxes ('foo[]'; see comment above)
        // iterate through array as long it is defined or existing, respectively
        j = 0;            
        form_element = document.forms[formName].elements[fields[i]+'['+j+']'];    
        one_box_checked=false; 
        while (form_element != null) {        
          one_box_checked = one_box_checked || (form_element.checked);          
          j++;
          form_element = document.forms[formName].elements[fields[i]+'['+j+']'];         
        }
        match = match && (one_box_checked);
      }
    }

	  if (!match) {
	    not_matched = not_matched + "- " + alias + "\n";
	  }
  } 
  
  if (not_matched.length > 0) { 
	   alert(errormessage + not_matched);
     return false;
  } else { 
    return true;
  }
}

function isArray(obj) {
  return (isObject(obj) && obj.constructor == Array);
}

function isFunction(a) {
    return typeof a == 'function';
}

function isObject(a) {
    return (typeof a == 'object' && !!a) || isFunction(a);
}

// -- WINDOW OPENING ------------------------------------------------------------------------

function openWindow(windowURL,title,w,h) {
  options='scrollbars=yes,resizable=no,status=yes,menubar=yes,width=' + w + ',height=' + h;
  fenster=window.open(windowURL, title, options);
}
    
function openCenterWindow(windowURL,title,w,h) {
  options='scrollbars=no,resizable=no,status=no,menubar=no,width=' + w + ',height=' + h;
  fenster=window.open(windowURL, title, options);
	x = screen.width - screen.width/2 - w/2;
	y = screen.height - screen.height/2 - h/2;
	
	fenster.moveTo(parseInt(x),parseInt(y));
	fenster.focus();
}

function openCenterWindowScroll(windowURL,title,w,h) {
  options='scrollbars=yes,resizable=no,status=no,menubar=no,width=' + w + ',height=' + h;
  fenster=window.open(windowURL, title, options);
	x = screen.width - screen.width/2 - w/2;
	y = screen.height - screen.height/2 - h/2;
	
	fenster.moveTo(parseInt(x),parseInt(y));
	fenster.focus();
}


// -- PRINTING --------------------------------------------------------------------

function tmt_print() {
  if (document.all) {
	  var OLECMDID_PRINT = 6;
    var OLECMDEXECOPT_DONTPROMPTUSER = 2;
    var OLECMDEXECOPT_PROMPTUSER = 1;
    var WebBrowser = "<OBJECT ID=\"WebBrowser1\" WIDTH=0 HEIGHT=0 CLASSID=\"CLSID:8856F961-340A-11D0-A96B-00C04FD705A2\"></OBJECT>";
    document.body.insertAdjacentHTML("beforeEnd", WebBrowser);
    WebBrowser1.ExecWB(OLECMDID_PRINT, OLECMDEXECOPT_PROMPTUSER);
    WebBrowser1.outerHTML = "";
  } else {
    self.print();
	}
}


// -- LAYER TOGGLE --------------------------------------------------------------------

function toggle(object) {
  if (document.getElementById) {
    if (document.getElementById(object).style.visibility == 'visible')
      document.getElementById(object).style.visibility = 'hidden';
    else
      document.getElementById(object).style.visibility = 'visible';
  }

  else if (document.layers && document.layers[object] != null) {
    if (document.layers[object].visibility == 'visible' ||
        document.layers[object].visibility == 'show' )
      document.layers[object].visibility = 'hidden';
    else
      document.layers[object].visibility = 'visible';
  }

  else if (document.all) {
    if (document.all[object].style.visibility == 'visible')
      document.all[object].style.visibility = 'hidden';
    else
      document.all[object].style.visibility = 'visible';
  }

  return false;
}



// -- MM --------------------------------------------------------------------

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_callJS(jsStr) { //v2.0
  return eval(jsStr)
}

function openPictureWindow_Fever(imageType,imageName,imageWidth,imageHeight,alt,posLeft,posTop) {  // v4.01
	newWindow = window.open("","newWindow","width="+imageWidth+",height="+imageHeight+",scrollbars=no,left="+posLeft+",top="+posTop);
	newWindow.document.open();
	newWindow.document.write('<html><title>'+alt+'</title><body bgcolor="#FFFFFF" leftmargin="0" topmargin="0" marginheight="0" marginwidth="0" onBlur="self.close()">'); 
	if (imageType == "swf"){
	newWindow.document.write('<object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0\" width=\"'+imageWidth+'\" height=\"'+imageHeight+'\">');
	newWindow.document.write('<param name=movie value=\"'+imageName+'\"><param name=quality value=high>');
	newWindow.document.write('<embed src=\"'+imageName+'\" quality=high pluginspage=\"http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash\" type=\"application/x-shockwave-flash\" width=\"'+imageWidth+'\" height=\"'+imageHeight+'\">');
	newWindow.document.write('</embed></object>');	}else{
	newWindow.document.write('<img src=\"'+imageName+'\" width='+imageWidth+' height='+imageHeight+' alt=\"'+alt+'\">'); 	}
	newWindow.document.write('</body></html>');
	newWindow.document.close();
	newWindow.focus();
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function OK_loadit(url,layerObjNS, width) { 
 if (document.layers){
         document.layers[layerObjNS].load(url, width);
    } else{
         if (window.frames.length > -1){
             window.frames[layerObjNS].location.href = url;
}
}
document.MM_returnValue = false;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

// -- Mailinglist window --------------------------------------------------------------------

function preload(imgObj,imgSrc) {
	if (document.images) {
		eval(imgObj+' = new Image()')
		eval(imgObj+'.src = "'+imgSrc+'"')
	}
}

function changeImage(layer,imgName,imgObj) {
	if (document.images) {
		if (document.layers && layer!=null) eval('document.'+layer+'.document.images["'+imgName+'"].src = '+imgObj+'.src')
		else document.images[imgName].src = eval(imgObj+".src")
	}
}



function messageWindow(title, msg)
{
  var width="300", height="125";
  var left = (screen.width/2) - width/2;
  var top = (screen.height/2) - height/2;
  var styleStr = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+',top='+top+',screenX='+left+',screenY='+top;
  var msgWindow = window.open("","msgWindow", styleStr);
  var head = '<head><title>'+title+'</title></head>';
  var body = '<center>'+msg+'<br><p><form><input type="button" value="   Done   " onClick="self.close()"></form>';
  msgWindow.document.write(head + body);
}


var popUpWin=0;
function popUpWindow(URLStr, left, top, width, height)
{
  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}


function pageReload() {
document.location.reload()
}


// -- Other --------------------------------------------------------------------


function rld() {
document.location.reload()
}


// -- Load content --------------------------------------------------------------------

var enableCache = true;
var jsCache = new Array();

var dynamicContent_ajaxObjects = new Array();

function ajax_showContent(divId,ajaxIndex,url)
{
	var targetObj = document.getElementById(divId);
	targetObj.innerHTML = dynamicContent_ajaxObjects[ajaxIndex].response;
	if(enableCache){
		jsCache[url] = 	dynamicContent_ajaxObjects[ajaxIndex].response;
	}
	dynamicContent_ajaxObjects[ajaxIndex] = false;
	
	ajax_parseJs(targetObj)
}

function ajax_loadContent(divId,url)
{
	if(enableCache && jsCache[url]){
		document.getElementById(divId).innerHTML = jsCache[url];
		return;
	}
	
	var ajaxIndex = dynamicContent_ajaxObjects.length;
	document.getElementById(divId).innerHTML = 'Loading content - please wait';
	dynamicContent_ajaxObjects[ajaxIndex] = new sack();
	dynamicContent_ajaxObjects[ajaxIndex].requestFile = url;	// Specifying which file to get
	dynamicContent_ajaxObjects[ajaxIndex].onCompletion = function(){ ajax_showContent(divId,ajaxIndex,url); };	// Specify function that will be executed after file has been found
	dynamicContent_ajaxObjects[ajaxIndex].runAJAX();		// Execute AJAX function	
	
	
}


function ajax_parseJs(inputObj)
{	
	var jsTags = inputObj.getElementsByTagName('SCRIPT');
	for(var no=0;no<jsTags.length;no++){
		eval(jsTags[no].innerHTML);
	}	
}


// -- SACK --------------------------------------------------------------------

/* Simple AJAX Code-Kit (SACK) v1.6.1 */
/* ©2005 Gregory Wild-Smith */
/* www.twilightuniverse.com */
/* Software licenced under a modified X11 licence,
   see documentation or authors website for more details */

function sack(file) {
	this.xmlhttp = null;

	this.resetData = function() {
		this.method = "GET";
  		this.queryStringSeparator = "?";
		this.argumentSeparator = "&";
		this.URLString = "";
		this.encodeURIString = true;
  		this.execute = false;
  		this.element = null;
		this.elementObj = null;
		this.requestFile = file;
		this.vars = new Object();
		this.responseStatus = new Array(2);
  	};

	this.resetFunctions = function() {
  		this.onLoading = function() { };
  		this.onLoaded = function() { };
  		this.onInteractive = function() { };
  		this.onCompletion = function() { };
  		this.onError = function() { };
		this.onFail = function() { };
	};

	this.reset = function() {
		this.resetFunctions();
		this.resetData();
	};

	this.createAJAX = function() {
		try {
			this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e1) {
			try {
				this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e2) {
				this.xmlhttp = null;
			}
		}

		if (! this.xmlhttp) {
			if (typeof XMLHttpRequest != "undefined") {
				this.xmlhttp = new XMLHttpRequest();
			} else {
				this.failed = true;
			}
		}
	};

	this.setVar = function(name, value){
		this.vars[name] = Array(value, false);
	};

	this.encVar = function(name, value, returnvars) {
		if (true == returnvars) {
			return Array(encodeURIComponent(name), encodeURIComponent(value));
		} else {
			this.vars[encodeURIComponent(name)] = Array(encodeURIComponent(value), true);
		}
	}

	this.processURLString = function(string, encode) {
		encoded = encodeURIComponent(this.argumentSeparator);
		regexp = new RegExp(this.argumentSeparator + "|" + encoded);
		varArray = string.split(regexp);
		for (i = 0; i < varArray.length; i++){
			urlVars = varArray[i].split("=");
			if (true == encode){
				this.encVar(urlVars[0], urlVars[1]);
			} else {
				this.setVar(urlVars[0], urlVars[1]);
			}
		}
	}

	this.createURLString = function(urlstring) {
		if (this.encodeURIString && this.URLString.length) {
			this.processURLString(this.URLString, true);
		}

		if (urlstring) {
			if (this.URLString.length) {
				this.URLString += this.argumentSeparator + urlstring;
			} else {
				this.URLString = urlstring;
			}
		}

		// prevents caching of URLString
		this.setVar("rndval", new Date().getTime());

		urlstringtemp = new Array();
		for (key in this.vars) {
			if (false == this.vars[key][1] && true == this.encodeURIString) {
				encoded = this.encVar(key, this.vars[key][0], true);
				delete this.vars[key];
				this.vars[encoded[0]] = Array(encoded[1], true);
				key = encoded[0];
			}

			urlstringtemp[urlstringtemp.length] = key + "=" + this.vars[key][0];
		}
		if (urlstring){
			this.URLString += this.argumentSeparator + urlstringtemp.join(this.argumentSeparator);
		} else {
			this.URLString += urlstringtemp.join(this.argumentSeparator);
		}
	}

	this.runResponse = function() {
		eval(this.response);
	}

	this.runAJAX = function(urlstring) {
		if (this.failed) {
			this.onFail();
		} else {
			this.createURLString(urlstring);
			if (this.element) {
				this.elementObj = document.getElementById(this.element);
			}
			if (this.xmlhttp) {
				var self = this;
				if (this.method == "GET") {
					totalurlstring = this.requestFile + this.queryStringSeparator + this.URLString;
					this.xmlhttp.open(this.method, totalurlstring, true);
				} else {
					this.xmlhttp.open(this.method, this.requestFile, true);
					try {
						this.xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded")
					} catch (e) { }
				}

				this.xmlhttp.onreadystatechange = function() {
					switch (self.xmlhttp.readyState) {
						case 1:
							self.onLoading();
							break;
						case 2:
							self.onLoaded();
							break;
						case 3:
							self.onInteractive();
							break;
						case 4:
							self.response = self.xmlhttp.responseText;
							self.responseXML = self.xmlhttp.responseXML;
							self.responseStatus[0] = self.xmlhttp.status;
							self.responseStatus[1] = self.xmlhttp.statusText;

							if (self.execute) {
								self.runResponse();
							}

							if (self.elementObj) {
								elemNodeName = self.elementObj.nodeName;
								elemNodeName.toLowerCase();
								if (elemNodeName == "input"
								|| elemNodeName == "select"
								|| elemNodeName == "option"
								|| elemNodeName == "textarea") {
									self.elementObj.value = self.response;
								} else {
									self.elementObj.innerHTML = self.response;
								}
							}
							if (self.responseStatus[0] == "200") {
								self.onCompletion();
							} else {
								self.onError();
							}

							self.URLString = "";
							break;
					}
				};

				this.xmlhttp.send(this.URLString);
			}
		}
	};

	this.reset();
	this.createAJAX();
}