// general Script

	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();
	}
	function MM_findObj(n, d) { //v4.0
	  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 && document.getElementById) x=document.getElementById(n); return x;
	}	
	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_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];}
	}
	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_goToURL() { //v3.0
	  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
	  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
	}
	function MM_displayStatusMsg(msgStr) { //v1.0
	  status=msgStr;
	  document.MM_returnValue = true;
	}	
	function MM_changeProp(objName,x,theProp,theValue) { //v3.0
	  var obj = MM_findObj(objName);
	  if (obj && (theProp.indexOf("style.")==-1 || obj.style)) eval("obj."+theProp+"='"+theValue+"'");
	}
	function MM_showHideLayers() { //v3.0
	  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_validateForm() { //v4.0
	  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
	  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
	    if (val) { nm=val.name; if ((val=val.value)!="") {
	      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
	        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
	      } else if (test!='R') { num = parseFloat(val);
	        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
	        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
	          min=test.substring(8,p); max=test.substring(p+1);
	          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
	    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
	  } if (errors) alert('The following error(s) occurred:\n'+errors);
	  document.MM_returnValue = (errors == '');
	}
	function MM_nbGroup(event, grpName) { //v3.0
	  var i,img,nbArr,args=MM_nbGroup.arguments;
	  if (event == "init" && args.length > 2) {
    	if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
		     img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
	      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;	
	      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
	        if (!img.MM_up) img.MM_up = img.src;
	        img.src = img.MM_dn = args[i+1];
	        nbArr[nbArr.length] = img;
	    } }
	  } else if (event == "over") {
	    document.MM_nbOver = nbArr = new Array();
	    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
	      if (!img.MM_up) img.MM_up = img.src;
	      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : args[i+1];
	      nbArr[nbArr.length] = img;
	    }
	  } else if (event == "out" ) {
	    for (i=0; i < document.MM_nbOver.length; i++) {
	      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
	  } else if (event == "down") {
	    if ((nbArr = document[grpName]) != null)
	      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
	    document[grpName] = nbArr = new Array();
	    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
	      if (!img.MM_up) img.MM_up = img.src;
	      img.src = img.MM_dn = args[i+1];
	      nbArr[nbArr.length] = img;
	  } }
	}
	
	// Zufallszahl ermitteln
	function randInt(minI,maxI) {
        var div = (maxI - minI) + 1;
        var randNum = Math.random();
        for (var i = 0; i <= div - 1; i++) {
           if (randNum >= i / div && randNum < (i+1) / div)
              {return i + minI;}
        }
	}

	//if (!function.exists("isArray"))
	//function isArray(obj) {
	//   if (obj.constructor.toString().indexOf("Array") == -1) return false; else return true;
	//}

	function isValidEmail(str) { return (str.indexOf(".") > 2) && (str.indexOf("@") > 0) && (str.indexOf("@")==str.lastIndexOf("@")); }	
	
	function isNull(val){return(val==null);}
	//-------------------------------------------------------------------
	// isBlank(value)
	//   Returns true if value only contains spaces
	//-------------------------------------------------------------------
	function isBlank(val){
		if(val==null){return true;}
		for(var i=0;i<val.length;i++) {
			if ((val.charAt(i)!=' ')&&(val.charAt(i)!="\t")&&(val.charAt(i)!="\n")&&(val.charAt(i)!="\r")){return false;}
			}
		return true;
	}
	//-------------------------------------------------------------------
	// isInteger(value)
	//   Returns true if value contains all digits
	//-------------------------------------------------------------------
	function isInteger(val){
		if (isBlank(val)){return false;}
		for(var i=0;i<val.length;i++){
			if(!isDigit(val.charAt(i))){return false;}
			}
		return true;
	}
	//-------------------------------------------------------------------
	// isNumeric(value)
	//   Returns true if value contains a positive float value
	//-------------------------------------------------------------------
	function isNumeric(val){return(parseFloat(val,10)==(val*1));}

	//-------------------------------------------------------------------
	// isArray(obj)
	// Returns true if the object is an array, else false
	//-------------------------------------------------------------------
	function isArray(obj){return(typeof(obj.length)=="undefined")?false:true;}
	//-------------------------------------------------------------------
	// isDigit(value)
	//   Returns true if value is a 1-character digit
	//-------------------------------------------------------------------
	function isDigit(num) {
		if (num.length>1){return false;}
		var string="1234567890";
		if (string.indexOf(num)!=-1){return true;}
		return false;
	}
	function in_array(arr, val) {
		// Liefert false, wenn val nicht im arr enthalten ist,
		// andernfalls liefert return i mit der feldID indem val in arr enthalten ist
	   	if (!isArray(arr)) return(-1);
	   	for(var i = 0; i < arr.length; i++)
	      	if(arr[i] == val)
	          	return(i);
	   	return(-1);  
	}

	function openAudio() {
		// Audio zur Hörprobe in einem Popup öffnen
		GEE_openpopup("admin/phpscr/mp3player.php?mp3="+arguments[0],235,145-20+20);		
	}
		
	// declare general variables
	if (availWidth==null) var availWidth = screen.availWidth;
	if (availHeight==null) var availHeight = screen.availHeight;
	
	if (innerWindowWidth) var innerWindowWidth  = (is.ie)?document.body.offsetWidth:window.innerWidth;		
	if (innerWindowHeight) var innerWindowHeight = (is.ie)?document.body.offsetHeight:window.innerHeight;			

	MM_reloadPage(true);