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];}
}

/*Funktion zum testen, welche auswahl bei einem radio-button getroffen wurde*/

function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}

function setCheckedValue(radioObj, newValue) {
	if(!radioObj)
		return;
	var radioLength = radioObj.length;
	if(radioLength == undefined) {
		radioObj.checked = (radioObj.value == newValue.toString());
		return;
	}
	for(var i = 0; i < radioLength; i++) {
		radioObj[i].checked = false;
		if(radioObj[i].value == newValue.toString()) {
			radioObj[i].checked = true;
		}
	}
}

/* fenster oeffnen */

var win=null;
function openwindow(mypage,myname,w,h,scroll,pos){
if(pos=="random"){LeftPosition=(screen.availWidth)?Math.floor(Math.random()*(screen.availWidth-w)):50;TopPosition=(screen.availHeight)?Math.floor(Math.random()*((screen.availHeight-h)-75)):50;}
if(pos=="center"){LeftPosition=(screen.availWidth)?(screen.availWidth-w)/2:50;TopPosition=(screen.availHeight)?(screen.availHeight-h)/2:50;}
if(pos=="default"){LeftPosition=50;TopPosition=50}
else if((pos!="center" && pos!="random" && pos!="default") || pos==null){LeftPosition=0;TopPosition=20}
settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars=no,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
win=window.open(mypage,myname,settings);
if(win.focus){win.focus();}}

/* testen ob zahl */

function check(wert) {
	if (isNaN(wert)) {
    	return Number(0);
 	} else {
  		return wert;
 	}
}

/* layer ein-/ausblenden */

function showHide(objId)
{ 
   var obj 		=	document.getElementById(objId);
   var obj_all 	=	document.getElementById(objId+"_all");

   if( obj.style.display == 'none' ){
     obj_all.style.display		= 'none';
	 obj.style.display			= 'block';
   }
   else if( obj.style.display == 'block' ){
     obj_all.style.display		= 'block';
	 obj.style.display			= 'none';
  }
}

function showHideAlone(objId)
{ 
   var obj 		=	document.getElementById(objId);

   if( obj.style.display == 'none' ){
	 obj.style.display			= 'block';
   }
   else if( obj.style.display == 'block' ){
	 obj.style.display			= 'none';
  }
}

/* Infobox laden */

function InfoPage(layerid) {
	var obj 		=	document.getElementById(layerid);
	var obj_alpha 	=	document.getElementById("alpha");
	
	var abstand		=	document.documentElement.scrollTop;
	var width,height;
	
	if (self.innerHeight) {
		width = self.innerWidth;
		height = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) {
		width = document.documentElement.clientWidth;
		height = document.documentElement.clientHeight;
	} else if (document.body) {
		width = document.body.clientWidth;
		height = document.body.clientHeight;
	}

   if( obj.style.display == 'none' ){
	 obj.style.display			= 'block';
	 obj_alpha.style.display	= 'block';
	 obj.style.top			= Math.floor(height/2)-(150-abstand) + 'px';
	 obj.style.left			= Math.floor(width/2)-250 + 'px';
	 
	 obj_alpha.style.width		= document.documentElement.scrollWidth + 'px';
	 obj_alpha.style.height		= document.documentElement.scrollHeight + 'px';

   }
   else if( obj.style.display == 'block' ){
	 obj.style.display			= 'none';
	 obj_alpha.style.display	= 'none';
  }
}

/*Hintergrundfareb aendern*/

function colorBG(farbe) {
	document.getElementById("main").style.backgroundColor = "#"+farbe;
}