//browserdetection

var MAC_NS, PC_NS, IE, PC_MOZ, MOZ;
MAC_NS  = false;  MAC_IE      = false;
PC_NS   = false;  PC_IE       = false;
IE      = false;  NS          = false;
PC_MOZ  = false;  MAC_MOZ     = false;
LINUX   = false;
MOZ     = false;  BROWSERVERSION  = 0;

p     = parent;

BROWSERVERSION = navigator.appVersion.substring(0,1);

if( navigator.userAgent.indexOf("Opera") != -1 )
{
  PC_IE=true;
}

if( navigator.userAgent.indexOf("Gecko")!= -1 )
{
  if( navigator.appVersion.indexOf("Mac")!= -1 )
  {
    MAC_MOZ = true;
    MOZ   = true;
  }
  else
  {
    PC_MOZ  = true;
    MOZ   = true;
  }
}

LINUX = navigator.userAgent.indexOf("inux") != -1;

if( navigator.appVersion.indexOf("Mac") != -1 )
{
  if(navigator.appName=="Netscape")
  {
    MAC_NS = true;
    NS     = true;
  }
  else
  {
    MAC_IE = true;
    IE     = true;
  }
}
else
{
  if( navigator.appName=="Netscape" )
  {
    PC_NS = true;
    NS    = true;
  }
  else
  {
    PC_IE = true;
    IE    = true;
  }
}
// Fenster öffnen
// bsp. javascript:MM_openBrWindow('pfad','name','status=no,menubar=no,scrollbars=yes,width=480,height=470')
function MM_openBrWindow(theURL,winName,features)
{
	OpenWin = window.open(theURL,winName,features);
  OpenWin.opener = self;
  OpenWin.focus();
}
      
// Scroll

		var upH = 20; // Height of up-arrow
		var upW = 13; // Width of up-arrow
		var downH = 20; // Height of down-arrow
		var downW = 13; // Width of down-arrow
		var dragH = 20; // Height of drager
		var dragW = 13; // Width of drager
		var scrollH = 202; // Height of scrollbar
		var speed = 4; // Scroll speed
		
		// Browser detection
		var dom = document.getElementById ? true:false;
		var nn4 = document.layers ? true:false;
		var ie4 = document.all ? true:false;
		
		var mouseY; // Mouse Y position onclick
		var mouseX; // Mouse X position onclick
		
		var clickUp = false; // If click on up-arrow
		var clickDown = false; // If click on down-arrow
		var clickDrag = false; // If click on scrollbar
		var clickAbove = false; // If click above scrollbar
		var clickBelow = false; // If click below scrollbar
		
		var timer = setTimeout("",500); // Repeat variable
		var upL; // Up-arrow X
		var upT; // Up-arrow Y
		var downL; // Down-arrow X
		var downT; // Down-arrow Y
		var dragL; // Scrollbar X
		var dragT; // Scrollbar Y
		var rulerL; // Ruler X
		var rulerT; // Ruler Y
		var contentT; // Content layer Y;
		var contentH; // Content height
		var contentClipH; // Content clip height
		var scrollLength; // Number of pixels scrollbar should move
		var startY; // Keeps track of offset between mouse and span
		
		// Mousedown
		function down(e){
			if((document.layers && e.which!=1) || (document.all && event.button!=1)) return true; // Enables the right mousebutton
			getMouse(e);
			startY = (mouseY - dragT);
			
			// If click on up-arrow
			if(mouseX >= upL && (mouseX <= (upL + upW)) && mouseY >= upT && (mouseY <= (upT + upH))){
				clickUp = true;
				return scrollUp();
			}	
			// Else if click on down-arrow
			else if(mouseX >= downL && (mouseX <= (downL + downW)) && mouseY >= downT && (mouseY <= (downT + downH))){
				clickDown = true;
				return scrollDown();
			}
			// Else if click on scrollbar
			else if(mouseX >= dragL && (mouseX <= (dragL + dragW)) && mouseY >= dragT && (mouseY <= (dragT + dragH))){
				clickDrag = true;
				return false;
			}
			else if(mouseX >= dragL && (mouseX <= (dragL + dragW)) && mouseY >= rulerT && (mouseY <= (rulerT + scrollH))){
				// If click above drag
				if(mouseY < dragT){
					clickAbove = true;
					clickUp = true;
					return scrollUp();
				}
				// Else click below drag
				else{
					clickBelow = true;
					clickDown = true;
					return scrollDown();
				}
			}
			// If no scrolling is to take place
			else{
				return true;
			}
		}
		
		// Drag function
		function move(e){
			if(clickDrag && contentH > contentClipH){
				getMouse(e);
				dragT = (mouseY - startY);
				
				if(dragT < (rulerT))
					dragT = rulerT;		
				if(dragT > (rulerT + scrollH - dragH))
					dragT = (rulerT + scrollH - dragH);
				
				contentT = ((dragT - rulerT)*(1/scrollLength));
				contentT = eval('-' + contentT);
		
				moveTo();
				
				// So ie-pc doesn't select gifs
				if(ie4)
					return false;
			}
		}
		// mousewheel
			function wheel(e)
			{
  			var tmpspeed = speed;
  			speed = speed + 10;
  			if( event.wheelDelta >= 0 )
  			{
    			clickUp = true;
    			scrollUp();
    			up();
  			}
  			else
  			{
  				clickDown = true;
    			scrollDown();
    			up();
  			}
  			speed = tmpspeed;
				}
 
		function up(){
			clearTimeout(timer);
			// Resetting variables
			clickUp = false;
			clickDown = false;
			clickDrag = false;
			clickAbove = false;
			clickBelow = false;
			return true;
		}
		
		// Reads content layer top
		function getT(){
			if(ie4)
				contentT = document.all.content.style.pixelTop;
			else if(nn4)
				contentT = document.contentClip.document.content.top;
			else if(dom)
				contentT = parseInt(document.getElementById("content").style.top);
		}
		
		// Reads mouse X and Y coordinates
		function getMouse(e){
			if(ie4){
				mouseY = event.clientY + document.body.scrollTop;
				mouseX = event.clientX + document.body.scrollLeft;
			}
			else if(nn4 || dom){
				mouseY = e.pageY;
				mouseX = e.pageX;
			}
		}
		
		// Moves the layer
		function moveTo(){
			if(ie4){
				document.all.content.style.top = contentT;
				document.all.ruler.style.top = dragT;
				document.all.drag.style.top = dragT;
			}
			else if(nn4){
				document.contentClip.document.content.top = contentT;
				document.ruler.top = dragT;
				document.drag.top = dragT;
			}
			else if(dom){
				document.getElementById("content").style.top = contentT + "px";
				document.getElementById("drag").style.top = dragT + "px";
				document.getElementById("ruler").style.top = dragT + "px";
			}
		}
		
		// Scrolls up
		function scrollUp(){
			getT();
			
			if(clickAbove){
				if(dragT <= (mouseY-(dragH/2)))
					return up();
			}
			
			if(clickUp){
				if(contentT < 0){		
					dragT = dragT - (speed*scrollLength);
					
					if(dragT < (rulerT))
						dragT = rulerT;
						
					contentT = contentT + speed;
					if(contentT > 0)
						contentT = 0;
					
					moveTo();
					timer = setTimeout("scrollUp()",25);
				}
			}
			return false;
		}
		
		// Scrolls down
		function scrollDown(){
			getT();
			
			if(clickBelow){
				if(dragT >= (mouseY-(dragH/2)))
					return up();
			}
		
			if(clickDown){
				if(contentT > -(contentH - contentClipH)){			
					dragT = dragT + (speed*scrollLength);
					if(dragT > (rulerT + scrollH - dragH))
						dragT = (rulerT + scrollH - dragH);
					
					contentT = contentT - speed;
					if(contentT < -(contentH - contentClipH))
						contentT = -(contentH - contentClipH);
					
					moveTo();
					timer = setTimeout("scrollDown()",25);
				}
			}
			return false;
		}
		
		// reloads page to position the layers again
		function reloadPage(){
			location.reload();
		}
		
		// Preload
		function eventLoader(){
			if(ie4){
				// Up-arrow X and Y variables
				upL = document.all.up.style.pixelLeft;
				upT = document.all.up.style.pixelTop;		
				// Down-arrow X and Y variables
				downL = document.all.down.style.pixelLeft;
				downT = document.all.down.style.pixelTop;
				// Scrollbar X and Y variables
				dragL = document.all.drag.style.pixelLeft;
				dragT = document.all.drag.style.pixelTop;		
				// Ruler Y variable
				rulerT = document.all.ruler.style.pixelTop;		
				// Height of content layer and clip layer
				contentH = parseInt(document.all.content.scrollHeight);
				contentClipH = parseInt(document.all.contentClip.style.height);
			}
			else if(nn4){
				// Up-arrow X and Y variables
				upL = document.up.left;
				upT = document.up.top;		
				// Down-arrow X and Y variables
				downL = document.down.left;
				downT = document.down.top;		
				// Scrollbar X and Y variables
				dragL = document.drag.left;
				dragT = document.drag.top;		
				// Ruler Y variable
				rulerT = document.ruler.top;
				// Height of content layer and clip layer
				contentH = document.contentClip.document.content.clip.bottom;
				contentClipH = document.contentClip.clip.bottom;
			}
			else if(dom){
				// Up-arrow X and Y variables
				upL = parseInt(document.getElementById("up").style.left);
				upT = parseInt(document.getElementById("up").style.top);
				// Down-arrow X and Y variables
				downL = parseInt(document.getElementById("down").style.left);
				downT = parseInt(document.getElementById("down").style.top);
				// Scrollbar X and Y variables
				dragL = parseInt(document.getElementById("drag").style.left);
				dragT = parseInt(document.getElementById("drag").style.top);
				// Ruler Y variable
				rulerT = parseInt(document.getElementById("ruler").style.top);
				// Height of content layer and clip layer
				contentH = parseInt(document.getElementById("content").offsetHeight);
				contentClipH = parseInt(document.getElementById("contentClip").offsetHeight);
				document.getElementById("content").style.top = 0 + "px";
				
			}
			// Number of pixels scrollbar should move
			scrollLength = ((scrollH-dragH)/(contentH-contentClipH));
			// Initializes event capturing
			if(nn4){
				document.captureEvents(Event.MOUSEDOWN | Event.MOUSEMOVE | Event.MOUSEUP);
				window.onresize = reloadPage;
			}
			document.onmousedown = down;
			document.onmousemove = move;
			document.onmouseup = up;
		
		
		// mausrad für ie6	
	agt = navigator.userAgent.toLowerCase();
	if( ie4 && (BROWSERVERSION == "4") && (agt.indexOf("msie 6.")!=-1) )
	{
	  document.onmousewheel = wheel;
	}
}
// 

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];}
}