// begin absolutely positioned scrollable area object scripts 
// Extension developed by David G. Miles  

function cm_bwcheck(){
	//In theory we should use object detection, but this script needs work-arounds for almost every browser...
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent.toLowerCase()
	this.dom=document.getElementById?1:0
	this.ns4=(!this.dom && document.layers)?1:0;
	this.op=window.opera 
	this.moz=(this.agent.indexOf("gecko")>-1 || window.sidebar)
	this.ie=this.agent.indexOf("msie")>-1 && !this.op
	if(this.op){
		this.op5=(this.agent.indexOf("opera 5")>-1 || this.agent.indexOf("opera/5")>-1)
		this.op6=(this.agent.indexOf("opera 6")>-1 || this.agent.indexOf("opera/6")>-1)
		this.op7=this.dom&&!this.op5&&!this.op6 //So all higher opera versions will use it
	}else if(this.moz) this.ns6 = 1
	else if(this.ie){
		this.ie4 = !this.dom && document.all
  	this.ie5 = (this.agent.indexOf("msie 5")>-1)
  	this.ie55 = (this.ie5 && this.agent.indexOf("msie 5.5")>-1)
  	this.ie6 = this.dom && !this.ie4 && !this.ie5 && ! this.ie55
	}
	this.mac=(this.agent.indexOf("mac")>-1)
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.op5 || this.op6 || this.op7)
  this.usedom= this.ns6||this.op7//Use dom creation
  this.reuse = this.ie||this.op7||this.usedom //Reuse layers
  this.px=this.dom&&!this.op5?"px":""
	return this
}
var bw=new cm_bwcheck()

function findPos(){
  if(bw.ns4){   //Netscape 4
    x = document.layers.layerMenu.pageX
    y = document.layers.layerMenu.pageY
  }else{ //other browsers
    x=0; y=0; var el,temp
    el = bw.ie4?document.all["test"]:document.getElementById("test");
    if(el.offsetParent){
      temp = el
      while(temp.offsetParent){ //Looping parent elements to get the offset of them as well
        temp=temp.offsetParent; 
        x+=temp.offsetLeft
        y+=temp.offsetTop;
      }
    }
    x+=el.offsetLeft
    y+=el.offsetTop
  }
  //Returning the x and y as an array
  return [x,y]
}

function verifyCompatibleBrowser(){ 
    this.ver=navigator.appVersion 
    this.dom=document.getElementById?1:0 
    this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0; 
    this.ie4=(document.all && !this.dom)?1:0; 
    this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
 
    this.ns4=(document.layers && !this.dom)?1:0; 
    this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5) 
    return this 
} 
bw=new verifyCompatibleBrowser() 
 
 
var speed=50 
 
var loop, timer 
 
function ConstructObject(obj,nest){ 
    nest=(!nest) ? '':'document.'+nest+'.' 
    this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0; 
    this.css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0; 
    this.scrollHeight=bw.ns4?this.css.document.height:this.el.offsetHeight 
    this.clipHeight=bw.ns4?this.css.clip.height:this.el.offsetHeight 
    this.up=MoveAreaUp;this.down=MoveAreaDown; 
    this.MoveArea=MoveArea; this.x; this.y; 
    this.obj = obj + "Object" 
    eval(this.obj + "=this") 
    return this 
} 
function MoveArea(x,y){ 
    this.x=x;this.y=y 
    this.css.left=this.x 
    this.css.top=this.y 
} 
 
function MoveAreaDown(move){ 
	if(this.y>-this.scrollHeight+objContainer.clipHeight){ 
    this.MoveArea(0,this.y-move) 
    if(loop) setTimeout(this.obj+".down("+move+")",speed) 
	} 
} 
function MoveAreaUp(move){ 
	if(this.y<0){ 
    this.MoveArea(0,this.y-move) 
    if(loop) setTimeout(this.obj+".up("+move+")",speed) 
	} 
} 
 
function PerformScroll(speed){ 
	if(initialised){ 
		loop=true; 
		if(speed>0) objScroller.down(speed) 
		else objScroller.up(speed) 
	} 
} 
 
function CeaseScroll(){ 
    loop=false 
    if(timer) clearTimeout(timer) 
} 
var initialised; 
function InitialiseScrollableArea(){ 
    objContainer=new ConstructObject('divContainer') 
    objScroller=new ConstructObject('divContent','divContainer') 
    objScroller.MoveArea(0,0) 
    objContainer.css.visibility='visible' 
    initialised=true; 
    
    				pos = findPos();
				document.all.divUpControl.style.left=pos[0];
				document.all.divUpControl.style.top=(pos[1]*1)+10;
				document.all.divDownControl.style.left=pos[0];
				document.all.divDownControl.style.top=(pos[1]*1)+170;
				document.all.divContainer.style.left=pos[0];
				
				document.all.divContainer.style.top=(pos[1]*1)+20;
} 
// end absolutely positioned scrollable area object scripts 

function zawartosc(id,ktora){
	new Ajax.Updater('tresc'+ktora, 'strony.php', {parameters:'id='+id, evalScripts:true});
}
