/****************************************************************************   
DHTML library from DHTMLCentral.com
*   Copyright (C) 2001 Thomas Brattli 2001
*   This script was released at DHTMLCentral.com
*   Visit for more great scripts!
*   This may be used and changed freely as long as this msg is intact!
*   We will also appreciate any links you could give us.
*
*   Made by Thomas Brattli 2001
***************************************************************************/

//Browsercheck (needed) ***************
function lib_bwcheck(){ 
	this.ver = navigator.appVersion;
	this.agent = navigator.userAgent;
	this.dom = document.getElementById?1:0;
	this.opera6 = (this.agent.indexOf("Opera 6")>-1 && this.dom && !this.opera5)?1:0;
	this.opera5 = this.agent.indexOf("Opera 5")>-1;
	this.ie6 = (this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
	this.ie5 = (this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 
	this.ie4 = (document.all && !this.dom && !this.opera5)?1:0;
	this.ie = (this.ie4||this.ie5||this.ie6);
	this.mac = this.agent.indexOf("Mac")>-1;
	this.ns6 = (this.dom && parseInt(this.ver) >= 5)?1:0; 
	this.ns4 = (document.layers && !this.dom)?1:0;
	this.bw = (this.ie6||this.ie5||this.ie4||this.ns6||this.ns4||this.opera6||this.opera5);
	return this;
}
var bw = new lib_bwcheck() //Browsercheck object

//Debug function ******************
function lib_message(txt){alert(txt); return false}

//Lib objects  ********************
function lib_obj(obj,nest){ 
	if(!bw.bw) 
		return lib_message('Old browser');
	nest = (!nest) ? "":'document.' + nest + '.';
	this.evnt = bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest + "document.layers." + obj):0;	
	if(!this.evnt) 
		return lib_message('The layer does not exist (' + obj + ')' + '- \nIf you\'re using Netscape please check the nesting of your tags!');
	this.css = bw.dom||bw.ie4?this.evnt.style:this.evnt; 
	this.ref = bw.dom||bw.ie4?document:this.css.document;
	this.x = parseInt(this.css.left)||this.css.pixelLeft||this.evnt.offsetLeft||0;
	this.y = parseInt(this.css.top)||this.css.pixelTop||this.evnt.offsetTop||0;
	this.w = this.evnt.offsetWidth||this.css.clip.width||this.ref.width||this.css.pixelWidth||0; 
	this.h = this.evnt.offsetHeight||this.css.clip.height||this.ref.height||this.css.pixelHeight||0;
	this.c = 0; //Clip values
	if((bw.dom||bw.ie4) && this.css.clip) {
		this.c = this.css.clip;
		this.c = this.c.slice(5,this.c.length-1); 
		this.c = this.c.split(' ');
		for(var i=0; i<4; i++) {
			this.c[i] = parseInt(this.c[i])
		}
	}
	this.ct = this.css.clip.top||this.c[0]||0; 
	this.cr = this.css.clip.right||this.c[1]||this.w||0;
	this.cb = this.css.clip.bottom||this.c[2]||this.h||0; 
	this.cl = this.css.clip.left||this.c[3]||0;
	this.moveIt = lib_obj.prototype.moveIt;
	this.obj = obj + "Object"; 
	eval(this.obj + "= this");
	return this;
}

// A unit of measure that will be added when setting the position of a layer.
var px = bw.ns4||window.opera?"":"px";

//Moving object to **************
lib_obj.prototype.moveIt = function(x,y){
	this.x = x;
	this.y = y; 
	this.css.left = this.x + px;
	this.css.top = this.y + px;
}

//Moving object by ***************
lib_obj.prototype.moveBy = function(x,y){
  this.css.left = this.x += x; 
  this.css.top = this.y += y
}

//Showing object ************
lib_obj.prototype.showIt = function(){this.css.visibility="visible"}

//Hiding object **********
lib_obj.prototype.hideIt = function(){this.css.visibility="hidden"}

//Remove object ************
lib_obj.prototype.loseIt = function(){this.css.display="none"}

//Replace object **********
lib_obj.prototype.findIt = function(){this.css.display="block"}

//Changing backgroundcolor ***************
lib_obj.prototype.bg = function(color){ 
	if(bw.opera) 
		this.css.background = color
	else if(bw.dom || bw.ie4) 
		this.css.backgroundColor = color
	else if(bw.ns4) 
		this.css.bgColor = color  
}

//Writing content to object ***
lib_obj.prototype.writeIt = function(text,startHTML,endHTML){
	if(bw.ns4){
		if(!startHTML){
			startHTML=""; 
			endHTML="";
		}
		this.ref.open("text/html"); 
		this.ref.write(startHTML + text + endHTML); 
		this.ref.close();
	}
	else 
		this.evnt.innerHTML = text;
}

//Clipping object to ******
lib_obj.prototype.clipTo = function(t,r,b,l,setwidth){ 
  this.ct = t; 
  this.cr = r; 
  this.cb = b; 
  this.cl = l;
  if(bw.ns4){
    this.css.clip.top = t;
	this.css.clip.right = r;
    this.css.clip.bottom = b;
	this.css.clip.left = l;
  }
  else{
    if(t < 0)t = 0;
	if(r < 0)r = 0;
	if(b < 0)b = 0;
	if(l < 0)l = 0;
    this.css.clip = "rect("+t+","+r+","+b+","+l+")";
    if(setwidth){
		this.css.pixelWidth = this.css.width = r; 
		this.css.pixelHeight = this.css.height = b;
	}
  }
}

//Clipping object by ******
lib_obj.prototype.clipBy = function(t,r,b,l,setwidth){ 
  this.clipTo(this.ct + t,this.cr + r,this.cb + b,this.cl + l,setwidth)
}

//Clip animation ************
lib_obj.prototype.clipIt = function(t,r,b,l,step,fn,wh){
  tstep = Math.max(Math.max(Math.abs((t-this.ct)/step),Math.abs((r-this.cr)/step)),Math.max(Math.abs((b-this.cb)/step),Math.abs((l-this.cl)/step)));
  if(!this.clipactive){
    this.clipactive = true; 
	if(!wh) 
		wh = 0; 
	if(!fn) 
		fn = 0;
    this.clip(t,r,b,l,(t-this.ct)/tstep,(r-this.cr)/tstep,(b-this.cb)/tstep,(l-this.cl)/tstep,tstep,0, fn,wh);
  }
}
lib_obj.prototype.clip = function(t,r,b,l,ts,rs,bs,ls,tstep,astep,fn,wh){
  if(astep < tstep){
    if(wh) 
		eval(wh); 
    astep++
    this.clipBy(ts,rs,bs,ls,1);
    setTimeout(this.obj+".clip("+t+","+r+","+b+","+l+","+ts+","+rs+","+bs+","+ls+","+tstep+","+astep+",'"+fn+"','"+wh+"')",50)
  }else{
    this.clipactive=false; this.clipTo(t,r,b,l,1);
    if(fn) eval(fn)
  }
}

//Slide animation ***********
lib_obj.prototype.slideIt = function(endx,endy,inc,speed,fn,wh){
  if(!this.slideactive){
    var distx = endx - this.x;
    var disty = endy - this.y
    var num = Math.sqrt(Math.pow(distx,2)+Math.pow(disty,2))/inc
    var dx = distx/num; var dy = disty/num
    this.slideactive = 1; 
    if(!wh) wh=0; if(!fn) fn=0
    this.slide(dx,dy,endx,endy,speed,fn,wh)
    }
}
lib_obj.prototype.slide = function(dx,dy,endx,endy,speed,fn,wh) {
  if (this.slideactive&&
  (Math.floor(Math.abs(dx))<Math.floor(Math.abs(endx-this.x))|| 
    Math.floor(Math.abs(dy))<Math.floor(Math.abs(endy-this.y)))){
    this.moveBy(dx,dy); 
    if(wh) 
		eval(wh);
    setTimeout(this.obj+".slide("+dx+","+dy+","+endx+","+endy+","+speed+",'"+fn+"','"+wh+"')",speed);
  }
  else {
    this.slideactive = 0; 
    this.moveIt(endx,endy);
    if (fn) 
		eval(fn);
  }
}

//Circle animation ****************
lib_obj.prototype.circleIt = function(rad,ainc,a,enda,xc,yc,speed,fn) {
  if ((Math.abs(ainc)<Math.abs(enda-a))) {
    a += ainc
    var x = xc + rad*Math.cos(a*Math.PI/180);
    var y = yc - rad*Math.sin(a*Math.PI/180);
    this.moveIt(x,y);
    setTimeout(this.obj+".circleIt("+rad+","+ainc+","+a+","+enda+","
      +xc+","+yc+","+speed+",'"+fn+"')",speed)
  }else if (fn&&fn!="undefined") eval(fn)
}

//Document size object ********
function lib_doc_size(){ 
  this.x=0;
  this.x2=bw.ie && document.body.offsetWidth-20||innerWidth||0;
  this.y=0;
  this.y2=bw.ie && document.body.offsetHeight-5||innerHeight||0;
  if(!this.x2||!this.y2) 
	  return message('Document has no width or height');
  this.x50=this.x2/2;
  this.y50=this.y2/2;
  return this;
}

//Drag drop functions start *******************
dd_is_active=0; dd_obj=0; dd_mobj=0;
function lib_dd(){
  dd_is_active=1;
  if(bw.ns4){
    document.captureEvents(Event.MOUSEMOVE|Event.MOUSEDOWN|Event.MOUSEUP);
  }
  document.onmousemove=lib_dd_move;
  document.onmousedown=lib_dd_down;
  document.onmouseup=lib_dd_up;
}
lib_obj.prototype.dragdrop = function(obj){
  if(!dd_is_active) lib_dd()
  this.evnt.onmouseover = new Function("lib_dd_over("+this.obj+")");
  this.evnt.onmouseout = new Function("dd_mobj=0");
  if(obj) 
	  this.ddobj = obj;
}
lib_obj.prototype.nodragdrop = function(){
  this.evnt.onmouseover=""; 
  this.evnt.onmouseout="";
  dd_obj=0;
  dd_mobj=0;
}
//Drag drop event functions
function lib_dd_over(obj){dd_mobj=obj}
function lib_dd_up(e){dd_obj=0}
function lib_dd_down(e){ //Mousedown
  if(dd_mobj){
    x=(bw.ns4 || bw.ns6)?e.pageX:event.x||event.clientX;
    y=(bw.ns4 || bw.ns6)?e.pageY:event.y||event.clientY;
    dd_obj=dd_mobj;
    dd_obj.clX=x-dd_obj.x; 
    dd_obj.clY=y-dd_obj.y;
  }
}
function lib_dd_move(e,y,rresize){ //Mousemove
  x=(bw.ns4 || bw.ns6)?e.pageX:event.x||event.clientX
  y=(bw.ns4 || bw.ns6)?e.pageY:event.y||event.clientY
  if(dd_obj){
    nx=x-dd_obj.clX; ny=y-dd_obj.clY
    if(dd_obj.ddobj) dd_obj.ddobj.moveIt(nx,ny)
    else dd_obj.moveIt(nx,ny)
  }
  if(!bw.ns4) return false      
}
//Drag drop functions end *************