/****************************************************************************   
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.opera5=this.agent.indexOf("Opera 5")>-1
  this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 
  this.ie6=(this.ver.indexOf("MSIE 6")>-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.ns4||this.ns6||this.opera5)
  return this
}
//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 your 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.obj = obj + "Object"; eval(this.obj + "=this")
  return this
}
lib_obj.prototype.getLeft = function(){
   return parseInt(this.css.left)||this.css.pixelLeft||this.evnt.offsetLeft||0;
}
lib_obj.prototype.getTop = function(){
   return parseInt(this.css.top)||this.css.pixelTop||this.evnt.offsetTop||0;
}
lib_obj.prototype.getWidth = function(){
   return this.evnt.offsetWidth||this.css.clip.width||this.ref.width||this.css.pixelWidth||0;
}
lib_obj.prototype.getHeight = function(){
   return this.evnt.offsetHeight||this.css.clip.height||this.ref.height||this.css.pixelHeight||0;
}
lib_obj.prototype.getClipBottom = function(){
   return this.css.clip.bottom||this.c[2]||this.h||0;
}

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

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

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

//Hiding object **********
lib_obj.prototype.hideIt = function(){
   this.css.visibility="hidden";
}
//Size object
lib_obj.prototype.sizeIt = function(w, h){
   if(w<0)w=0;
   if(h<0)h=0;
   this.css.pixelWidth = this.css.width = w; 
   this.css.pixelHeight = this.css.height = h;
}
//Size object
lib_obj.prototype.setWidth = function(w){
   if(w<0)w=0;
   this.css.pixelWidth = this.css.width = w; 
}
//Size object
lib_obj.prototype.setHeight = function(h){
   if(h<0)h=0;
   this.css.pixelHeight = this.css.height = h;
}

//Clipping object to ******
lib_obj.prototype.clipTo = function(t,r,b,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(b<0)b=0;
    this.css.clip = "rect("+t+","+r+","+b+","+l+")";
  }
}


//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)
  }
}


//Document size object ********
function lib_doc_size(){
   //if frames noscroll not needed to increase width!!!!
  //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;
  this.x=0;this.x2=bw.ie && document.body.offsetWidth||innerWidth||0;
  this.y=0;this.y2=bw.ie && document.body.offsetHeight||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 *************