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.ie7=(this.ver.indexOf("MSIE 7")>-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.ie7;
      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.ie7||this.ie5||this.ie4||this.ns4||this.ns6||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 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.replace(/[\[,\]]/g,"") + "Object"; eval(this.obj + "=this")
      return this
    }
    
    lib_obj.prototype.getLeft = function(o)
    {
    	var obj;
    	if (o) obj = o; else obj = this.evnt;
		return (obj.offsetParent==null ? obj.offsetLeft : obj.offsetLeft + this.getLeft(obj.offsetParent));
    }
    
    lib_obj.prototype.getTop = function(o)
    {
    	var obj;
    	if (o) obj = o; else obj = this.evnt;
		return (obj.offsetParent==null ? obj.offsetTop : obj.offsetTop + this.getTop(obj.offsetParent));
    }

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

    //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"}

    //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;
        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)
      }
    }