function lib_bwcheck(){ // Overenie typu prehliadača
   this.ver=navigator.appVersion
   this.agent=navigator.userAgent
   this.dom=document.getElementById?1:0
   this.opera5=this.agent.indexOf("Opera 5")>-1
   this.opera=this.agent.indexOf("Opera")>-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
}
var bw=new lib_bwcheck()



var speed = 20

var loop, timer

function makeObj(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=goUp;this.down=goDown;
   this.moveIt=moveIt; this.x=0; this.y=0;
this.obj = obj + "Object"
eval(this.obj + "=this")
return this
}



var px = bw.ns4||window.opera?"":"px";

function moveIt(x,y){
   this.x = x
   this.y = y
   this.css.left = this.x+px
   this.css.top = this.y+px
}

// dynamicka zmena stylu





// Spôsobí pohyb objektu nahor
function goDown(move){
   if (this.y>-this.scrollHeight+oCont.clipHeight){
       this.moveIt(0,this.y-move)
           if (loop) setTimeout(this.obj+".down("+move+")",speed)
   }
}
// A táto funkcia zasa nadol
function goUp(move){
   if (this.y<0){
       this.moveIt(0,this.y-move)
       if (loop) setTimeout(this.obj+".up("+move+")",speed)
   }
}

//Zavolá funkcie potrebné k skrolovaniu. Samozrejme až potom ako je stránka naloadovaná
function scroll(speed){
   if (scrolltextLoaded){
       loop = true;
       if (speed>0) oScroll.down(speed)
       else oScroll.up(speed)
   }
}

//Zastaví pohyb
function noScroll(){
   loop = false
   if (timer) clearTimeout(timer)
}
//Vytvorí objekt
var scrolltextLoaded = false
function scrolltextInit(){
   oCont = new makeObj('divScrollTextCont')
   oScroll = new makeObj('divText','divScrollTextCont')
   oScroll.moveIt(0,0)
   oCont.css.visibility = "visible"
   scrolltextLoaded = true
}
//Spustí celý proces ak je stránka naloadovaná a browser je OK
//if (bw.bw) onload = scrolltextInit