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
}
var bw=new lib_bwcheck()
timSpeed = 50
contHeight = 100

function makeScrollObj(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.height=bw.ns4?this.css.document.height:this.el.offsetHeight
	this.top=b_gettop										
	return this
}

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

function b_gettop(){
	var gleft=(bw.ns4 || bw.ns6)?parseInt(this.css.top):eval(this.css.pixelTop);
	return gleft;
}
var scrollTim = 1;
//var active = 0;
function scroll(speed,num){
	clearTimeout(scrollTim)
	way = speed>0?1:0
	if ((!way && oScroll[num].top()>-oScroll[num].height+contHeight) || (oScroll[num].top()<0 && way)){
		oScroll[num].css.top = (oScroll[num].top()+speed)+px
		scrollTim = setTimeout("scroll("+speed+","+num+")",timSpeed)
	}
}
function noScroll(){
	clearTimeout(scrollTim)
}
function scrollInit(){
	oScroll = new Array()
	
	oScroll[0] = new makeScrollObj('divScroll1','divCont1')
	oScroll[1] = new makeScrollObj('divScroll2','divCont2')
	
	oScroll[0].css.left = 0+px
	oScroll[0].css.top = 0+px
	oScroll[0].css.visibility = "visible"
	oScroll[1].css.left = 0+px
	oScroll[1].css.top = 0+px
	oScroll[1].css.visibility = "visible"
	oControl1 = new makeScrollObj('divControl1')
	oControl1.css.visibility = "visible"
	oControl2 = new makeScrollObj('divControl2')
	oControl2.css.visibility = "visible"
}
function scrollInitI(){
	oScroll = new Array()

// Cislo 1	
	oScroll[0] = new makeScrollObj('divScroll1','divCont1')
	oScroll[0].css.left = 0+px
	oScroll[0].css.top = 0+px
	oScroll[0].css.visibility = "visible"
	oControl1 = new makeScrollObj('divControl1')
	oControl1.css.visibility = "visible"

// Cislo 2
//	oScroll[1] = new makeScrollObj('divScroll2','divCont2')
//	oScroll[1].css.left = 0+px
//	oScroll[1].css.top = 0+px
//	oScroll[1].css.visibility = "visible"
//	oControl2 = new makeScrollObj('divControl2')
//	oControl2.css.visibility = "visible"

// Cislo 3
//	oScroll[2] = new makeScrollObj('divScroll3','divCont3')
//	oScroll[2].css.left = 0+px
//	oScroll[2].css.top = 0+px
//	oScroll[2].css.visibility = "visible"
//	oControl3 = new makeScrollObj('divControl3')
//	oControl3.css.visibility = "visible"
}