// Scroll Text

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 = 270;


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){
	clearTimeout(scrollTim)
	way = speed>0?1:0;
	if ((!way && oScroll[active].top()>-oScroll[active].height+contHeight) || (oScroll[active].top()<0 && way)){
		oScroll[active].css.top = (oScroll[active].top()+speed)+px;
		scrollTim = setTimeout("scroll("+speed+")",timSpeed);
	}
}

function noScroll(){
	clearTimeout(scrollTim);
}



function scrollInit(){
	oScroll = new Array();
	if(document.getElementById('divScroll')){
		oScroll[0] = new makeScrollObj('divScroll','divCont');
		oScroll[0].css.left = 0+px;
		oScroll[0].css.top = 0+px;
		oScroll[0].css.visibility = "visible";
	}
}

//onload = scrollInit;