/**********************************************************************************   
		*   ScrollText 
		*   Copyright (C) 2001 <a href="/dhtmlcentral/thomas_brattli.asp">Thomas Brattli</a>
		*   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 <a href="/dhtmlcentral/thomas_brattli.asp">Thomas Brattli</a> 
		*********************************************************************************/

		function lib_bwcheck()
		{ //Browsercheck (needed)
			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.ie8=(this.ver.indexOf("MSIE 8")>-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.ie8;
			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.ie8 || this.ie7 || this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5);
			return this;
			}
		var bw=new lib_bwcheck()

		//If you want it to move faster you can set this lower, it's the timeout:
		var speed = 30

		//Sets variables to keep track of what's happening
		var loop, timer

		//Object constructor
		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
			}

		// A unit of measure that will be added when setting the position of a layer.
		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
			}

		//Makes the object go up
		function goDown(move)
			{
			if (this.y>-this.scrollHeight+oCont.clipHeight)
				{
				this.moveIt(0,this.y-move)
				if (loop) setTimeout(this.obj+".down("+move+")",speed)
				}
			}

		//Makes the object go down
		function goUp(move)
			{
			if (this.y<0)
				{
				this.moveIt(0,this.y-move)
				if (loop) setTimeout(this.obj+".up("+move+")",speed)
				}
			}

		//Calls the scrolling functions. Also checks whether the page is loaded or not.
		function scroll(speed)
			{
			if (scrolltextLoaded)
				{
				loop = true;
				if (speed>0) oScroll.down(speed)
				else oScroll.up(speed)
				}
			}

		//Stops the scrolling (called on mouseout)
		function noScroll()
			{
			loop = false
			if (timer) clearTimeout(timer)
			}

		//Makes the object
		var scrolltextLoaded = false
		function scrolltextInit()
			{
			oCont = new makeObj('divScrollTextCont')
			oScroll = new makeObj('divText','divScrollTextCont')
			oScroll.moveIt(0,0)
			oCont.css.visibility = "visible"
			scrolltextLoaded = true
			}

		//Call the init on page load if the browser is ok...
		if (bw.bw) onload = scrolltextInit