
// begin absolutely positioned scrollable area object scripts 
// Extension developed by David G. Miles 
// Original Scrollable Area code developed by Thomas Brattli 
//
// multiple instances areas in one page development by Eko Seno P. <saynofx@gmail.com> 3/7/2006 2:27 PM

function verifyCompatibleBrowser(){ 
    this.ver=navigator.appVersion 
    this.dom=document.getElementById?1:0 
    this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0; 
    this.ie4=(document.all && !this.dom)?1:0; 
    this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
 
    this.ns4=(document.layers && !this.dom)?1:0; 
    this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5) 
    return this 
} 
bw=new verifyCompatibleBrowser() 
 
var speed=50 
 
var loop, timer 
 
function ConstructObject(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=MoveAreaUp;this.down=MoveAreaDown; 
    this.MoveArea=MoveArea; this.x; this.y; 
    this.obj = obj + "Object" 
    eval(this.obj + "=this") 
    return this 
} 
function MoveArea(x,y){ 
    this.x=x;this.y=y 
    this.css.left=this.x 
    this.css.top=this.y 
} 
function MoveAreaDown(name, move){ 
	if(this.y>-this.scrollHeight+objContainer[name].clipHeight){ 
    this.MoveArea(0,this.y-move) 
    if(loop) setTimeout(this.obj+".down('"+name+"', "+move+")",speed) 
	} 
} 
function MoveAreaUp(move){ 
	if(this.y<0){ 
    this.MoveArea(0,this.y-move) 
    if(loop) setTimeout(this.obj+".up("+move+")",speed) 
	} 
} 
function PerformScroll(name, speed){ 
	if(initialised[name]){ 
		loop=true; 
		if(speed>0) objScroller[name].down(name, speed) 
		else objScroller[name].up(speed) 
	} 
} 
function CeaseScroll(name){ 
    loop=false 
    if(timer) clearTimeout(timer) 
} 

var initialised = new Array(); 
var objContainer = new Array(); 
var objScroller = new Array(); 

function InitialiseScrollableArea(name){ 
    objContainer[name]=new ConstructObject('container'+name) 
    objScroller[name]=new ConstructObject('content'+name,'container'+name) 
    objScroller[name].MoveArea(0,0) 
    objContainer[name].css.visibility='visible' 
    initialised[name]=true; 
} 
// end absolutely positioned scrollable area object scripts 