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(move){ 
	if(this.y>-this.scrollHeight+objContainer.clipHeight){ 
		this.MoveArea(0,this.y-move) 
		if(loop) setTimeout(this.obj+".down("+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(speed){ 
	if(initialised){ 
		loop=true; 
		if(speed>0) objScroller.down(speed) 
		else objScroller.up(speed) 
	} 
} 
 
function CeaseScroll(){ 
	loop=false 
	if(timer) clearTimeout(timer) 
}
var initialised; 
function InitialiseScrollableArea(){ 
	objContainer=new ConstructObject('topicsCont') 
	objScroller=new ConstructObject('topicsText','topicsCont') 
	objScroller.MoveArea(0,0) 
	objContainer.css.visibility='visible' 
	initialised=true; 
}

// scrooling area - article
var speed2=50 

var loop2, timer2 

function ConstructObject2(obj,nest){ 
	nest=(!nest) ? '':'document.'+nest+'.' 
	this.el2=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0; 
	this.css2=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0; 
	this.scrollHeight2=bw.ns4?this.css2.document.height:this.el2.offsetHeight 
	this.clipHeight2=bw.ns4?this.css2.clip.height:this.el2.offsetHeight 
	this.up=MoveAreaUp2;this.down=MoveAreaDown2; 
	this.MoveArea2=MoveArea2; this.x; this.y; 
	this.obj2 = obj + "Object" 
	eval(this.obj2 + "=this") 
	return this 
}
function MoveArea2(x,y){ 
	this.x=x;this.y=y 
	this.css2.left=this.x 
	this.css2.top=this.y 
}

function MoveAreaDown2(move){ 
	if(this.y>-this.scrollHeight2+objContainer2.clipHeight2){ 
		this.MoveArea2(0,this.y-move) 
		if(loop2) setTimeout(this.obj2+".down("+move+")",speed2) 
	} 
}

function MoveAreaUp2(move){ 
	if(this.y<0){ 
		this.MoveArea2(0,this.y-move) 
		if(loop2) setTimeout(this.obj2+".up("+move+")",speed2) 
	}
}
 
function PerformScroll2(speed2){ 
	if(initialised){ 
		loop2=true; 
		if(speed2>0) objScroller2.down(speed2) 
		else objScroller2.up(speed2) 
	} 
} 
 
function CeaseScroll2(){ 
	loop2=false 
	if(timer2) clearTimeout(timer2) 
} 
var initialised; 
function InitialiseScrollableArea2(){ 
	objContainer2=new ConstructObject2('articleCont') 
	objScroller2=new ConstructObject2('articleText','articleCont') 
	objScroller2.MoveArea2(0,0) 
	objContainer2.css2.visibility='visible' 
	initialised=true; 
}

// end absolutely positioned scrollable area object scripts

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