// JavaScript Document

// Below are the functions for scrolling a layer 



var myWidth = 0
var myHeight = 0;

function getWindowSize() {
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }

myWidth = myWidth - 240 ; 
myHeight = myHeight - 160 ; 

}


// begin absolutely positioned scrollable area object scripts 
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.SkipAreaDown = SkipAreaDown ;  
	this.SkipAreaUp = SkipAreaUp ;
	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) 
//	window.status =" this.y = " + this.y  ; 
    if(loop) setTimeout(this.obj+".down("+move+")",speed) 
	} 
} 


function MoveAreaUp(move){ 
	if(this.y<0){ 
	    this.MoveArea(0,this.y-move) 
		window.status =" this.y = " + this.y  ; 		
    	if(loop) setTimeout(this.obj+".up("+move+")",speed) 
	} 
} 
 
 
function SkipAreaDown(move){ 
	if(this.y>-this.scrollHeight+objContainer.clipHeight){ 
    this.MoveArea(0,this.y-move) 
//    if(loop) setTimeout(this.obj+".down("+move+")",speed) 
	} 
}
 
 function SkipAreaUp(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(){ 
	getWindowSize();
	
 	if (MM_findObj('divContainer') ) { 
		objContainer=new ConstructObject('divContainer') 
		objContainer.MoveArea(0,0) 
		objContainer.css.width = myWidth + "px" ; 
		objContainer.css.height = myHeight + "px" ; 
//	    objContainer.css.visibility='visible' ;
	}

 	if (MM_findObj('divContent') ) { 
		objScroller=new ConstructObject('divContent','divContainer') 
		objScroller.MoveArea(0,0) 
	}
	
	
	 	if (MM_findObj('divScrollControl') ) { 
		objScrollerControl=new ConstructObject('divScrollControl') 
		objScrollerControl.css.height = myHeight + "px" ; 
}
	
	
	
	 if (MM_findObj('iframe') ) { 
		objiframe=new ConstructObject('iframe') 
		objiframe.css.width = myWidth + "px" ; 
		objiframe.css.height = myHeight  + "px" ; 
	}

    initialised=true; 
}