
/********************************************************************************
$Id: scroll.js,v 1.2 2001/01/02 15:16:35 rtl4 Exp $
********************************************************************************
Browsercheck:*/
ie=document.all?1:0
n=document.layers?1:0

/*********************************************************************************
These are the variables you have to set:
*********************************************************************************/

//The speed of the timeout between each scroll.
timSpeed=25

//The height of the container (change this when it scrolls to much or to little)
contHeight=40

/*********************************************************************************
This is the object constructor function, which applies
methods and properties to the Cross-browser layer object
*********************************************************************************/
function makeScrollObj(obj,nest){
	nest=(!nest) ? '':'document.'+nest+'.'										
	this.css=(n) ? eval(nest+'document.'+obj):eval('document.all.'+obj+'.style')							
	this.scrollHeight=n?this.css.document.height:eval('document.all.'+obj+'.offsetHeight')							
	this.top=b_gettop										
	return this
}
//Getting the top for the top method
function b_gettop(){
	var gleft=(n) ? eval(this.css.top):eval(this.css.pixelTop);
	return gleft;
}
//Variables
var scrollTim;
var active=0;
/*********************************************************************************
The scroll function. Checks what way to scroll and checks if the
layer is not already on top or bottom.
*********************************************************************************/
function scroll(speed){
	clearTimeout(scrollTim)
	way=speed>0?1:0
	if((!way && oScroll[active].top()>-oScroll[active].scrollHeight+contHeight) || (oScroll[active].top()<0 && way)){
		oScroll[active].css.top=oScroll[active].top()+speed
		scrollTim=setTimeout("scroll("+speed+")",timSpeed)
	}
}
//Clears the timeout so the scroll stops, this is called onmouseout.
function noScroll(){
	clearTimeout(scrollTim)
}
/*********************************************************************************
Changes the active layer. Hides the one that's visible and
shows the "new" one. Also set's the new layers top to
0 so it starts at top.
*********************************************************************************/
function changeActive(num){
	oScroll[active].css.visibility='hidden'
	active=num
	oScroll[active].css.top=0
	oScroll[active].css.visibility='visible'
}
/*********************************************************************************
Initilizes the page, makes a oScroll Array and calls the object constructor.
Here you can add as many scrollObjects as you want
*********************************************************************************/
function scrollInit(){
	oScroll=new Array()
	oScroll[0]=new	makeScrollObj('divScroll1','divCont')
//	oScroll[1]=new	makeScrollObj('divScroll2','divCont')
//	oScroll[2]=new	makeScrollObj('divScroll3','divCont')
//	oScroll[3]=new	makeScrollObj('divScroll4','divCont')
	oScroll[0].css.visibility='visible'
}
/*********************************************************************************
Executes the scrollInit function on pageload.
*********************************************************************************/
//because we are calling display() from the onload triggers in the vacancy
//pages, we must call scrollInit() from there also.
//onload=scrollInit;
