/*** Scrolling functions ***/

/********************************************************************************** 
SideScrollMenu 
* 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>and modified by Michael van Ouwerkerk
*********************************************************************************/

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.ie4=(document.all && !this.dom && !this.opera5)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6;
	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.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5);
	return this
}
var bw=new lib_bwcheck();

var tim = 0;
var noScroll = true;
function mLeft(){
	if (!noScroll && oMenu.x<sArrowwidth){
		oMenu.moveBy(sScrollPx,0);
		tim = setTimeout("mLeft()",sScrollspeed);
	}
}
function mRight(){
	if (!noScroll && oMenu.x>-(oMenu.scrollWidth-(pageWidth))-sArrowwidth){
		oMenu.moveBy(-sScrollPx,0);
		tim = setTimeout("mRight()",sScrollspeed);
	}
}
function noMove(){
	clearTimeout(tim);
	noScroll = true;
	sScrollPx = sScrollPxOriginal;
}

function stoperror(){return true}
window.onerror=stoperror

/**************************************************************************
Object part
***************************************************************************/
function makeObj(obj,nest,menu){
	nest = (!nest) ? "":'document.'+nest+'.';
	this.elm = bw.ns4?eval(nest+"document.layers." +obj):bw.ie4?document.all[obj]:document.getElementById(obj);
 	this.css = bw.ns4?this.elm:this.elm.style;
	this.scrollWidth = bw.ns4?this.css.document.width:this.elm.offsetWidth;
	this.x = bw.ns4?this.css.left:this.elm.offsetLeft;
	this.y = bw.ns4?this.css.top:this.elm.offsetTop;
	this.moveBy = b_moveBy;
	this.moveIt = b_moveIt;
	this.clipTo = b_clipTo;
	return this;
}
var px = bw.ns4||window.opera?"":"px";

function b_moveIt(x,y){
	if (x!=null){this.x=x; this.css.left=this.x+px;}
	if (y!=null){this.y=y; this.css.top=this.y+px;}
}
function b_moveBy(x,y){this.x=this.x+x; this.y=this.y+y; this.css.left=this.x+px; this.css.top=this.y+px;}

function b_clipTo(t,r,b,l){
	if(bw.ns4){this.css.clip.top=t; this.css.clip.right=r; this.css.clip.bottom=b; this.css.clip.left=l;}
	else this.css.clip="rect("+t+"px "+r+"px "+b+"px "+l+"px)";
}
/**************************************************************************
Object part end
***************************************************************************/
/**************************************************************************
Init function. Set the placements of the objects here.
***************************************************************************/
var sScrollPxOriginal = sScrollPx;

function sideInit(){
	//Width of the menu, Currently set to the width of the document.
	//If you want the menu to be 500px wide for instance, just
	//set the pageWidth=500 in stead.

	
	//Making the objects...
	oBg = new makeObj('bgfotospeq');
	oMenu = new makeObj('fotospeq','bgfotospeq',1);
	
	//Placing the menucontainer, the layer with links, and the right arrow.
	//oBg.moveIt(sLeft,sTop) //Main div, holds all the other divs.
	//oMenu.moveIt(sArrowwidth,null);
	
	//Setting the width and the visible area of the links.
	if (!bw.ns4) oBg.css.overflow = "hidden";
	if (bw.ns6) oMenu.css.position = "relative";
	//oBg.css.width = pageWidth+px;
	//oBg.clipTo(0,pageWidth,sMenuheight,0);
	oBg.css.visibility = "visible";
	oMenu.css.visibility = "visible";
}

window.onload=function()
{
	init();
}