/*** 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.ie7=(this.ver.indexOf("MSIE 7")>-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.ie7;

	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.ie7 || this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6|| this.ns7 || 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";

}
