/**********************************************************************************   
FoldoutMenu2 
*   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> 
*
*   Modified 1/11/2001 by John Adams for Task Geoscience (www.taskgeoscience.com)
*********************************************************************************/

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.ns=this.ns4||this.ns6;
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
	return this
}
var bw=new lib_bwcheck();
var winW, winH;

/*
Determines the browser size and sets winW, winH variables
*/
function browserSize(){
   winW = (bw.ie)? document.body.offsetWidth-20 : window.innerWidth-16 ;
   winH = (bw.ie)? document.body.offsetHeight : window.innerHeight;
   }

/*
Determines the browser size and sets winW, winH variables.
This one ignores vertical scrollbars.
*/
function browserSizeHeader(){
   winW = (bw.ie)? document.body.offsetWidth : window.innerWidth;
   winH = (bw.ie)? document.body.offsetHeight : window.innerHeight;
   }