//Define global variables 
var timerID = null; 
var timerOn = false; 
var timecount = 500; 
///////////////////////////////////


//browser detection junk
var exclude=1;
var agt=navigator.userAgent.toLowerCase();
var win=0;var mac=0;var lin=1;
if(agt.indexOf('win')!=-1){win=1;lin=0;}
if(agt.indexOf('mac')!=-1){mac=1;lin=0;}
var lnx=0;if(lin){lnx=1;}
var ice=0;
var ie=0;var ie4=0;var ie5=0;var ie6=0;var com=0;var dcm;
var op5=0;var op6=0;var op7=0;
var ns4=0;var ns6=0;var ns7=0;var mz7=0;var kde=0;var saf=0;
if(typeof navigator.vendor!="undefined" && navigator.vendor=="KDE"){
	var thisKDE=agt;
	var splitKDE=thisKDE.split("konqueror/");
	var aKDE=splitKDE[1].split("; ");
	var KDEn=parseFloat(aKDE[0]);
	if(KDEn>=2.2){
		kde=1;
		ns6=1;
		exclude=0;
		}
	}
else if(agt.indexOf('webtv')!=-1){exclude=1;}
else if(typeof window.opera!="undefined"){
	exclude=0;
	if(agt.indexOf("opera/5")!=-1||agt.indexOf("opera 5")!=-1){op5=1;}
	if(agt.indexOf("opera/6")!=-1||agt.indexOf("opera 6")!=-1){op6=1;}
	if(agt.indexOf("opera/7")!=-1||agt.indexOf("opera 7")!=-1){op7=1;}
	}
else if(typeof document.all!="undefined"&&!kde){
	exclude=0;
	ie=1;
	if(typeof document.getElementById!="undefined"){
		ie5=1;
		if(agt.indexOf("msie 6")!=-1){
			ie6=1;
			dcm=document.compatMode;
			if(dcm!="BackCompat"){com=1;}
			}
		}
	else{ie4=1;}
	}
else if(typeof document.getElementById!="undefined"){
	exclude=0;
	if(agt.indexOf("netscape/6")!=-1||agt.indexOf("netscape6")!=-1){ns6=1;}
	else if(agt.indexOf("netscape/7")!=-1||agt.indexOf("netscape7")!=-1){ns6=1;ns7=1;}
	else if(agt.indexOf("gecko")!=-1){ns6=1;mz7=1;}
	if(agt.indexOf("safari")!=-1 || (typeof document.childNodes!="undefined" && typeof document.all=="undefined" && typeof navigator.taintEnabled=="undefined")){mz7=0;ns6=1;saf=1;}
	}
else if((agt.indexOf('mozilla')!=-1)&&(parseInt(navigator.appVersion)>=4)){
	exclude=0;
	ns4=1;
	if(typeof navigator.mimeTypes['*']=="undefined"){
		exclude=1;
		ns4=0;
		}
	}
if(agt.indexOf('escape')!=-1){exclude=1;ns4=0;}
if(typeof navigator.__ice_version!="undefined"){exclude=1;ie4=0;}
/////end browser detection


function showDivs (divName,divNumber)
{
	aDivName = divName + divNumber;
	tDivs = 3

	for (i=1; i<=tDivs;i++)
	{
		if (divName + i == aDivName)
		{
			toggleDiv(divName + i, "visible");
		}
		else
		{
			toggleDiv(divName + i, "hidden");
		}
	}
}

function toggleDiv (divName,val)
{
        if(ns4)
        {
		document(divName).visibility= val;
        }
        if(ie4)
        {
  		document.all(divName).style.visibility = val;
        }
        if(ns7 || ns6 || op7 || op6 || op5 || saf || ie5 || ie6 || mac)
        {
		document.getElementById(divName).style.visibility = val;
        }
}

function change(id)
{
	identity = document.getElementById(id);

	if (identity.className == "btn_off" )
	{
		newClass = "btn_on";
	}
	else
	{
		newClass = "btn_off";
	}
	
	nme = new Array(10);
	nme[0] = "one";
	nme[1] = "two";
	nme[2] = "three";

	var i = 0;
	
	for (i=0;i<=2; i++)
	{
		if (document.getElementById(nme[i]) != identity)
		{
			document.getElementById(nme[i]).className = "btn_off";
		}
		else
		{
			document.getElementById(nme[i]).className = "btn_on";
		}
	}
}

function change2(nme, val) {

	identity = document.getElementById(nme);

	identity.className = val;

}


function hideAll()
{

	tDivs = 3

	for (i=1; i<=tDivs;i++)
	{
		toggleDiv("area_" + i, "hidden");
	}
	
}

function startTime() 
{
	if (timerOn == false)
	{
		timerID=setTimeout( "hideAll()" , timecount); 
 		timerOn = true; 
 	} 
}


function stopTime() 
{ 
	if (timerOn)
	{
		clearTimeout(timerID);
 		timerID = null;
 		timerOn = false;
 	}
}