// JavaScript Document
var slidePos=0;
var slideCurPos=0;
var inMotion=false;
var motionController=0;
function signup()
{$('signinfo').style.display='none';$('signupform').style.display='';}
function $(id) {return document.getElementById(id);}
function slideMinus()
{
	if 	(slidePos<0)
	{
		slidePos+=800;
		moveSlide();
	}
	return false;
}
function slidePlus()
{
	if 	(slidePos>-13600+800)
	{
	slidePos-=800;
	moveSlide();
	}
	return false;
}

function moveSlide()
{
	if (!inMotion)
	{inMotion=true;motionController=setInterval(moveAction,1);}
}

function moveAction()
{
	if (slideCurPos>slidePos)
	{slideCurPos-=50;}
	else {slideCurPos+=50;}
	$('show').style.left=slideCurPos+'px';
	if (slideCurPos==slidePos)
	{inMotion=false;clearInterval(motionController);}
}