var slideThumbRailLeft = 0;
var slideMoving = 0;
var slideMovingTimer;
var slideDirection = 0;

function thumbRailStart(direction)
{
	if(!slideMoving)
	{
		slideMoving = 1;
		slideDirection = direction;
		thumbRailMove();
	}	
}

function thumbRailMove()
{
	if(slideMoving)
	{
		if(slideDirection)
		{
			document.getElementById('slideThumbRail').style.left = (slideThumbRailLeft + slideDirection * 5) + 'px';
			slideThumbRailLeft += slideDirection * 5;
		} 
		
		slideMovingTimer = setTimeout('thumbRailMove()', 50);
	}
}

function thumbRailStop()
{
	slideMoving = 0;
	slideDirection = 0;
	clearTimeout(slideMovingTimer);
}