hs.registerOverlay(
    	{
    		thumbnailId: null,
    		overlayId: 'controlbar',
    		position: 'top right',
    		hideOnMouseOut: true
		}
	);
hs.graphicsDir = '../images/graphics/';
hs.outlineType = '';
window.onload = function(){
	hs.preloadImages(5);
}

function visibility(cell)
{
	document.getElementById(cell).style.visibility = "visible";
}
	
function hide(cell)
{
	document.getElementById(cell).style.visibility = "hidden";
}

function over(cell)
{
	document.getElementById(cell).style.background = "#900008";
}

function out(cell)
{
	if (cell.length == ('1'))
	{
		document.getElementById(cell).style.background = "#900008";
	}
	else 
	{
		document.getElementById(cell).style.background = "#C0C0C0";
	}
}