var currentcell;

function SetCurrentCell(cell){
	currentcell = cell;
	currentcell.style.backgroundColor = '#3366CC';
}

function NavMouseOver(cell){

	if(currentcell != cell){	// DONT change the current highlighted cell
		cell.style.backgroundColor = '#3366CC';
	}
}
function NavMouseOut(cell){
	if(currentcell != cell){	// DONT change the current highlighted cell
		cell.style.backgroundColor = '#003366';
	}	
}