function get_areas(cell, minrange, maxrange)
{

    var tot_area = [];
    while (minrange <= maxrange)
    {
        for (var cell_ in ALL_CIRCLES[cell][minrange])
            push(tot_area, cell_);
        minrange++;
    }
    return (tot_area);
}

function get_lines(cell, i, maxrange)
{
    var lines = [];
    while (i <= maxrange)
    {
        for (var cell_ in ALL_LINES[cell][i])
            push(lines, cell_);
        i++;
    }
    return (lines);
}


function get_cells_touse_tool_oncell(tool, cell)
{
    var cells = [];

    var minrange;
    var maxrange;
    var need_line;

    var los;
    var distance;
    var inline;
    var r_cells;
    if (isWeapon(tool))
    {
        minrange = getWeaponMinRange(tool);
        maxrange = getWeaponMaxRange(tool);
        need_line = isInlineWeapon(tool);
    }
    else if (isChip(tool))
    {
        minrange = getChipMinRange(tool);
        maxrange = getChipMaxRange(tool);
        need_line = isInlineChip(tool);
    }
    if (need_line)
        r_cells = get_lines(cell, minrange, maxrange);
    else
        r_cells = get_areas(cell,  minrange,  maxrange);
    for (var cell_ in r_cells)
    {
        if(tool == CHIP_SPARK || lineOfSight(cell, cell_ ))
                push(cells, cell_);
    }
    return(cells);
}