Can the tooltip be expanded to include the x-axis values?

I have a column chart that has values between 1 and 7400+. When I hover over the x-axis line it is easy to get the tooltip for the larger values, but for the columns with small amounts it is very difficult to get the tooltip to popup, you have to be exactly on the x-asis line, which can be very difficult. Below is an example of the chart: ![alt text][1] [1]: /storage/temp/216819-splunkchart.png It would make it a lot easier if hovering over the values would also bring up the tooltip (i.e.: SLES-10.4, SLES-11.3, etc..) Is this possible? I'm familiar with javascript so I'm willing to go that route if necessary.