jQuery Grid Plugin - jqGrid

I have been asked to put buttons inside a jqGrid, but they will not be used for editing the contents of the grid.  They will be a submit button that will sit at the end of each row, and will be greyed out/disabled until the onSelectRow fires.

Based on a couple examples I have found, I'm able to create the buttons as follows:

var ids = $("#myGrid").jqGrid("getDataIDs");

for (var i=0;i < ids.length;i++) {

var cl = ids[i];

sm = "<input style='height:25px;width:65px;' type='submit' value='Re-Send' onclick="$('#myGrid').editRow('"+cl+"');" />";

ca = "<input style='height:25px;width:55px;' type='button' value='Cancel' onclick="$('#myGrid').editRow('"+cl+"');" />";

$("#myGrid").jqGrid("setRowData",ids[i], {msgAct:sm+ca});

}

The text in red above I know won't be in my code, I'm only using it as a placeholder right now. Also, the code is in the loadComplete event.   The buttons are being created, but I'm lost as to how to disable them within the for loop.

What I need to do is the following:

1. Once each of the 2 buttons (in the Action column) has been created, I need to disable both of them.  How do you do this inside the jqGrid programatically?  
2. In the onSelectRow event I'll get the row data I need, and want the Re-Send & Cancel buttons to become active on that row only.  
3. Within the onSelectRow event is where I will look for the click event for the two submit buttons for that row.  
4. Until the row is selected, the buttons should be disabled.

Also, should the 2 buttons on each row be disabled in the loop, or after it finishes?  

Thanks!