// JScript File

function chkMultiSelection(gvId)
{
    var grid = document.getElementById(gvId);
    var rowCount = grid.rows.length;
    var count;
    var checkCount = 0;
    for(count=0; count<rowCount; count++)
    {
        var checkId = grid.rows[count].cells[0].childNodes[0];
        if(checkId.checked == true)
        {
            checkCount++;
            break;
        }
    }
    if(checkCount == 0)
    {
        alert('Please select a record.');
        return false;
    }   
    return true;
}