$total_grn_value = display_grn_items($_SESSION['supp_trans'], 1);
$total_gl_value = display_gl_items($_SESSION['supp_trans'], 1);
$total_grn_value = display_grn_items($_SESSION['supp_trans'], 1);
$total_gl_value = display_gl_items($_SESSION['supp_trans'], 1);