/***************************************************************************************************/
var gi_current_set = 1;
var gs_ad_frame = "ms_tbl_ad_frame";

/***************************************************************************************************/
var utl_ar = new utility_ad_rotator();

function utility_ad_rotator() {

}

utility_ad_rotator.prototype.rotate = function() {
	var lo_frame_object;
	var lo_table_body, lo_table_row;
	var loar_row_cells;
	
	var lo_target_cell, lo_target_panel; 
	
	var li_total_items;
	var li_start_index, li_end_index;
	
	li_start_index = gi_current_set;
	li_end_index = gi_current_set + 4;
	
	lo_frame_object = document.getElementById(gs_ad_frame);
	
	lo_table_body = lo_frame_object.childNodes(0);
	lo_table_row = lo_table_body.childNodes(0);
	loar_row_cells = lo_table_row.childNodes;
	
	li_total_items = loar_row_cells.length;
	
	for (li_child_index = 0; li_child_index < loar_row_cells.length; li_child_index++) {
		lo_target_cell = loar_row_cells(li_child_index);
		lo_target_panel = lo_target_cell.childNodes(0);
	
		if (((li_start_index - 1) <= li_child_index) && (li_child_index <= (li_end_index - 1))) {
			lo_target_panel.style.display = "block";
		} else {
			lo_target_panel.style.display = "none";
		}
	}
	
	gi_current_set = li_end_index + 1;
	if (li_end_index + 1 > li_total_items) {
		gi_current_set = 1;
	}

	setTimeout("utl_ar.rotate();", 5000);
	
	return false;
}