/**
 * show a tab on a tabbed table
 */
function showTab (selectedCell, tabNumber) {

	//get the labels row that the selected cell is on
	var tabRow = selectedCell.parentNode;
	//get the TBODY for the tabbedTable
	var tbody = tabRow.parentNode;
	//get the tabbedTable object itself
	var tabbedTable = tbody.parentNode;
		
	// add state info to nav frame
	if (parent.nav && parent.nav.dtCurrent) {
			parent.nav.dtCurrent.addTable (tabbedTable.id , selectedCell.id, tabNumber);	
	}
	
	/* 2007-10-26: modified to use standard DOM methods for Firefox support */
	/*** cells in row 0 are the labels
	//set all labels to be "unselected
	for (var  i=0; i < tabbedTable.rows[0].cells.length; i++) {
		if (tabbedTable.rows[0].cells[i].className == "selectedTab") {
			tabbedTable.rows[0].cells[i].className  = "unselectedTab";
		}
	}*/
	// switch tabs
	for (var  i=0; i < tabbedTable.rows.item(0).cells.length; i++) {
		if (tabbedTable.rows.item(0).cells.item(i).className == "selectedTab") {
			tabbedTable.rows.item(0).cells.item(i).className  = "unselectedTab";
		}
	}
	
	//set the selected cell tp be "selected"
	selectedCell.className = "selectedTab";

	/* 2007-10-26: modified to use standard DOM methods for Firefox support */
	/* ** cells in row 1 are the tab bodies 
	for (var  i=0; i < tabbedTable.rows[1].cells.length; i++) {
		//show the cell at tabNumber
		if (i == tabNumber) {
			tabbedTable.rows[1].cells[i].style.display = "";
		} else  {
			tabbedTable.rows[1].cells[i].style.display = "none";
		} 
	}*/
	// switch tab body - row #0 is tab row, so start from row #1
	for (var  i=1; i < tabbedTable.rows.length; i++) {
		//show the row at tabNumber
		if (i  == (tabNumber + 1)) {
			tabbedTable.rows.item(i).style.display = "";
		} else  {
			tabbedTable.rows.item(i).style.display = "none";
		} 
	}
}