<!--
function blocking(active_tab,num_tabs)
{
	if (document.layers) 
	{
		document.layers['tab_' + active_tab].display = 'block';
		for (i=1; i<num_tabs+1; i++)
		{
			if (i != active_tab)
				{document.layers['tab_' + i].display = 'none';}
		}
	}
	else if (document.all)
	{
		document.all['tab_' + active_tab].style.display = '';
		for (i=1; i<num_tabs+1; i++)
		{
			if (i != active_tab)
				{document.all['tab_' + i].style.display = 'none';}
		}
	}
	else if (document.getElementById)
	{
		document.getElementById('tab_' + active_tab).style.display = '';	
		for (i=1; i<num_tabs+1; i++)
		{
			if (i != active_tab)
				{document.getElementById('tab_' + i).style.display = 'none';}
		}
	}
}

function setActiveTab(active_tab)
{
	document.forms['Form1'].active_tab.value = active_tab;
	/*if (document.layers) 
		{document.layers['active_tab'].value = active_tab;}
	else if (document.all)
		{document.all['active_tab'].value = active_tab;}
	else if (document.getElementById)
		{document.getElementById('active_tab').value = active_tab;}	*/
}

if (document.layers)
{
	document.write('Unfortunately Netscape 4 does not support display changes.');
}
else if (!document.getElementById && !document.all)
{
	document.write('Unfortunately your browser does not support DHTML.');
}
// -->