// JavaScript Document
function showtab(tabid)
{
	// Close open divs
	var divs = document.body.getElementsByTagName("div");
	var count;
	count = divs.length;
	
	for (i = 0; i < count; i++)
	{
		if (typeof(divs[i].id) != "undefined" && null != divs[i].id && divs[i].id.length > 0)
		{
			if (divs[i].id.substr(0, 4) == 'con_')
			{
				divs[i].style.display = 'none';
			}
			if (divs[i].id.substr(0, 4) == 'tab_')
			{
				divs[i].style.borderBottomWidth = '1px';
				divs[i].style.borderBottomStyle = 'solid';
				divs[i].style.borderBottomColor = '#999999';
				divs[i].style.background = 'none';
			}
		}
	} 
	
	var tab;
	tab = document.getElementById('tab_' + tabid);
	tab.style.borderBottomColor = '#ffffff';
	tab.style.backgroundColor = '#eeeeee';
	tab.style.zIndex = 0;
	
	var con;
	con = document.getElementById('con_' + tabid);
	con.style.display = 'block';
	con.style.zIndex = -1;
}