//	Created by SADAS
//	http://www.dreinius.net/


var ns4=(document.layers);
var ie4=(document.all&&!document.getElementById);
var ie5=(document.all&&document.getElementById);
var ns6=(!document.all&&document.getElementById);

function menu(panel_id)
{
	if(ie4)
	{
		if(document.all[panel_id].style.display!='none')
		{
			document.all[panel_id].style.display='none';
		}
		else
		{
			document.all[panel_id].style.display='';
		}
	}
	else if(ie5||ns6)
	{
		if(document.getElementById( panel_id ).style.display!='none')
		{
			document.getElementById( panel_id ).style.display='none';
		}
		else
		{
			document.getElementById(panel_id).style.display='';
		}
	}
}