function f_show_submenu(s_submenu)
{
	//var o_menu1 =  window.document.getElementById('menu1');
	//var o_menu2 =  window.document.getElementById('menu2');
	var o_submenu1 =  window.document.getElementById('submenu1');
	var o_submenu2 =  window.document.getElementById('submenu2');
	var o_submenu3 =  window.document.getElementById('submenu3');
	var o_submenu4 =  window.document.getElementById('submenu4');
	var o_submenu5 =  window.document.getElementById('submenu5');
	var o_submenu6 =  window.document.getElementById('submenu6');

	
	//alert(o_submenu1.style.display=="block");
	//alert(typeof o_submenu1.style.display);
	
	f_close_submenu();

	if(s_submenu=="submenu1")
	{
		o_submenu1.style.display="block";
	}
	if(s_submenu=="submenu2")
	{
		o_submenu2.style.display="block";
	}	
	if(s_submenu=="submenu3")
	{
		o_submenu3.style.display="block";
	}
	if(s_submenu=="submenu4")
	{
		o_submenu4.style.display="block";
	}	
	if(s_submenu=="submenu5")
	{
		o_submenu5.style.display="block";
	}	
	if(s_submenu=="submenu6")
	{
		o_submenu6.style.display="block";
	}

}

function f_close_submenu()
{
	var o_submenu1 =  window.document.getElementById('submenu1');
	var o_submenu2 =  window.document.getElementById('submenu2');
	var o_submenu3 =  window.document.getElementById('submenu3');
	var o_submenu4 =  window.document.getElementById('submenu4');
	var o_submenu5 =  window.document.getElementById('submenu5');
	var o_submenu6 =  window.document.getElementById('submenu6');

	o_submenu1.style.display="none";
	o_submenu2.style.display="none";
	o_submenu3.style.display="none";
	o_submenu4.style.display="none";
	o_submenu5.style.display="none";
	o_submenu6.style.display="none";
}