function showmenu(mid)
{
	var obj=document.getElementById(mid);
	obj.style.display='block';
}
function closemenu(mid)
{
	var obj=document.getElementById(mid);
	obj.style.display='none';
}

function showmain(lid)
{
	for (i=1;i<=6;i++)
	{
		var lobj=document.getElementById("ml"+i);
		var bobj=document.getElementById("mb"+i);
		if (i==lid)
		{
			lobj.style.backgroundImage='url(images/mlm.jpg)';
			lobj.style.color='#000000';
			bobj.style.display='block';
			if (lid==1){lobj.style.backgroundImage='url(images/mll.gif)';}
			if (lid==6){lobj.style.backgroundImage='url(images/mlr.gif)';}
		}
		else
		{
			lobj.style.background='transparent';
			lobj.style.color='#ffffff';
			bobj.style.display='none';
		}
	}
	document.getElementById("mainbody").style.backgroundImage='url(images/main'+lid+'.png)';
}