function menu(m)
			{
				for(i=0;i<=6;i++)
				{
					document.getElementById("M_"+i).style.display="none";
				}
				document.getElementById(m).style.display="";
			}
			
function overPic(i)
{
   picUrl = "../img/menu_pic_" + i + "_.gif";
   document.getElementById("menu_pic_"+i).src=picUrl;
}

function outPic(i)
{
   picUrl = "../img/menu_pic_" + i + ".gif";
   document.getElementById("menu_pic_"+i).src=picUrl;
}


function indexoverPic(i)
{
   picUrl = "../images/index_menu_" + i + "_.gif";
   document.getElementById("index_menu_"+i).src=picUrl;
}

function indexoutPic(i)
{
   picUrl = "../images/index_menu_" + i + ".gif";
   document.getElementById("index_menu_"+i).src=picUrl;
}

function defaultoverPic(i)
{
   picUrl = "imgs/index_menu_" + i + "_.gif";
   document.getElementById("index_menu_"+i).src=picUrl;
}

function defaultoutPic(i)
{
   picUrl = "imgs/index_menu_" + i + ".gif";
   document.getElementById("index_menu_"+i).src=picUrl;
}