document.onclick=hidemenu;

button_on = new Array('/buttons/homepage_on.gif','/buttons/contact_on.gif','/buttons/whydocsos_on.gif','/buttons/disaster_on.gif','/buttons/international_on.gif','/buttons/insurance_on.gif','/buttons/historical_on.gif','/buttons/valuable_on.gif','/buttons/jobupdate_on.gif','/buttons/247recovery_on.gif','/buttons/businesscon_on.gif','/buttons/related_on.gif','/buttons/aboutdocsos_on.gif','/buttons/docsosevents_on.gif','/buttons/mediapack_on.gif','/buttons/links_on.gif');
button_off = new Array('/buttons/homepage.gif','/buttons/contact.gif','/buttons/whydocsos.gif','/buttons/disaster.gif','/buttons/international.gif','/buttons/insurance.gif','/buttons/historical.gif','/buttons/valuable.gif','/buttons/jobupdate.gif','/buttons/247recovery.gif','/buttons/businesscon.gif','/buttons/related.gif','/buttons/aboutdocsos.gif','/buttons/docsosevents.gif','/buttons/mediapack.gif','/buttons/links.gif');


function showmenu(n,nn)
{

hidemenu();

var menu = document.getElementById("menu_"+n);

menu.style.visibility="visible";

if(nn != null) {
	var submenu = document.getElementById("menu_"+nn);
	submenu.style.visibility="visible";


}
			
}

function hidemenu()
{

var menuone = document.getElementById('menu_1');
var menuoneone = document.getElementById('menu_11');
var menuonethree = document.getElementById('menu_13');
var menutwo = document.getElementById('menu_2');
var menuthree = document.getElementById('menu_3');
var menufour = document.getElementById('menu_4');
var menufive = document.getElementById('menu_5');
var menusix = document.getElementById('menu_6');
var menuseven = document.getElementById('menu_7');

menuone.style.visibility="hidden";
menuoneone.style.visibility="hidden";
menuonethree.style.visibility="hidden";
menutwo.style.visibility="hidden";
menuthree.style.visibility="hidden";
menufour.style.visibility="hidden";
menufive.style.visibility="hidden";
menusix.style.visibility="hidden";
menuseven.style.visibility="hidden";

}

function on_over(button, num) {

document.getElementById(button).src = button_on[num];


}

function on_out(button, num) {

document.getElementById(button).src = button_off[num];

}