// JavaScript Document

// locate objects in the page
function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

// show and hide layers
function MM_showHideLayers() { //v3.0
  	var i,p,v,obj,args=MM_showHideLayers.arguments;
  	for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
	   	if (obj.style) { obj=obj.style; v=(v=='show')?'block':(v='hide')?'none':v; }
	   	obj.display=v; }
}

function hideAllSubMenus() {

  MM_showHideLayers('submenu1','','hide');
  MM_showHideLayers('submenu2','','hide');
  MM_showHideLayers('submenu3','','hide');
  MM_showHideLayers('submenu4','','hide');
  MM_showHideLayers('submenu5','','hide');
  MM_showHideLayers('submenu6','','hide');
  MM_showHideLayers('submenu7','','hide');

 
}

function turnOffAllMenus() {
	turnOnMenu('menu1','menuLink');
	turnOnMenu('menu2','menuLink');
	turnOnMenu('menu3','menuLink');
	turnOnMenu('menu4','menuLink');
	turnOnMenu('menu5','menuLink');
	turnOnMenu('menu6','menuLink');
	turnOnMenu('menu7','menuLink');
}

function turnOnMenu(t,n) {
  document.getElementById(t).className=n;
}

function showSubMenu(menu,submenu) {
	hideAllSubMenus();
	turnOffAllMenus();
	MM_showHideLayers(submenu,'','show');
	turnOnMenu(menu,'activeMenuLink');
}