// JavaScript Document
  	function showSubMenu() {
  	         closeSubMenu();
			obj =  document.getElementById('submenu');
        	obj.style.display = 'block';
    	}
		function closeSubMenu() {
		
			obj =  document.getElementById('submenu');
        	obj.style.display = 'none';
			obj2 =  document.getElementById('submenu2');
        	obj2.style.display = 'none';
			obj3 =  document.getElementById('submenu3');
        	obj3.style.display = 'none';
            obj4 =  document.getElementById('submenu4');
        	obj4.style.display = 'none';
    	}		
		
		function showSubMenu2() {
		    closeSubMenu();
			obj =  document.getElementById('submenu2');
        	obj.style.display = 'block';
    	}
		
		
		function showSubMenu3() {
		
		    closeSubMenu();
			obj =  document.getElementById('submenu3');
        	obj.style.display = 'block';

    	}
        function showSubMenu4() {
            closeSubMenu();
			obj =  document.getElementById('submenu4');
        	obj.style.display = 'block';
    	}