function toggleMenu(objNum) {
	var menu = new Array(); 
	menu[1] = "menu1";
	menu[2] = "menu2";
	menu[3] = "menu3";
	menu[4] = "menu4";
	menu[5] = "menu5";
	menu[6] = "menu6";
	menu[7] = "menu7";
	menu[8] = "menu8";
	menu[9] = "menu9";
	menu[10] = "menu10";
	
	
	var num_menu_items = 10;
	
	for (i=1;i<= num_menu_items;i++)
    {
		if(i == objNum)
			document.getElementById(menu[i]).style.display = '';
		else
	        document.getElementById(menu[i]).style.display = 'none'; 

     }

}