if (mtDropDown.isSupported()) {

		var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 0, mtDropDown.reference.bottomLeft);

		//==================================================================================================
		// create a dropdown menu
		//==================================================================================================
		// the first parameter should be the HTML element which will act actuator for the menu
		//==================================================================================================

		//==================================================================================================

		//==================================================================================================
		// add a sub-menu
		//==================================================================================================
		// to add a sub menu to an existing menu object, call it's addMenu method and pass it the item from
		// the parent menu which should act as it's actuator. To add a submenu to the fourth item of a menu
		// called "theMenu", you would do theMenu.addMenu(theMenu.items[3])
		//==================================================================================================


		// menu : §Ò¹â¦É³Ò
		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("• Security Systems", "ltagtechproduct.php?id=3&menu_id=524");
		menu1.addItem("• Green Technology", "ltagtechproduct-inmenu.php?id=540");
		
		
		
		
		

	

		//==================================================================================================
		// write drop downs into page
		//==================================================================================================
		// this method writes all the HTML for the menus into the page with document.write(). It must be
		// called within the body of the HTML page.
		//==================================================================================================
		mtDropDown.renderAll();
	}