// set up drop downs anywhere in the body of the page. I think the bottom of the page is better.. 
	// but you can experiment with effect on loadtime.
	if (mtDropDown.isSupported()) {

		//==================================================================================================
		// create a set of dropdowns
		//==================================================================================================
		// the first param should always be down, as it is here
		//
		// The second and third param are the top and left offset positions of the menus from their actuators
		// respectively. To make a menu appear a little to the left and bottom of an actuator, you could use
		// something like -5, 5
		//
		// The last parameter can be .topLeft, .bottomLeft, .topRight, or .bottomRight to inidicate the corner
		// of the actuator from which to measure the offset positions above. Here we are saying we want the 
		// menu to appear directly below the bottom left corner of the actuator
		//==================================================================================================
		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
		//==================================================================================================
		
		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("X Ray Equipment", "./medical_equipment.html");
		menu1.addItem("CR Equipment", "./cr_systems.html");
		menu1.addItem("DR Equipment", "./medical_dr_systems.html");
		menu1.addItem("Film Processors", "./film_processors.html");
		menu1.addItem("View Boxes", "./view_boxes.html");
		menu1.addItem("Film and Chemistry", "./xray_film_and_chemistry.html");
		menu1.addItem("Dark Room and X Ray Supplies", "./dark_room_and_Xray_supplies.html");
		menu1.addItem("X Ray Shelves and Storage", "./x_ray_shelves_and_storage.html");
		menu1.addItem("Used Equipment", "./used_equipment.html");
		
	
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("X Ray Equipment", "./veterinary_equipment.html");
		menu2.addItem("CR Equipment", "./cr_systems.html");
		menu2.addItem("DR Equipment", "./veterinary_dr_systems.html");
		menu2.addItem("Film Processors", "./film_processors.html");
		menu2.addItem("View Boxes", "./view_boxes.html");
		menu2.addItem("Film and Chemistry", "./xray_film_and_chemistry.html");
		menu2.addItem("Dark Room and X Ray Supplies", "./dark_room_and_Xray_supplies.html");
		menu2.addItem("X Ray Shelves and Storage", "./x_ray_shelves_and_storage.html");
		menu2.addItem("Used Equipment", "./used_equipment.html");
		
		
	    
			
		
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("X Ray Equipment", "./chiropractic_equipment.html");
		menu3.addItem("CR Equipment", "./cr_systems.html");
		menu3.addItem("DR Equipment", "./Chiropractic_dr_systems.html");
		menu3.addItem("Film Processors", "./film_processors.html");
		menu3.addItem("Tables", "./tables.html");
	   menu3.addItem("Used Equipment", "./used_equipment.html");
	   
	   var menu4 = ms.addMenu(document.getElementById("menu4"));
	   	menu4.addItem("Orthopedic Supplies", "./orthopedic.html");
	   	menu4.addItem("Pillows and Cushions", "./pillows_and_cushion.html");
	   	menu4.addItem("Positioning Products", "./positioning_products.html");
		menu4.addItem("Diagnostic Supplies", "./Diagnostic_supplies.html");
		menu4.addItem("Exam, Therapy & Treatment Supplies", "./exam_therapy_treatment_supplies.html");
	    
		menu4.addItem("Stim and Ultrasound", "./stim_and_ultrasound.html");
		menu4.addItem("Hot and Cold Therapy", "./hot_cold_therapy.html");
		menu4.addItem("Lotion, Gel and Sprays", "./lotions_gel_sprays.html");
		menu4.addItem("View Boxes", "./view_boxes.html");
		
		menu4.addItem("Traction Products", "./Traction_products.html");
		menu4.addItem("X Ray Shelves and Storage", "./x_ray_shelves_and_storage.html");
		menu4.addItem("Film and Chemistry", "./xray_film_and_chemistry.html");
		menu4.addItem("Dark Room and X Ray Supplies", "./dark_room_and_Xray_supplies.html");
		menu4.addItem("Rehab and Therapy", "./rehab_therapy.html");
	
		
		


		//==================================================================================================
		// 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();
	}