if (mtDropDown.isSupported()) {
		var ms = new mtDropDownSet(mtDropDown.direction.right, 0, 0, mtDropDown.reference.topRight);

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("Gas Chromatograph","gas-monitoring-system.html#gas-chromatograph");
		menu1.addItem("Gas Analyzer","gas-monitoring-system.html#gas-analyzer");
		menu1.addItem("Flue Gas Analyzer ","gas-monitoring-system.html#fuelgas");
		menu1.addItem("Bio Gas Analyzer","gas-monitoring-system.html#biogas");
		menu1.addItem("Ethylene Ripening System <sup>* New</sup>","gas-monitoring-system.html#fruit-ripening");
		/*menu1.addItem("Toxic/Pollution Control Analyzer","#");*/

		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("Gas Regulators","gas-handling.html#gas-regulator");
		menu2.addItem("Gas Manifold","gas-handling.html#gas-manifold");
	    menu2.addItem("Sampling Bottle","gas-handling.html#sampling-bottle");
		/*menu2.addItem("Connectors & Fittings","gas-handling.html");*/

		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("Instrument Gases","uhp-grade.html#instrument-gases");
		menu3.addItem("Lighting Gases","uhp-grade.html#lighting-gases");
		menu3.addItem("Inert Gases","uhp-grade.html#inert-gases");
		menu3.addItem("Hydrocarbon Gases","uhp-grade.html#hydrocarbon");
	   /* menu3.addItem("Inert Gases","uhp-grade.html#inert");*/
		menu3.addItem("Isotopic Gases","uhp-grade.html#isotopic");
		menu3.addItem("Toxic Gases","uhp-grade.html#toxic");
		menu3.addItem("Pharma Gas","uhp-grade.html#pharma");

		var subMenu3 = menu3.addMenu(menu3.items[3]);
		subMenu3.addItem("Methane Vinlychoride","uhp-grade.html#hydrocarbon");
		subMenu3.addItem("Hydrogen Bromide","uhp-grade.html#hydrocarbon");
		subMenu3.addItem("Methyl Acetylene","uhp-grade.html#hydrocarbon");
		subMenu3.addItem("Ethane","uhp-grade.html#hydrocarbon");
		subMenu3.addItem("Ethylene","uhp-grade.html#hydrocarbon");
		subMenu3.addItem("Propane","uhp-grade.html#hydrocarbon");
		subMenu3.addItem("Propylene","uhp-grade.html#hydrocarbon");
		subMenu3.addItem("Propadiene","uhp-grade.html#hydrocarbon");
		subMenu3.addItem("Dimethyl Ether","uhp-grade.html#hydrocarbon");
		subMenu3.addItem("Butane","uhp-grade.html#hydrocarbon");
		subMenu3.addItem("Isobutane","uhp-grade.html#hydrocarbon");
		subMenu3.addItem("Iso-Butylene","uhp-grade.html#hydrocarbon");
		subMenu3.addItem("1-Butene","uhp-grade.html#hydrocarbon");
		subMenu3.addItem("1,3 /1,2 Butadiene","uhp-grade.html#hydrocarbon");
		subMenu3.addItem("Cis/Trans Butene","uhp-grade.html#hydrocarbon");
		subMenu3.addItem("Carbon Monoxide","uhp-grade.html#hydrocarbon");
		subMenu3.addItem("Carbonyl Sulphide","uhp-grade.html#hydrocarbon");

		var subMenu3 = menu3.addMenu(menu3.items[2]);
		subMenu3.addItem("SF6","uhp-grade.html#inert-gases");
		subMenu3.addItem("Deuterium","uhp-grade.html#inert-gases");
		subMenu3.addItem("Neon","uhp-grade.html#inert-gases");
		subMenu3.addItem("Argon","uhp-grade.html#inert-gases");
		subMenu3.addItem("Krypton","uhp-grade.html#inert-gases");

/*
		var subMenu3 = menu3.addMenu(menu3.items[4]);
		subMenu3.addItem("Hydrogen","#");
		subMenu3.addItem("Nitrogen","#");
		subMenu3.addItem("Air","#");
		subMenu3.addItem("Argon","#");
		subMenu3.addItem("Carbondiooxide","#"); */

		var subMenu3 = menu3.addMenu(menu3.items[5]);
		subMenu3.addItem("He-3","uhp-grade.html#isotopic");
		subMenu3.addItem("Xe-129-124","uhp-grade.html#isotopic");
		subMenu3.addItem("Kr","uhp-grade.html#isotopic");
		subMenu3.addItem("Deutitium","uhp-grade.html#isotopic");

		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("Environmental and Pollution Control Gases","calibration-gas.html#pollution-control");
		menu4.addItem("Medical Application","calibration-gas.html#medical-app");
		menu4.addItem("Laser Application","calibration-gas.html#laser-app");
		menu4.addItem("Automotive Application","calibration-gas.html#automotive-app");
		menu4.addItem("Semiconductor Application","calibration-gas.html#semiconductor-app");
		menu4.addItem("Steel Industry Application","calibration-gas.html#steel-industry-app");
		menu4.addItem("Food Packaging Application","calibration-gas.html#food-packaging");
		menu4.addItem("Reactive Mixtures (Analyzer Calibration)","calibration-gas.html#reactive-mixtures");
		menu4.addItem("Non Reactive Mixtures (Analyzer Calibration)","calibration-gas.html#non-reactive-mixtures");
		menu4.addItem("Mixtures of Lighting Industry","calibration-gas.html#lighting-industry");
		menu4.addItem("Cement Industry Application","calibration-gas.html#cement-industry");
		menu4.addItem("Instrumentation Gas Application","calibration-gas.html#instrumentation-gases");
		menu4.addItem("Petrochemicals & Refineries Application","calibration-gas.html#refinery-petrochemical-app");
		menu4.addItem("Fertilizer Industry Application","calibration-gas.html#fertilizer-industry");
		menu4.addItem("Research Grade Pure Gases / Liquid Ex-Stock","calibration-gas.html#research-grade");
		menu4.addItem("Isotopic Gas","calibration-gas.html#isotopic-gas");
		mtDropDown.renderAll();

		var menu5 = ms.addMenu(document.getElementById("menu5"));
		menu5.addItem("UHP Special Pure Grade Certified H2 (99.9999%)","uhp-grade.html#uhp-special");
		menu5.addItem("Ethylene Ripening System","gas-monitoring-system.html#fruit-ripening");
		menu5.addItem("Biogas analyzer","gas-monitoring-system.html#biogas");
		menu5.addItem("Super critical CO2 gas Extraction Of active ingredients from plants","gas-handling.html#super-critical");
		mtDropDown.renderAll();
	}