if (oDropDown.isSupported()) {

		var ms = new oDropDownSet(oDropDown.direction.down, 0, 0, oDropDown.reference.bottomLeft);

		// menu : Services
		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("Welcome", "about.htm"); 
		menu1.addItem("Board of Directors and Management Team", "board.htm"); 
		menu1.addItem("Newsletter", "newsletter.htm"); 
		menu1.addItem("Careers", "careers.htm"); 
        menu1.addItem("Equal Employment", "equal_employment.htm"); 
		menu1.addItem("Safety", "safety.htm"); 
		menu1.addItem("Contact Us", "contact.htm"); 
	
		// menu : Internet
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("Geospace Technologies", "technologies/");
		menu2.addItem("Geospace Engineering Resources International", "engineering.htm");
		menu2.addItem("Geospace Offshore", "offshore/index.php");
		menu2.addItem("OYO Instruments", "http://www.oyoinstruments.com");

					
		// menu : Support
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("Delivering Value", "why.htm");
		menu3.addItem("Annual Reports and Proxy Statements","investor_annualreports.htm");
		menu3.addItem("Presidential Remarks","investor_remarks.htm");
		menu3.addItem("SEC Reports","investor_sec.htm");
		menu3.addItem("Press Releases","investor_press.htm");
		menu3.addItem("Stock Transactions","investor_stock.htm");
		menu3.addItem("Information Request","investor_request.htm");
		menu3.addItem("Code of Business Conduct (pdf)","pdfs/business_conduct.pdf");
		menu3.addItem("Embargoed Countries per U.S. Export Regulations","investor_embargoed.htm");
		menu3.addItem("Charter of the Nominating and Corporate Governance Committee (pdf)","pdfs/nominating_charter.pdf");
		menu3.addItem("Audit Committee Charter (pdf)","pdfs/oyo_audit_committee.pdf");
		menu3.addItem("Charter Compensation Committee (pdf)","pdfs/OYO_ Charter_ Compensation Committee.pdf");
		menu3.addItem("Investor Presentation (pdf)","pdfs/Investor Presentation.pdf");
		menu3.addItem("Why Invest in OYO Geospace? (pdf)","pdfs/Why Invest.pdf");
		
		//var menu4 = ms.addMenu(document.getElementById("menu4"));
		//menu4.addItem("North America", "locations.htm");
		//menu4.addItem("Russia", "locations.htm");
		//menu4.addItem("Europe", "http://www.oyo.co.uk");
		//menu4.addItem("China", "locations.htm");
		
		//var menu5 = ms.addMenu(document.getElementById("menu5"));
		//menu5.addItem("Delivering Value", "why.htm");



		oDropDown.renderAll();
	}