var maxlength = 10;
	OneA = new Array;
	var trueLength = OneA.length;  
	var lst = OneA.length;              

		
				
	function search_formChangeMenu() {
		   OneA.length = 0;
		   menuNum = document.helpcentre.specialism.selectedIndex;
		   if (menuNum == null) return; 
 
	NewOpt = new Array;
	NewVal = new Array;
/*
DOMESTIC CUSTOMER MENU
*/
	if (menuNum == 1) {
    	NewOpt[0] = new Option("Choose an Option");	NewOpt[0].value = 'index.jsp'; 
		NewOpt[1] = new Option("Where is Natural Gas Available?");	NewOpt[1].value = '../networks/index.jsp?1nID=102&pID=104&nID=138';
		NewOpt[2] = new Option("How Do I Get connected?");	NewOpt[2].value = '../networks/index.jsp?1nID=102&2nID=115&pID=348&nID=372';
		NewOpt[3] = new Option("Cost of Getting Connected");	NewOpt[3].value = '../networks/index.jsp?1nID=102&2nID=103&pID=190&nID=572'; 
		NewOpt[4] = new Option("Cost of Natural Gas");	NewOpt[4].value = '../networks/index.jsp?pID=348&nID=374';
		NewOpt[5] = new Option("Your Meter Explained");	NewOpt[5].value = '../networks/index.jsp?1nID=102&pID=103&nID=189';
		NewOpt[6] = new Option("Safety Advice");	NewOpt[6].value = '../networks/index.jsp?1nID=102&pID=106&nID=182';
		NewOpt[7] = new Option("Emergency Contact Numbers");	NewOpt[7].value = '../networks/index.jsp?1nID=102&pID=106&nID=181';
		NewOpt[8] = new Option("Find a Registered Gas Installer");	NewOpt[8].value = '../networks/index.jsp?&pID=102&nID=117'; 
		NewOpt[9] = new Option("Appliance, Servicing and Repairs");	NewOpt[9].value = '../networks/index.jsp?1nID=102&2nID=115&pID=348&nID=380'; 		
		NewOpt[10] = new Option("Bill Enquiries");	NewOpt[10].value = '../networks/index.jsp?1nID=102&2nID=115&pID=348&nID=381'; 
		NewOpt[11] = new Option("Moving Home");	NewOpt[11].value = '../networks/index.jsp?1nID=102&2nID=115&pID=348&nID=382'; 
	}
/*
COMMERCIAL CUSTOMER MENU
*/
	if (menuNum == 2) {
    	NewOpt[0] = new Option("Choose an Option");	NewOpt[0].value = 'index.jsp'; 
		NewOpt[1] = new Option("Where is Natural Gas available?");	NewOpt[1].value = '../networks/index.jsp?1nID=102&pID=104&nID=138'; 
		NewOpt[2] = new Option("How Do I Get Connected?");	NewOpt[2].value = '../networks/index.jsp?1nID=102&2nID=103&pID=190&nID=385';
		NewOpt[3] = new Option("Cost of Connection");	NewOpt[3].value = '../networks/index.jsp?1nID=102&2nID=103&pID=190&nID=194';
		NewOpt[4] = new Option("Safety Advice");	NewOpt[4].value = '../networks/index.jsp?&pID=102&nID=106'; 
		NewOpt[5] = new Option("Emergency Contact Numbers");	NewOpt[5].value = '../networks/index.jsp?1nID=102&pID=106&nID=181';
		NewOpt[6] = new Option("Your Meter Explained");	NewOpt[6].value = '../networks/index.jsp?1nID=102&pID=103&nID=189';
		NewOpt[7] = new Option("Find a Registered Gas Installer");	NewOpt[7].value = '../networks/index.jsp?&pID=102&nID=117';
		NewOpt[8] = new Option("Changing Gas Supplier");	NewOpt[8].value = '../networks/index.jsp?1nID=102&2nID=107&pID=206&nID=209';
	} 
/*
INDUSTRIAL CUSTOMER MENU
*/
/*	if (menuNum == 3) {
		NewOpt[0] = new Option("Choose an Option");	NewOpt[0].value = 'index.jsp'; 
    	NewOpt[1] = new Option("Where is natural gas available?");	NewOpt[1].value = '../networks/index.jsp?1nID=102&pID=104&nID=141'; 
		NewOpt[2] = new Option("How Do I Get Connected?");	NewOpt[2].value = '../networks/index.jsp?1nID=102&2nID=103&pID=190&nID=192';
		NewOpt[3] = new Option("How Much Would It Cost?");	NewOpt[3].value = '../networks/index.jsp?1nID=102&2nID=103&pID=190&nID=194';
		NewOpt[4] = new Option("Safety Advice");	NewOpt[4].value = '../networks/index.jsp?&pID=102&nID=107'; 
		NewOpt[5] = new Option("Emergency Contact Numbers");	NewOpt[5].value = '../networks/index.jsp?1nID=102&pID=106&nID=181'; 
		NewOpt[6] = new Option("Your Meter Explained");	NewOpt[6].value = '../networks/index.jsp?1nID=102&pID=103&nID=189'; 
		NewOpt[7] = new Option("Find a Registered Gas Installer");	NewOpt[7].value = '../networks/index.jsp?&pID=102&nID=116'; 
		NewOpt[8] = new Option("Changing Gas Supplier");	NewOpt[8].value = '../networks/index.jsp?1nID=102&2nID=107&pID=206&nID=209'; 
	}  */
/*
CONSTRUCTION INDUSTRY MENU
*/
	if (menuNum == 3) {
        NewOpt[0] = new Option("Choose an Option");	NewOpt[0].value = 'index.jsp'; 
		NewOpt[1] = new Option("Why Natural Gas?");	NewOpt[1].value = '../networks/index.jsp?&pID=102&nID=116'; 
		NewOpt[2] = new Option("Gas Availability");	NewOpt[2].value = '../networks/index.jsp?1nID=102&pID=104&nID=141';
		NewOpt[3] = new Option("Steps to Getting Connected");	NewOpt[3].value = '../networks/index.jsp?1nID=102&pID=116&nID=337';
		NewOpt[4] = new Option("Safety On-Site");	NewOpt[4].value = '../networks/index.jsp?1nID=102&pID=116&nID=335'; 
		NewOpt[5] = new Option("Technical Manual");	NewOpt[5].value = '../networks/index.jsp?1nID=102&pID=116&nID=334';
		NewOpt[6] = new Option("Technical Support");	NewOpt[6].value = '../networks/index.jsp?1nID=102&2nID=116&pID=334&nID=342';
		NewOpt[7] = new Option("Registered Gas Installers");	NewOpt[7].value = '../networks/index.jsp?&pID=102&nID=117';
		NewOpt[8] = new Option("Current Pipeline Projects");	NewOpt[8].value = '../networks/index.jsp?1nID=102&pID=105&nID=369';
	}
/*
SHIPPER MENU ROI
*/
	if (menuNum == 4) {
        NewOpt[0] = new Option("Choose an Option");	NewOpt[0].value = 'index.jsp'; 
		NewOpt[1] = new Option("How to Become a Shipper");	NewOpt[1].value = '../networks/index.jsp?&pID=102&nID=108'; 
		NewOpt[2] = new Option("Codes of Operations");	NewOpt[2].value = '../networks/index.jsp?1nID=102&2nID=108&pID=175&nID=223';
		NewOpt[3] = new Option("Transmission Monthly Reports");	NewOpt[3].value = '../networks/index.jsp?1nID=102&pID=108&nID=246'; 
		NewOpt[4] = new Option("New Connections");	NewOpt[4].value = '../networks/index.jsp?1nID=102&pID=103&nID=190';
		NewOpt[5] = new Option("Transportation Map");	NewOpt[5].value = '../networks/index.jsp?1nID=102&pID=108&nID=501';
		NewOpt[6] = new Option("Energy Conversion Factors");	NewOpt[6].value = '../networks/index.jsp?1nID=102&pID=108&nID=258';
		NewOpt[7] = new Option("Transportation System");	NewOpt[7].value = '../networks/index.jsp?1nID=102&pID=108&nID=217';
		NewOpt[8] = new Option("Transportation Tariffs");	NewOpt[8].value = '../networks/index.jsp?1nID=102&pID=108&nID=231';
	}
	/*
SHIPPER MENU NI
*/
	if (menuNum == 5) {
        NewOpt[0] = new Option("Choose an Option");	NewOpt[0].value = 'index.jsp'; 
		NewOpt[1] = new Option("How to Become a Shipper");	NewOpt[1].value = '../networks/index.jsp?1nID=102&pID=109&nID=311'; 
		NewOpt[2] = new Option("Codes of Operations");	NewOpt[2].value = '../networks/index.jsp?1nID=102&2nID=109&pID=311&nID=318';
		NewOpt[3] = new Option("New Connections");	NewOpt[3].value = '../networks/index.jsp?1nID=102&2nID=109&pID=310&nID=317';
		NewOpt[4] = new Option("Transmission Map");	NewOpt[4].value = '../networks/index.jsp?1nID=102&pID=108&nID=501';
		NewOpt[5] = new Option("Transportation System");	NewOpt[5].value = '../networks/index.jsp?1nID=102&2nID=109&3nID=109&pID=109&nID=311';
		NewOpt[6] = new Option("Transportation Tariffs");	NewOpt[6].value = '../networks/index.jsp?1nID=102&2nID=109&3nID=109&pID=311&nID=319';
	}
/*
INSTALLER MENU
*/
	if (menuNum == 6) {
          NewOpt[0] = new Option("Choose an Option");	NewOpt[0].value = 'index.jsp'; 
		NewOpt[1] = new Option("Registered Gas Installer Information");	NewOpt[1].value = '../networks/index.jsp?&pID=102&nID=117';
		NewOpt[2] = new Option("View Registered Gas Installer List");	NewOpt[2].value = '../networks/index.jsp?1nID=102&pID=117&nID=144';
		NewOpt[3] = new Option("How to Become an Installer");	NewOpt[3].value = '../networks/index.jsp?&pID=102&nID=117'; 
		NewOpt[4] = new Option("Gas Installer Training");	NewOpt[4].value = '../networks/index.jsp?&pID=102&nID=117'; 
		NewOpt[5] = new Option("Contact the Installer Registration Office");	NewOpt[5].value = '../networks/index.jsp?&pID=102&nID=117';
		NewOpt[6] = new Option("Technical Bulletins");	NewOpt[6].value = '../networks/index.jsp?1nID=102&pID=117&nID=416';
	}
/*
VENDOR MENU
*/
	if (menuNum == 7) {
          NewOpt[0] = new Option("Choose an Option");	NewOpt[0].value = 'index.jsp'; 
		NewOpt[1] = new Option("Services Procured by Bord Gais");	NewOpt[1].value = 'index.jsp?1nID=93&2nID=94&pID=114&nID=263'; 
		NewOpt[2] = new Option("How to Become a Bord Gais Supplier");	NewOpt[2].value = 'index.jsp?1nID=93&2nID=94&pID=114&nID=261';
		NewOpt[3] = new Option("View Current Tenders");	NewOpt[3].value = 'index.jsp?1nID=93&2nID=94&pID=114&nID=264';
		NewOpt[4] = new Option("Contact the Bord Gais Purchasing Department");	NewOpt[4].value = 'index.jsp?1nID=93&2nID=94&pID=114&nID=266';
	}
/*
GENERAL MENU
*/
	if (menuNum == 8) {
        NewOpt[0] = new Option("Choose an Option");	NewOpt[0].value = 'index.jsp'; 
		NewOpt[1] = new Option("Bord Gáis at a Glance");	NewOpt[1].value = 'index.jsp?1nID=93&pID=94&nID=145'; 
		NewOpt[2] = new Option("History of Bord Gáis");	NewOpt[2].value = 'index.jsp?1nID=93&pID=94&nID=509';
		NewOpt[3] = new Option("Natural Gas Pipeline Network");	NewOpt[3].value = '../networks/index.jsp?&pID=102&nID=104';
		NewOpt[4] = new Option("Current Pipeline Projects");	NewOpt[4].value = '../networks/index.jsp?&pID=102&nID=105'; 
		NewOpt[5] = new Option("Uses of Natural Gas");	NewOpt[5].value = 'index.jsp?1nID=93&pID=97&nID=352';
		NewOpt[6] = new Option("Story of Natural Gas");	NewOpt[6].value = 'index.jsp?1nID=93&pID=97&nID=353';
		NewOpt[7] = new Option("Bord Gáis Publications");	NewOpt[7].value = 'index.jsp?&pID=93&nID=99';
		NewOpt[8] = new Option("Financial Information");	NewOpt[8].value = 'index.jsp?1nID=93&pID=94&nID=157';
		NewOpt[9] = new Option("Press Releases");	NewOpt[9].value = 'index.jsp?&pID=93&nID=95';
		NewOpt[10] = new Option("Gas Market Opening");	NewOpt[10].value = '../networks/index.jsp?1nID=102&pID=107&nID=202';
		NewOpt[11] = new Option("Securing Natural Gas Supplies");	NewOpt[11].value = 'index.jsp?1nID=93&pID=97&nID=354';
		NewOpt[12] = new Option("Contact Bord Gáis");	NewOpt[12].value = 'index.jsp?&pID=93&nID=100';
	}
	
	
	
  	tot = NewOpt.length;
	lst = document.helpcentre.sector.options.length;
	
	for (i = lst; i > 0; i--) {
	  document.helpcentre.sector.options[i] = null;
	}
	
  	for (i = 0; i < tot; i++) {
	  document.helpcentre.sector.options[i] = NewOpt[i];
	}
  
}