var firstTimeCheck = 0;
var lastLink;
var thisSubnav;
var delayTime = 1250;
var timerForThis = setTimeout('hide();', 1);  

function subnavOn(thisSubnav) {

if (document.getElementById) {

    clearTimeout(timerForThis);
    if (lastLink == 'Company' && thisSubnav != 'Company') off('Company');
    if (lastLink == 'Software' && thisSubnav != 'Software') off('Software');
    if (lastLink == 'Computers' && thisSubnav != 'Computers') off('Computers');
    if (lastLink == 'Developments' && thisSubnav != 'Developments') off('Developments');
    if (lastLink == 'Contact' && thisSubnav != 'Contact') off('Contact');

	starttab = "<table border=0 cellpadding=0 cellspacing=0 height=30 width=760 onMouseOver=clearTimeout(timerForThis) onMouseOut=subnavOff('"
	companytab = "')><tr><td style=vertical-align:middle><div style=margin-left:19px>"
	softwaretab = "')><tr><td style=vertical-align:middle><div style=margin-left:19px>"
	computersmidtab = "')><tr><td style=vertical-align:middle><div style=margin-left:209px>"
	devmidtab = "')><tr><td style=vertical-align:middle><div style=margin-left:19px>"
	conmidtab = "')><tr><td style=vertical-align:middle><div style=margin-left:434px>"
	endtab = "</div></td></tr></table>"

    if (thisSubnav == 'Company') {
    document.getElementById('subnav').innerHTML = starttab + "Company" + companytab + "<a href=/company/>Our Company</a> <a href=/company/customers.asp>Our Customers</a> <a href=/company/staff.asp>Our Staff</a> <a href=/company/history.asp>Our History</a>" + endtab
    on('Company');
    lastLink = 'Company';
    }
    if (thisSubnav == 'Software') {
    document.getElementById('subnav').innerHTML = starttab + "Software" + softwaretab + "<a href=/software/>Software Home</a><a href=/software/bespoke_software.asp>Bespoke Software</a><a href=http://cohort.tempus.co.uk/>Occupational Health Software</a><a href=/software/consultancy_services_occupational_health.asp>Consultancy Services</a>" + endtab
    on('Software');
    lastLink = 'Software';
    }
    if (thisSubnav == 'Computers') {
    document.getElementById('subnav').innerHTML = starttab + "Computers" + computersmidtab + "<a href=/computers/>Computer Hardware for SMEs &amp; Corporates</a><a target=_blank href=http://education.tempus.co.uk/>Education</a>" + endtab
    on('Computers');
    lastLink = 'Computers';
    }
    if (thisSubnav == 'Developments') {
    document.getElementById('subnav').innerHTML = starttab + "Developments" + devmidtab + "<a href=/developments/>Developments Home</a><a href=/developments/mobile_data_solutions.asp>Mobile Data Solutions</a><a href=/developments/integrated_solutions.asp>Integrated Solutions</a><a href=/developments/innovative_engineering.asp>Innovative Engineering</a><a href=/developments/vehicle_installation.asp>Vehicle Installation</a>" + endtab
    on('Developments');
    lastLink = 'Developments';
    }
    if (thisSubnav == 'Contact') {
    document.getElementById('subnav').innerHTML = starttab + "Contact" + conmidtab + "<a href=/contact/>Contact Form</a><a href=/contact/address.asp>Address Details</a>" + endtab
    on('Contact');
    lastLink = 'Contact';
    }

  }
}

function subnavOff(thisSubnav) {

  if (document.getElementById) {

    clearTimeout(timerForThis);
    if (thisSubnav == 'Company') timerForThis = setTimeout("hide('Company');", delayTime);  
    if (thisSubnav == 'Software') timerForThis = setTimeout("hide('Software');", delayTime);  
    if (thisSubnav == 'Computers') timerForThis = setTimeout("hide('Computers');", delayTime);  
    if (thisSubnav == 'Developments') timerForThis = setTimeout("hide('Developments');", delayTime);  
    if (thisSubnav == 'Contact') timerForThis = setTimeout("hide('Contact');", delayTime);  
  }
}

function hide(thisSubnav) {

	if (thisSubnav == 'Company') off('Company');
	if (thisSubnav == 'Software') off('Software');
	if (thisSubnav == 'Computers') off('Computers');
	if (thisSubnav == 'Developments') off('Developments');
	if (thisSubnav == 'Contact') off('Contact');

  if (firstTimeCheck != 0) {
   // document.getElementById('subnav').style.backgroundColor = '#FFFFFF';
    document.getElementById('subnav').innerHTML = "&nbsp;"
  }

  firstTimeCheck = firstTimeCheck + 1;
}

function emptySecondNav() {
  if (lastLink == 'Company') off('Company');
  if (lastLink == 'Software') off('Software');
  if (lastLink == 'Computers') off('Computers');
  if (lastLink == 'Developments') off('Developments');
  if (lastLink == 'Contact') off('Contact');
  document.getElementById('subnav').style.backgroundColor = '#FFFFFF';
  document.getElementById('subnav').innerHTML = "&nbsp;"
}