	function leftnav (page) {
	str = "";
	str+= '<table width="135" cellspacing="0" cellpadding="0" border="0"><tr>  ';
	str+= '<td><img src="/images/clear.gif" width="10" height="1" alt=""></td>  ';
	str+= '<td><img src="/images/clear.gif" width="10" height="1" alt=""></td>  ';
	str+= '<td><img src="/images/clear.gif" width="115" height="1" alt=""></td>  ';
	str+= '</tr><tr>  ';
	
	// UK (new)
	
	str+= '<td colspan="3" height="10"></td>  ';
	str+= '</tr><tr>  ';
if (page == 'index') {
	str+= ' <td colspan="3"><span class="navhighlight">Quest Diagnostics<br>in the UK</span></td>  ';
      }
	  else {
	  str+= ' <td colspan="3"><a href="/uk/index.html" class="subnav">Quest Diagnostics<br>in the UK</a></td>  ';
	  }

//  About Us - New Section

	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="10"></td>  ';
	str+= '</tr><tr>  ';
	if (page == 'about_us') {
	str+= '<td colspan="3"><span class="navhighlight">About Us</span></td>  ';
	}
	else {
		if (page == 'vision' || page == 'locations' || page == 'quality_assurance') {
		str+= '<td colspan="3"><a href="/uk/about_us/about_us.html" class="navhighlight">About Us</a></td>  ';
		}
		else
		{
		str+= '<td colspan="3"><a href="/uk/about_us/about_us.html" class="subnav">About Us</a></td>  ';
		}
    }
		
		
	// About Us - Vision, Mission & Values
	
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="4"></td>  ';
	str+= '</tr><tr>  ';
	str+= '<td></td>  ';
	if (page == 'vision') {
	str+= '<td colspan="2"><span class="subnavhighlight">Vision</span></td>  ';
    }
	else {
	str+= '<td colspan="2"><a href="/uk/about_us/vision.html" class="lowernav">Vision</a></td>  ';
    }
	
	// About Us - Locations
	
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="4"></td>  ';
	str+= '</tr><tr>  ';
	str+= '<td></td>  ';
	if (page == 'locations') {
	str+= '<td colspan="2"><span class="subnavhighlight">Locations</span></td>  ';
    }
	else {
	str+= '<td colspan="2"><a href="/uk/about_us/locations.html" class="lowernav">Locations</a></td>  ';
    }
	
	//About Us - Quality Assurance
	
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="4"></td>  ';
	str+= '</tr><tr>  ';
	str+= '<td></td>  ';
	if (page == 'quality_assurance') {
	str+= '<td colspan="2"><span class="subnavhighlight">Quality Assurance</span></td>  ';
    }
	else {
	str+= '<td colspan="2"><a href="/uk/about_us/quality_assurance.html" class="lowernav">Quality Assurance</a></td>  ';
    }
	
	
	// What We Do - New Section
	
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="10"></td>  ';
	str+= '</tr><tr>  ';
	if (page == 'what_we_do') {
	str+= '<td colspan="3"><span class="navhighlight">What We Do</span></td>  ';
	}
	else {
		if (page == 'dts' || page == 'it_services' || page == 'lis_interfaces') {
		str+= '<td colspan="3"><a href="/uk/what_we_do/what_we_do.html" class="navhighlight">What We Do</a></td>  ';
		}
		else
		{
		str+= '<td colspan="3"><a href="/uk/what_we_do/what_we_do.html" class="subnav">What We Do</a></td>  ';
		}
    }
	
	//What We Do - Diagnostic Testing & Services
	
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="4"></td>  ';
	str+= '</tr><tr>  ';
	str+= '<td></td>  ';
	if (page == 'dts') {
	str+= '<td colspan="2"><span class="subnavhighlight">Diagnostic Testing &amp; Services</span></td>  ';
    }
	else {
	str+= '<td colspan="2"><a href="/uk/what_we_do/dts.html" class="lowernav">Diagnostic Testing &amp; Services</a></td>  ';
    }
	
	// What We Do - IT Services  
		
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="4"></td>  ';
	str+= '</tr><tr>  ';
	str+= '<td></td>  ';
	if (page == 'it_services') {
	str+= '<td colspan="2"><span class="subnavhighlight">IT Services</span></td>  ';
    }
	else {
	str+= '<td colspan="2"><a href="/uk/what_we_do/it_services.html" class="lowernav">IT Services</a></td>  ';
    }	

	// What We Do - LIS Interfaces
	
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="4"></td>  ';
	str+= '</tr><tr>  ';
	str+= '<td></td>  ';
	if (page == 'lis_interfaces') {
	str+= '<td colspan="2"><span class="subnavhighlight">LIS Interfaces</span></td>  ';
    }
	else {
	str+= '<td colspan="2"><a href="/uk/what_we_do/lis_interfaces.html" class="lowernav">LIS Interfaces</a></td>  ';
    }
	
	
	//Customer Services (new section)
	
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="10"></td>  ';
	str+= '</tr><tr>  ';
	if (page == 'customer_services') {
	str+= '<td colspan="3"><span class="navhighlight">Customer Services</span></td>  ';
	}
	else {
		if (page == 'courier_services' || page == 'supplies') {
		str+= '<td colspan="3"><a href="/uk/customer_services/customer_services.html" class="navhighlight">Customer Services</a></td>  ';
		}
		else
		{
		str+= '<td colspan="3"><a href="/uk/customer_services/customer_services.html" class="subnav">Customer Services</a></td>  ';
		}
    }
	
	// Customer Services - Courier Services
	
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="4"></td>  ';
	str+= '</tr><tr>  ';
	str+= '<td></td>  ';
	if (page == 'courier_services') {
	str+= '<td colspan="2"><span class="subnavhighlight">Courier Services</span></td>  ';
    }
	else {
	str+= '<td colspan="2"><a href="/uk/customer_services/courier_services.html" class="lowernav">Courier Services</a></td>  ';
    }
		
		
	// Customer Services - Supplies
	
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="4"></td>  ';
	str+= '</tr><tr>  ';
	str+= '<td></td>  ';
	if (page == 'supplies') {
	str+= '<td colspan="2"><span class="subnavhighlight">Supplies</span></td>  ';
    }
	else {
	str+= '<td colspan="2"><a href="/uk/customer_services/supplies.html" class="lowernav">Supplies</a></td>  ';
    }
	
	
	
	//Test Menu (new section)
	
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="10"></td>  ';
	str+= '</tr><tr>  ';
	if (page == 'test_menu') {
	str+= '<td colspan="3"><span class="navhighlight">Test Menu</span></td>  ';
	}
	else {
		if (page == 'lab_guide'|| page == 'test_lookup' || page == 'alpha') {
		str+= '<td colspan="3"><a href="/uk/test_menu/test_menu.html" class="navhighlight">Test Menu</a></td>  ';
		}
		else
		{
		str+= '<td colspan="3"><a href="/uk/test_menu/test_menu.html" class="subnav">Test Menu</a></td>  ';
		}
    }		
		
	// Test Menu - Lab Guide
	
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="4"></td>  ';
	str+= '</tr><tr>  ';
	str+= '<td></td>  ';
	if (page == 'lab_guide') {
	str+= '<td colspan="2"><span class="subnavhighlight">Laboratory Guide (DOS)</span></td>  ';
    }
	else {
	str+= '<td colspan="2"><a href="/uk/test_menu/lab_guide.html" class="lowernav">Laboratory Guide (DOS)</a></td>  ';
    }
	
	// Test Menu - Test Lookup
	
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="4"></td>  ';
	str+= '</tr><tr>  ';
	str+= '<td></td>  ';
	if (page == 'test_lookup') {
	str+= '<td colspan="2"><span class="subnavhighlight">Test Look-up</span></td>  ';
    }
	
	else 
	if (page == 'alpha') {
str+= '<td colspan="2"><a href="/uk/test_menu/test_lookup.html" class="subnavhighlight">Test Look-up</a></td>  ';
	}	
	
	else {
	str+= '<td colspan="2"><a href="/uk/test_menu/test_lookup.html" class="lowernav">Test Look-up</a></td>  ';
    }
	
	//Whats New (new section)
	
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="10"></td>  ';
	str+= '</tr><tr>  ';
	if (page == 'whats_new') {
	str+= '<td colspan="3"><span class="navhighlight">What&#8217;s New</span></td>  ';
	}
	else {
		if (page == 'archives') {
		str+= '<td colspan="3"><a href="/uk/whats_new/whats_new.html" class="navhighlight">What&#8217;s New</a></td>  ';
		}
		else
		{
		str+= '<td colspan="3"><a href="/uk/whats_new/whats_new.html" class="subnav">What&#8217;s New</a></td>  ';
		}
    }		
		
	// What's New - Archives
	
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="4"></td>  ';
	str+= '</tr><tr>  ';
	str+= '<td></td>  ';
	if (page == 'archives') {
	str+= '<td colspan="2"><span class="subnavhighlight">Archives</span></td>  ';
    }
	else {
	str+= '<td colspan="2"><a href="/uk/whats_new/archives.html" class="lowernav">Archives</a></td>  ';
    }
	
	// FAQs (One link)
	
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="10"></td>  ';
	str+= '</tr><tr>  ';
	
	//Green Text for FAQs page
	if (page == 'faqs') {
	str+= '<td colspan="3"><span class="navhighlight">FAQs</span></td>  ';
	}
	//Green Text with link for page in FAQs page
	else {
		if (page == 'faqs') {
		str+= '<td colspan="3"><a href="/uk/faqs/faqs.html" class="navhighlight">FAQs</a></td>  ';
		}
		//White Text with link for page not in FAQs page
		else
		{
		str+= '<td colspan="3"><a href="/uk/faqs/faqs.html" class="subnav">FAQs</a></td>  ';
		}
    }
	
	
	//UK Careers (new section)
	
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="10"></td>  ';
	str+= '</tr><tr>  ';
	if (page == 'careers') {
	str+= '<td colspan="3"><span class="navhighlight">UK Careers</span></td>  ';
	}
	else {
		if (page == 'career_opportunities') {
		str+= '<td colspan="3"><a href="/uk/careers/careers.html" class="navhighlight">UK Careers</a></td>  ';
		}
		else
		{
		str+= '<td colspan="3"><a href="/uk/careers/careers.html" class="subnav">UK Careers</a></td>  ';
		}
    }		
		
	// Careers - Career Opportunities
	
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="4"></td>  ';
	str+= '</tr><tr>  ';
	str+= '<td></td>  ';
	if (page == 'career_opportunities') {
	str+= '<td colspan="2"><span class="subnavhighlight">UK Career Opportunities</span></td>  ';
    }
	else {
	str+= '<td colspan="2"><a href="/uk/careers/career_opportunities.html" class="lowernav">UK Career Opportunities</a></td>  ';
    }
	
	// Contact Us (one link)
	
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="10"></td>  ';
	str+= '</tr><tr>  ';
	
	//Green Text for Contact Us page
	if (page == 'contact_us') {
	str+= '<td colspan="3"><span class="navhighlight">Contact Us</span></td>  ';
	}
	//Green Text with link for page in Content Us page
	else {
		if (page == 'contact_us') {
		str+= '<td colspan="3"><a href="/uk/contact_us.html" class="navhighlight">Contact Us</a></td>  ';
		}
		//White Text with link for page not in Contact Us page
		else
		{
		str+= '<td colspan="3"><a href="/uk/contact_us.html" class="subnav">Contact Us</a></td>  ';
		}
    }
	
		
	str+= '</tr><tr>  ';
	str+= '<td colspan="3" height="30"></td>  ';
	
	str+= '</tr></table>  ';
	document.write(str);

}
