// Gallery Links

function environ1()
{
document.getElementById("mainimg").src ="images/gallery/environment/environ1.jpg";
}


function environ2()
{
document.getElementById("mainimg").src ="images/gallery/environment/environ2.jpg";
}


function environ3()
{
document.getElementById("mainimg").src ="images/gallery/environment/environ3.jpg";
}


function environ4()
{
document.getElementById("mainimg").src ="images/gallery/environment/environ4.jpg";
}


function environ5()
{
document.getElementById("mainimg").src ="images/gallery/environment/environ5.jpg";
}


// Code for the List Drop Down
// Set all the switch variables to state = 0 (ie not displayed) 

var  listenv1state = 0;

// Menu Drop Down Functions

function listenv1()
{
if (listenv1state == 0 || listenv1state == null)
 {
  document.getElementById("listenv1").style.display ="inline";
  document.getElementById("listenv2").style.display ="inline";
  document.getElementById("listenv3").style.display ="inline";
  document.getElementById("listenv4").style.display ="inline";
  document.getElementById("listenv5").style.display ="inline";
  document.getElementById("listenv6").style.display ="inline";
  listenv1state = 1;
 }
else
 {
  document.getElementById("listenv1").style.display ="none";
  document.getElementById("listenv2").style.display ="none";
  document.getElementById("listenv3").style.display ="none";
  document.getElementById("listenv4").style.display ="none";
  document.getElementById("listenv5").style.display ="none";
  document.getElementById("listenv6").style.display ="none";
  listenv1state = 0;
 }
}