var win2 = "win2 = window.open(varurl)"	
function newwin(varurl)

 {
	if(false==win2.closed)
	{
	win2.close();
	win2 = window.open(varurl)
	}
	else
	{
	win2 = window.open(varurl)
	}
 }

window.focus();

function swapon1()
 {
      document.img1.src="img/leftnav/navigr1.gif" ;

 }
function swapoff1()
 {
      document.img1.src="img/leftnav/navig1.gif";

 }

function swapon2()
 {
      document.img2.src="img/leftnav/navigr2.gif";

 }
function swapoff2()
 {
      document.img2.src="img/leftnav/navig2.gif";

 }
 
function swapon3()
 {
      document.img3.src="img/leftnav/navigr3.gif";

 }
function swapoff3()
 {
      document.img3.src="img/leftnav/navig3.gif";

 }
 
function swapon4()
 {
      document.img4.src="img/leftnav/navigr4.gif";

 }
function swapoff4()
 {
      document.img4.src="img/leftnav/navig4.gif";

 }
 
function swapon5()
 {
      document.img5.src="img/leftnav/navigr5.gif";

 }
function swapoff5()
 {
      document.img5.src="img/leftnav/navig5.gif";

 }
 
function swapon6()
 {
      document.img6.src="img/leftnav/navigr6.gif";

 }
function swapoff6()
 {
      document.img6.src="img/leftnav/navig6.gif";

 }
 
function swapon7()
 {
      document.img7.src="img/leftnav/navigr7.gif";

 }
function swapoff7()
 {
      document.img7.src="img/leftnav/navig7.gif";

 }
 
function swapon8()
 {
      document.img8.src="img/leftnav/navigr8.gif";

 }
function swapoff8()
 {
      document.img8.src="img/leftnav/navig8.gif";

 }