function on1() 
{if (!document.images) return; document.a.src = "./images/home_on.gif";} 
function on2() 
{if (!document.images) return; document.b.src = "./images/articles_on.gif";}
function on3() 
{if (!document.images) return; document.c.src = "./images/care_on.gif";}
function on4() 
{if (!document.images) return; document.d.src = "./images/reps_on.gif";}
function on5() 
{if (!document.images) return; document.e.src = "./images/sales_on.gif";}

function off1() 
{if (!document.images) return; document.a.src = "./images/home.gif";}
function off2() 
{if (!document.images) return; document.b.src = "./images/articles.gif";}
function off3() 
{if (!document.images) return; document.c.src = "./images/care.gif";}
function off4() 
{if (!document.images) return; document.d.src = "./images/reps.gif";}
function off5() 
{if (!document.images) return; document.e.src = "./images/sales.gif";}

var imgslist = new Array(
"images/home_on.gif",
"images/articles_on.gif",
"images/care_on.gif",
"images/reps_on.gif",
"images/sales_on.gif"); 

var imgs=new Array(); 
for (x=0; x<imgslist.length; x++) 
 if (document.images) 
  {imgs[x]=new Image(); imgs[x].src = imgslist[x];}  



function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);