var item1 = new Image();
item1.src="/img/nav/point.gif";
var item1off = new Image();
item1off.src="/img/dot.gif";

var item2 = new Image();
item2.src="/img/nav/point.gif";
var item2off = new Image();
item2off.src="/img/dot.gif";

var item3 = new Image();
item3.src="/img/nav/point.gif";
var item3off = new Image();
item3off.src="/img/dot.gif";

var item4 = new Image();
item4.src="/img/nav/point.gif";
var item4off = new Image();
item4off.src="/img/dot.gif";

var item5 = new Image();
item5.src="/img/nav/point.gif";
var item5off = new Image();
item5off.src="/img/dot.gif";

var item6 = new Image();
item6.src="/img/nav/point.gif";
var item6off = new Image();
item6off.src="/img/dot.gif";

var item7 = new Image();
item7.src="/img/nav/point.gif";
var item7off = new Image();
item7off.src="/img/dot.gif";
  
var square = new Image();
square.src="/img/square_a.gif";
var squareoff = new Image();
squareoff.src="/img/square.gif";

var square1 = new Image();
square1.src="/img/square_a.gif";
var square1off = new Image();
square1off.src="/img/square.gif";

var square2 = new Image();
square2.src="/img/square_a.gif";
var square2off = new Image();
square2off.src="/img/square.gif";

var square3 = new Image();
square3.src="/img/square_a.gif";
var square3off = new Image();
square3off.src="/img/square.gif";

var square4 = new Image();
square4.src="/img/square_a.gif";
var square4off = new Image();
square4off.src="/img/square.gif";

var square5 = new Image();
square5.src="/img/square_a.gif";
var square5off = new Image();
square5off.src="/img/square.gif";

var square6 = new Image();
square6.src="/img/square_a.gif";
var square6off = new Image();
square6off.src="/img/square.gif";

var square7 = new Image();
square7.src="/img/square_a.gif";
var square7off = new Image();
square7off.src="/img/square.gif";


function on(imgname, action)
{
if(action)
  {
   eval ('document.'+imgname+'.src = '+imgname+'.src')
   }
else eval ('document.'+imgname+'.src = '+imgname+'off.src');
}