function display(item){
document.all.equipmentt.style.display="none"
document.all.equipmentd.style.display="none"
document.all.equipmenttlink.href="javascript:display(1)"
document.all.equipmentdlink.href="javascript:display(2)"
 if (item==1){
  document.all.equipmentt.style.display=""
  document.all.equipmenttlink.href="javascript:hide(1)"}
 if (item==2){
  document.all.equipmentd.style.display=""
  document.all.equipmentdlink.href="javascript:hide(2)"}
}

function hide(item){
 if (item==1){
  document.all.equipmentt.style.display="none"
  document.all.equipmenttlink.href="javascript:display(1)"}
 if (item==2){
  document.all.equipmentd.style.display="none"
  document.all.equipmentdlink.href="javascript:display(2)"}
}

browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))
if (browser){
img1on = new Image();
img1on.src = "http://paramania.ru/shell/t-corner-1.gif";
img2on = new Image();
img2on.src = "http://paramania.ru/shell/t-corner-2.gif";
img3on = new Image();
img3on.src = "http://paramania.ru/shell/d-corner-1.gif";
img4on = new Image();
img4on.src = "http://paramania.ru/shell/d-corner-2.gif";
img5on = new Image();
img5on.src = "http://paramania.ru/shell/submnline.gif";
}
function on(imgName){if (browser){document[imgName].src = eval(imgName + "on.src");}}
function off(imgName){if (browser){document[imgName].src = eval(imgName + "off.src");}}