<!--
isDOM=document.getElementById //DOM1 browser (MSIE 5+, Netscape 6, Opera 5+)
isMSIE=document.all && document.all.item //Microsoft Internet Explorer 4+
isNetscape4=document.layers //Netscape 4.*
isOpera=window.opera //Opera
isOpera5=isOpera && isDOM //Opera 5+
isMSIE5=isDOM && isMSIE //MSIE 5+
isMozilla=isNetscape6=isDOM && !isMSIE && !isOpera //Mozilla или Netscape 6.*

var ns = isMozilla || isNetscape4 || isNetscape6
var ie = isMSIE || isMSIE5
var op = isOpera || isOpera5     

ns4 = isNetscape4
ie4 = ie

function getAppVersion() {
 if (ns || ie || op) return 1        
}

function Hi(Im, Ind) {
 if (getAppVersion())  {
  document.images[Ind].src = '/images/' + Im + '-h.gif'; 
 }
}                  

function Lo(Im, Ind) {
 if (getAppVersion()) {
  document.images[Ind].src = '/images/' + Im + '.gif'; 
 }
}
//-->