brous = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) >= 3) || ((navigator.appName.indexOf("Explorer") > -1) && parseInt(navigator.appVersion) >= 4);
var netsc = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) <5);
var newwin;

function on(name)
{
	if (brous)
		document [name].src ="images/but_"+name+"_over.gif";
}
function off(name)
{
	if (brous)
		document [name].src = "images/but_"+name+".gif";
}

function show_image(gimage){
 	newwin = window.open('','','width=370,height=370');
 	newwin.location.href='http://www.masterbonus.ru/photos/'+gimage+'.jpg';
  	newwin.focus();	
}