browser_name = navigator.appName
browser_version = parseFloat(navigator.appVersion)
if (browser_name == "Netscape" && browser_version >= 3.0) {
	roll = 'true'
} else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 3.0) {
	roll = 'true'
} else {
	roll = 'true'
}
function over(img,ref) {
	if (roll == 'true') document.images[img].src = ref
}
function out(img,ref) {
	if (roll == 'true') document.images[img].src = ref
}
if (roll == 'true') {  
	a1=new Image;a1.src="img/top-ptitsa1.gif"; 
	a2=new Image;a2.src="img/top-ptitsa2.gif"; 
	a3=new Image;a3.src="img/top-foto1.gif"; 
	a4=new Image;a4.src="img/top-foto2.gif"; 
	a5=new Image;a5.src="img/top-girl1.gif"; 
	a6=new Image;a6.src="img/top-girl2.gif"; 
	a7=new Image;a7.src="img/top-zaychik1.gif"; 
	a8=new Image;a8.src="img/top-zaychik2.gif"; 
	a9=new Image;a9.src="img/top-kotik1.gif"; 
	a10=new Image;a10.src="img/top-kotik2.gif"; 
}