var userAgent = navigator.userAgent
if (userAgent.indexOf('MSIE') != -1) {
	version = parseFloat(userAgent.substring(userAgent.indexOf('MSIE')+4,userAgent.length));
	if(version < 6){
		location.href = "oldie.html";
	}
}
function show_div(d){
	var obj = document.getElementById(d);
	obj.style.visibility = 'visible';
}
function hide_div(d){
	var obj = document.getElementById(d);
	obj.style.visibility = 'hidden';
}
function hide_bigimg(){
	var  args = hide_bigimg.arguments;
	for (i=0; i<args.length; i++){
		hide_div(args[i]);
	}
}