var user_agent = navigator.userAgent;
var isOpera = user_agent.indexOf("Opera") >= 0;
var isFirefox = user_agent.indexOf("Firefox") >= 0;
var isWin32up = user_agent.indexOf("Win32") >= 0 
	|| user_agent.indexOf("Win64") >= 0
	|| user_agent.indexOf("Windows NT") >= 0;

var isIE = !isOpera && user_agent.indexOf("MSIE") >= 0;
var isIE55up = isIE && isWin32up && user_agent.match(/MSIE ((5\.5)|[6789])/);
var isIE70up = isIE && isWin32up && user_agent.match(/MSIE ([789])/);
var isIE55dn = isIE && !isIE55up;
var browser = "other";


function getCuff(index)
	{
		var n = 8;
		for(i=0 ; i<n ; i++)
		{
			
			if(i == index)
			{
				menuid="image"+i;
				document.getElementById(menuid).style.display = "block";
				
				menuid="img"+i;
				document.getElementById(menuid).style.display = "block";
			}
			else
			{
				menuid="image"+i;
				document.getElementById(menuid).style.display = "none";
				
				menuid="img"+i;
				document.getElementById(menuid).style.display = "none";
				}
		}
}