var agent = navigator.userAgent.toLowerCase();

var deFunct = (agent.indexOf("series60")!= -1)
	|| (agent.indexOf("symbian")    != -1)
	|| (agent.indexOf("windows ce") != -1) 
	|| (agent.indexOf("blackberry") != -1);

var mobileOS = (typeof orientation != 'undefined') ? true : false;
var touchOS  = ('ontouchstart' in document.documentElement) ? true : 

false;
var iOS      = (navigator.platform.indexOf("iPhone") != -1)
	||     (navigator.platform.indexOf("iPad") != -1)
var android = (agent.indexOf("android") != -1)
	||  (!iOS && !deFunct && touchOS && mobileOS) ? true : false;

// var android = true;
    if (deFunct || mobileOS || touchOS || iOS || android) {
        document.write('<style type="text/css">');
        document.write('#rsidebar { display: none; }');
        document.write('</style>');
}