Gets the current browser + if it is IE, the version currentBrowser().browser to get the browsername currentBrowser().version to get the version if it is IE

currentBrowser.js

function currentBrowser() {
  $.returnVal = "";
	var browserUserAgent = navigator.userAgent;
	if (browserUserAgent.indexOf("Firefox") > -1) {
	    $.returnVal = { browser: "Firefox" };
	}
	else if (browserUserAgent.indexOf("Chrome") > -1) {
	    $.returnVal = { browser: "Chrome" };
	}
	else if (browserUserAgent.indexOf("Safari") > -1) {
	    $.returnVal = { browser: "Safari" };
	}
	else if (browserUserAgent.indexOf("MSIE") > -1) {
	    var splitUserAgent = browserUserAgent.split(";");
	    for (var val in splitUserAgent) {
	        if (splitUserAgent[val].match("MSIE")) {
	            var IEVersion = parseInt(splitUserAgent[val].substr(5, splitUserAgent[val].length));
	        }
	    }
	    $.returnVal = { browser: "IE", version: IEVersion };
	}
	else if (browserUserAgent.indexOf("Opera") > -1) {
	    $.returnVal = { browser: "Opera" };
	}
	else {
	    $.returnVal =
	     { browser: "other" };
	}
	return $.returnVal;
}