Browser detection

browser.js

/*
	Simple browser detection script. 
	Returns an object. 
*/

var Browser = new function() {
	this.UA = window.navigator.userAgent.toLowerCase();
	this.isChrome = !!(this.UA.indexOf("chrome") + 1);
	this.isSafari = !!(this.UA.indexOf("safari") + 1);
	this.isIE = !!(this.UA.indexOf("msie") + 1);
	this.isIE6 = !!(this.UA.indexOf("msie 6.0") + 1);
	this.isIE7 = !!(this.UA.indexOf("msie 7.0") + 1);
	this.isIE8 = !!(this.UA.indexOf("msie 8.0") + 1);
	this.isOpera = !!(this.UA.indexOf("opera") + 1);
	this.isKonqueror = !!(this.UA.indexOf("konqueror") + 1);
	this.isiPhone = !!(this.UA.indexOf("iphone") + 1);
	this.isiPad = !!(this.UA.indexOf("ipad") + 1);
	this.isiPodTouch = !!(this.UA.indexOf("ipod") + 1);
	this.isiOS = !!(this.isiPhone + this.isiPad + this.isiPodTouch);
	this.isAndroid = !!(this.UA.indexOf("android") + 1);
	// returns a string that can be used to define a className for document.documentElement
	this.toClassName = function(){ 
		var className = "";
		for(var i in this) if (i.indexOf("is") === 0 && typeof this[i] === "boolean" && this[i]) className += i.slice(2,i.length).toLowerCase() + " ";
		return className.slice(0, className.length - 1) 
	}
}