jQuery bad code for browser detection

browsers.js

// Bad Code from Efytimes:
// http://efytimes.com/e1/fullnews.asp?edid=128774
// Please don't use this code in your website if you have jQuery > 1.9

$(document).ready(function() {
	// If the browser type if Mozilla Firefox
	if ($.browser.mozilla && $.browser.version >= "1.8" ){ 
	// some code
	}
	// If the browser type is Opera
	if( $.browser.opera)
	{
	// some code
	}
	// If the web browser type is Safari
	if( $.browser.safari )
	{
	// some code
	}
	// If the web browser type is Chrome
	if( $.browser.chrome)
	{
	  // DON'T USE THIS, it will return undefined and your code will never run here.
	  // $.browser.webkit is the right one, same applies for $.browser.safari, use `webkit`
	}
	// If the web browser type is Internet Explorer
	if ($.browser.msie && $.browser.version <= 6 )
	{
	// some code
	}
	//If the web browser type is Internet Explorer 6 and above
	if ($.browser.msie && $.browser.version > 6)
	{
	// some code
	}
});