To detect Mobile browsers

mobiledetect.js

<script language="javascript">
			function detectmob() {
				if( navigator.userAgent.match(/Android/i)|| navigator.userAgent.match(/webOS/i)|| navigator.userAgent.match(/iPhone/i)|| navigator.userAgent.match(/iPad/i)|| navigator.userAgent.match(/iPod/i)|| navigator.userAgent.match(/BlackBerry/i)	|| navigator.userAgent.match(/Windows Phone/i)|| navigator.userAgent.match(/Opera Mini/i)) {
						return true;
					}
				else {
					return false;
				}
			}
			if(detectmob()){
				//Write your code here
			}
		</script>