input file not work in iOS <6 check

check-inpuefile

		var isFileInputSupported = (function () {
		 // Handle devices which falsely report support
		 if (navigator.userAgent.match(/(Android (1.0|1.1|1.5|1.6|2.0|2.1))|(Windows Phone (OS 7|8.0))|(XBLWP)|(ZuneWP)|(w(eb)?OSBrowser)|(webOS)|(Kindle\/(1.0|2.0|2.5|3.0))/)) {
		   return false;
		 }
		 // Create test element
		 var el = document.createElement("input");
		 el.type = "file";
		 return !el.disabled;
		})();

		if (!isFileInputSupported) {
			$('html').addClass('no-inputfile');
		}