webshim.register('form-inputmode', function($, webshims, window, document, undefined, options){
  	"use strict";
  	var ua = navigator.userAgent;
  	var removeListener = function(elem){
  		elem.removeEventListener('blur', switchBack, true);
  	};
  	var needsPattern = (/iphone|ipod/i).test(ua);
  	var regPattern = /^[\\d\*|\[0\-9\]]*[\+|\{\d*\,\d*\}|*]*$/;
  	var stopPatterns = needsPattern || (/ipad|ios/i).test(ua) ?
  		{
  			'[0-9]*': 1,
  			'\\d*': 1
  		} :
  			false
  		;
  	var switchBack = function(e){
  		removeListener(e.target);
  		e.target.type = 'text';
  	};
  	var removeDocListener = function(){
  		document.removeEventListener('focus', addFix, true);
  		document.removeEventListener('touchstart', addFix, true);
  	};
  	var allowSwitchByPattern = function(elem){
  		var pattern;
  		var switchAllowed = true;
  
  		if(stopPatterns){
  			pattern = elem.getAttribute('pattern') || '';
  			if(stopPatterns[pattern] || (needsPattern && (!pattern || !regPattern.test(pattern)))){
  				switchAllowed = false;
  			}
  		}
  
  		return switchAllowed;
  	};
  
  	var addFix = function(e){
  		if(e.target.type == 'text' && e.target.getAttribute('inputmode') == 'numeric' && allowSwitchByPattern(e.target)){
  			try{
  				removeListener(e.target);
  				e.target.addEventListener('blur', switchBack, true);
  				e.target.type = 'tel';
  			} catch (er){
  				removeDocListener();
  			}
  		}
  	};
  
  	document.addEventListener('focus', addFix, true);
  	document.addEventListener('touchstart', addFix, true);
  });