$(function(){
$.fn.clearForm = function() {
	  // iterate each matching form
	  return this.each(function() {
	 // iterate the elements within the form
	 $(':input', this).each(function() {
	   var type = this.type, tag = this.tagName.toLowerCase();
	   if (type == 'text' || type == 'password' || tag == 'textarea')
	  this.value = '';
	   else if (type == 'checkbox' || type == 'radio')
	  this.checked = true;
	   else if (tag == 'select')
	  this.selectedIndex = 0;
	 });
	  });
	};
	});