$.clearForm = function(form){
		$(':input',$(form)).each(function(){
			var type = this.type;
			var tag = this.tagName.toLowerCase();
			if (type == 'text' || type == 'password' || tag == 'textarea')
				this.value = "";
			else if (type == 'checkbox' || type == 'radio')
				this.checked = false;
			else if (tag == 'select')
				this.selectedIndex = -1;
		});
}