radio button is not clicked/selected

[swtester]

Hi,
 
 I am trying to select a radio button... i tried with the following line in the below given page

wd.findElement(By.xpath("//input[@name='tripType' and @value='oneway']")).click();

page :  http://newtours.demoaut.com/mercuryreservation.php

It is not clicking the radio button

[bswjitsamal]

Hi,

Please apply a implicit wait command before selecting the radio button.
please specify the error which you are getting.