Ajax and jquery not work in mozilla firefox Browser

Hello Sir,

               I am Rinku Dhadse developing my Website in php in which i am using ajax and jquery with javascript for form Submittion it works properly in google chrome but not work in mozilla firefox what should i do... i have checked whether javascript is enabled or not in mozilla browser but it already enabled.. what should i do for properly working of my site please suggest me proper Solution... i will really thankful to you..