how to call javascript function in asp.net

hi folks,


   for my application i want to use google traslation web api.when i press spacebar its work fine for me.but now my requiremt is that i want to current language as parameter to my javascript function and which i write the textbox it converted into multiple languages.and finally return to the value label.


how i do .Please share some link


Thank you in advance


Regards,
Abhijit Patil
http"//dotnetbyabhipatil.blogspot.in