add controls dynamically in html

[ojvm]

thanks in advance for reading this.
i am a really ignorant about js, so i need a guru to help me.
i need to add n number of text box in a html page, the main idea is
when the user press a button apear 2 text box and if he do it again
apear 2 text box more and so on, also need that all the text boxes has
a unique id, in order to make some thing whit the values. but i dont
know how to do it. please hel me i'm trapped in this

 

[ojvm]

thanks a lot this code worked fine.