javascript code to retrieve value from a message box

[chithra r]

hi iam having an aspx page which is having a hyper link search.if it is clicked another message box(which is also an aspx page)will be opened which is having a text box and find button.i will enter some text in the text box and click the find button then the value in the text box is retrieved and shown in the text box in the aspx page...iam not getting any idea,can anyone tell me the javascript codr to do this. Thanx in advance

pintoo