Wana Know About Image Manipulation

Sir Actually I want to manipulate an predefined image in such a way that at run time i can change the text on that image just by entering the needed text in the text box. Image is already stored with text "demo" written on it and at run timw i want to know how can i replace this text on the same image by the text i will be submitting in a text box. I hope u must be getting what i want . I m just a learner. Looking for ur help soon. Kindly Best Regards, Gupta Sahil *************************************** E.Mail Add:-- sahil@nethues.com *******************************************************