1.i am working in jdeveloper 10g.i replace an image in folder public_html with another image that has same name(this image shown in main page),but when run again it doesnot show new image.
2.i change <FRAME SRC = "contents-con.html" NAME ="navframe"> to <FRAME SRC = "contents-contemp.html" NAME ="navframe"> ,after that i face 404 not found.why??