ciao, ho creato un sito con i frame, ed ora nel frame centrale vorrei mettere un immagine..
ho usato questo codice, ma non funziona, mi potete aiutare?

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Documento senza titolo</title>
<style type="text/css">
#rightFrame
{
background-image: url (/toscok.jpg);
background-position:center;
background-repeat: no-repeat;
background-color: #FFFFFF;
}
</style> </head>

<frameset rows="*,20" frameborder="no" border="0" framespacing="0">
<frameset rows="116,*" cols="*" frameborder="no" border="0" framespacing="0">
<frame src="intestaz.html" name="topFrame" scrolling="No" noresize="noresize" id="topFrame" title="topFrame" />
<frameset rows="*" cols="115,*" framespacing="0" frameborder="no" border="0">
<frame src="colonna.html" name="leftFrame" scrolling="No" noresize="noresize" id="leftFrame" title="leftFrame" />
<frameset cols="*,115" frameborder="no" border="0" framespacing="0">
<frame src="centrale.html" name="rightFrame" scrolling="Yes" noresize="noresize" id="rightFrame" title="rightFrame" />
<frame src="destra.html" name="mainFrame" id="mainFrame" title="mainFrame" />
</frameset>
</frameset>
</frameset>
<frame src="sotto.html" name="bottomFrame" scrolling="No" noresize="noresize" id="bottomFrame" title="bottomFrame" />
</frameset>
<noframes><body>
</noframe></body>
</html>