if (self.name==top.name) 

{ 
sfondo="#000000";
document.write('<frameset rows="*,445,*" border="0" framespacing="0" frameborder="0" margin="0">') 
document.write('<frame scrolling="no" noresize target="principale" marginwidth="0" marginheight="0" src="sfondo.htm">') 
document.write('<frameset cols="*,780,*">') 
document.write('<frame src="sfondo_pix.htm" marginwidth="0" marginheight="0" scrolling="no" target="_self" noresize>') 
document.write('<frame name="centrale" src='+document.location.href+'?a marginwidth="0" marginheight="0" scrolling="auto" noresize>') 
document.write('<frame marginwidth="0" marginheight="0" scrolling="no" noresize src="sfondo_pix.htm" target="principale">') 
document.write('</frameset>') 
document.write('<frame scrolling="no" noresize src="sfondo.htm" target="principale" marginwidth="0" marginheight="0">') 
document.write('</frameset>') 

frames[0].document.bgColor=sfondo;
frames[1].document.bgColor=sfondo;
frames[3].document.bgColor=sfondo;
frames[4].document.bgColor=sfondo;
}