nome_film = "riviste_r3.swf";
theWidth = screen.width;
orig_w = 900;
orig_h = 1350;
perc = 90;
width_film = (((theWidth)*perc)/100);
height_film = ((orig_h*width_film)/orig_w);

document.write('<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0" WIDTH='+width_film+' HEIGHT='+height_film+'>')
document.write('<PARAM NAME=movie VALUE="'+nome_film+'"> ')
document.write('<PARAM NAME=quality VALUE=high> <PARAM NAME=scale VALUE=exactfit> <PARAM NAME=bgcolor VALUE=#CCCCCC> ')
document.write('<EMBED src="'+nome_film+'" quality=high scale=exactfit bgcolor=#CCCCCC  WIDTH='+width_film+' HEIGHT='+height_film+' TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash"></EMBED>')
document.write('</OBJECT>')

// 900 x 450