var y = (screen.width * 0.96)  // amplada
var x = (screen.height * 0.96) // alçada

var primera = '<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="' + y + '" height="' + x + '"><param name="movie" value="imatges_generals/diables.swf"/> <PARAM NAME=quality VALUE=high> <PARAM NAME=WMODE VALUE=TRANSPARENT><PARAM NAME=bgcolor VALUE=#FFFFFF><embed src="imatges_generals/diables.swf" width="' + y + '" height="' + x + '" autostart="false" quality="high" bgcolor="#FFFFFF" TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" WMODE="TRANSPARENT"></EMBED></object>'

document.write(primera)