var myObjectElementm1 = document.createElement('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="1000" height="150">');
var myParamElement1m1 = document.createElement('<param name="movie" value="/img/fla/sub_menu.swf?main=6&sub=1&">');  
var myParamElement2m1 = document.createElement('<param name="quality" value="high">');
myObjectElementm1.appendChild(myParamElement1m1);
myObjectElementm1.appendChild(myParamElement2m1);
menu.appendChild(myObjectElementm1);