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var myParamElementeng1 = document.createElement('<param name="movie" value="/flash/en_main_menu.swf">');  
var myParamElementeng2 = document.createElement('<param name="quality" value="high">');
var myParamElementeng3 = document.createElement('<Param name=bgcolor value=#FFFFFF>');

myObjectElementeng.appendChild(myParamElementeng1);
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embedEngmain.appendChild(myObjectElementeng);