var menuv = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://active.macromedia.com/flash4/cabs/swflash.cab#version=4,0,0,0" width="428" height="49">'
+'<param name="movie" value="image/main_bn.swf">'
+'<param name="play" value="true">'
+'<param name="loop" value="true">'
+'<param name="quality" value="high">'
+'<param name="wmode" value="transparent">'
+'<embed src="image/main_bn.swf" width="428" height="49" play="true">'
+'</object>'

document.write(menuv);