function visu_flash(viewer) {
	document.write('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=10,0,0,0" width="825" height="550" align="center">\n');
	document.write('<param name="movie" value="',viewer,'">\n');
	document.write('<param name="quality" value="hight">\n');
	document.write('<param name="menu" value="false">\n');
	document.write('<embed src="',viewer,'" quality="hight" menu="false" pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" align="center" width="825" height="550"> \n');
	document.write('</embed>\n');
	document.write('</object>\n');
}