function insFlashInstru() {
	var mainFlash = document.getElementById('flashInstru');
	var inhtml = '<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="177" height="163" id="instrufl" align="middle">'
					+'<param name="movie" value="/netcat_files/swf/instru.swf" />'
					+'<param name="quality" value="high" />'
					+'<param name="wmode" value="transparent" />'
					+'<param name="bgcolor" value="#ffffff" />'
					+'<param name="menu" value="false" />'
					+'<embed src="/netcat_files/swf/instru.swf" quality="high" menu="false" wmode="transparent" bgcolor="#ffffff" width="177" height="163" name="instrufl" align="middle" allowscriptaccess="sameDomain" allowfullscreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" /></embed>'
				+'</object>';
	if (mainFlash) mainFlash.innerHTML = inhtml;
}