var plugin = (navigator.mimeTypes && navigator.mimeTypes["application/x-shockwave-flash"]) ? navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin : 0;

function getflash(swf_file,swf_width,swf_height) {

            document.write('<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="'+swf_width+'" height="'+swf_height+'"><param name="movie" value="'+swf_file+'"><param name="quality" value="high"><param name="wmode" value="transparent"><embed src="'+swf_file+'" quality="high" wmode="transparent" swLiveConnect="false" width="'+swf_width+'" height="'+swf_height+'" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash"></embed></object>');
    }