function flash(nWidth, nHeight ,strFileName) {
     var flash_tag = "";
     flash_tag = '<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" ';
     flash_tag +='codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" ';
     flash_tag +='WIDTH="'+nWidth+'" HEIGHT="'+nHeight+'" >';
     flash_tag +='<param name="wmode" value="transparent">'; 
     flash_tag +='<param name="movie" value="'+strFileName+'">';
     flash_tag +='<param name="quality" value="high">';
     flash_tag +='<embed src="'+strFileName+'" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" ';
     flash_tag +='type="application/x-shockwave-flash"  WMODE="transparent" WIDTH="'+nWidth+'" HEIGHT="'+nHeight+'"></embed></object>'
     document.write(flash_tag);
}