Solution for "flash is overlapping other elements".

If you are using flash in your web site and it is overlapping other elements like some div popup or your drop down then set "wmode" property of your flash element and set value of wmode as "opaque"

Example

<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="400" height="88">
      <param name="movie" value="flash.swf" >
      <param name="quality" value="high">
      <param name="wmode" value="opaque">
      <embed src="flash.swf" wmode="opaque" quality="high" pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" width="400" height="88">
      </embed>
</object>

In above example we have set wmode property at two places:

1. First in <param name="wmode" value="opaque">
2. Second in <embed wmode="opaque"></embed>