var browserName=navigator.appName; 
if (browserName=="Netscape")
{ 
 document.write("<img src=\"../img/dropdown/transp.gif\" width=\"280\" height=\"19\">");
}
else 
{ 
 if (browserName=="Microsoft Internet Explorer")
 {
   document.write("<img src=\"../img/dropdown/transp.gif\" width=\"280\" height=\"26\">");
 }else
  {
     document.write("<img src=\"../img/dropdown/transp.gif\" width=\"280\" height=\"26\">");
   }
}