var browser_name = BrowserDetect.browser;
$().ready(function() {
 if(browser_name == "Firefox" && BrowserDetect.version != '3') {
  $('#main_nav ul li a').css('padding','8px 38px 9px 38px');
  if(BrowserDetect.OS=="Mac") {
    $('#main_nav ul li a').each(function() {
    $(this).css('padding','8px 41px 9px 42px !important');
   });
  }
 }
 if(browser_name == "Firefox" && BrowserDetect.version == '3') {
   $('#main_nav ul li a').each(function() {
    $(this).css('padding','8px 38px 9px 38px ');
   });
 }


 if(browser_name == "Explorer") {

   $('#main_nav ul li a').each(function() {
    $(this).css('padding','8px 38px 9px 38px !important');
   });
  } 


});