make dropdown menus appear above other elements on the page with a z-index

bootstrap-1.3.0.css

@@ -6,7 +6,7 @@
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Designed and built with all the love in the world @twitter by @mdo and @fat.
- * Date: Thu Sep  8 23:02:03 PDT 2011
+ * Date: Thu Sep  8 23:07:35 PDT 2011
  */
 /* Reset.less
  * Props to Eric Meyer (meyerweb.com) for his CSS reset file. We're using an adapted version here	that cuts out some of the reset HTML elements we will never need here (i.e., dfn, samp, etc).
@@ -1442,6 +1442,7 @@ a.menu:after, .dropdown-toggle:after {
   display: none;
   position: absolute;
   top: 40px;
+  z-index: 1000;
   min-width: 160px;
   max-width: 220px;
   _width: 160px;

bootstrap-1.3.0.min.css

@@ -216,7 +216,7 @@ table .headerSortUp.purple,table .headerSortDown.purple{background-color:#e2d5f0
 .topbar ul .menu-dropdown li a,.topbar ul .dropdown-menu li a{padding:4px 15px;}
 li.menu,.dropdown{position:relative;}
 a.menu:after,.dropdown-toggle:after{width:0;height:0;display:inline-block;content:"↓";text-indent:-99999px;vertical-align:top;margin-top:8px;margin-left:4px;border-left:4px solid transparent;border-right:4px solid transparent;border-top:4px solid #fff;filter:alpha(opacity=50);-khtml-opacity:0.5;-moz-opacity:0.5;opacity:0.5;}
-.menu-dropdown,.dropdown-menu{background-color:#fff;float:left;display:none;position:absolute;top:40px;min-width:160px;max-width:220px;_width:160px;margin-left:0;margin-right:0;padding:6px 0;zoom:1;border-color:#999;border-color:rgba(0, 0, 0, 0.2);border-style:solid;border-width:0 1px 1px;-webkit-border-radius:0 0 6px 6px;-moz-border-radius:0 0 6px 6px;border-radius:0 0 6px 6px;-webkit-box-shadow:0 2px 4px rgba(0, 0, 0, 0.2);-moz-box-shadow:0 2px 4px rgba(0, 0, 0, 0.2);box-shadow:0 2px 4px rgba(0, 0, 0, 0.2);-webkit-background-clip:padding-box;-moz-background-clip:padding-box;background-clip:padding-box;}.menu-dropdown li,.dropdown-menu li{float:none;display:block;background-color:none;}
+.menu-dropdown,.dropdown-menu{background-color:#fff;float:left;display:none;position:absolute;top:40px;z-index:1000;min-width:160px;max-width:220px;_width:160px;margin-left:0;margin-right:0;padding:6px 0;zoom:1;border-color:#999;border-color:rgba(0, 0, 0, 0.2);border-style:solid;border-width:0 1px 1px;-webkit-border-radius:0 0 6px 6px;-moz-border-radius:0 0 6px 6px;border-radius:0 0 6px 6px;-webkit-box-shadow:0 2px 4px rgba(0, 0, 0, 0.2);-moz-box-shadow:0 2px 4px rgba(0, 0, 0, 0.2);box-shadow:0 2px 4px rgba(0, 0, 0, 0.2);-webkit-background-clip:padding-box;-moz-background-clip:padding-box;background-clip:padding-box;}.menu-dropdown li,.dropdown-menu li{float:none;display:block;background-color:none;}
 .menu-dropdown .divider,.dropdown-menu .divider{height:1px;margin:5px 0;overflow:hidden;background-color:#eee;border-bottom:1px solid #fff;}
 .topbar .dropdown-menu a,.dropdown-menu a{display:block;padding:4px 15px;clear:both;font-weight:normal;line-height:18px;color:#808080;text-shadow:0 1px 0 #fff;}.topbar .dropdown-menu a:hover,.dropdown-menu a:hover{background-color:#dddddd;background-repeat:repeat-x;background-image:-khtml-gradient(linear, left top, left bottom, from(#eeeeee), to(#dddddd));background-image:-moz-linear-gradient(top, #eeeeee, #dddddd);background-image:-ms-linear-gradient(top, #eeeeee, #dddddd);background-image:-webkit-gradient(linear, left top, left bottom, color-stop(0%, #eeeeee), color-stop(100%, #dddddd));background-image:-webkit-linear-gradient(top, #eeeeee, #dddddd);background-image:-o-linear-gradient(top, #eeeeee, #dddddd);background-image:linear-gradient(top, #eeeeee, #dddddd);filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#eeeeee', endColorstr='#dddddd', GradientType=0);color:#404040;text-decoration:none;-webkit-box-shadow:inset 0 1px 0 rgba(0, 0, 0, 0.025),inset 0 -1px rgba(0, 0, 0, 0.025);-moz-box-shadow:inset 0 1px 0 rgba(0, 0, 0, 0.025),inset 0 -1px rgba(0, 0, 0, 0.025);box-shadow:inset 0 1px 0 rgba(0, 0, 0, 0.025),inset 0 -1px rgba(0, 0, 0, 0.025);}
 .open .menu,.dropdown.open .menu,.open .dropdown-toggle,.dropdown.open .dropdown-toggle{color:#fff;background:#ccc;background:rgba(0, 0, 0, 0.3);}

lib/patterns.less

@@ -240,6 +240,7 @@ a.menu:after,
   display: none; // None by default, but block on "open" of the menu
   position: absolute;
   top: 40px;
+  z-index: 900;
   min-width: 160px;
   max-width: 220px;
   _width: 160px;