Added jQuery placeholder "plugin" from gist [https://gist.github.com/823300]

Author: karmi

scripts/jquery.placeholder.js

@@ -0,0 +1,28 @@
+// (c) https://gist.github.com/823300, https://gist.github.com/379601
+
+jQuery.placeholder = function() {
+  $('[placeholder]').focus(function() {
+    var input = $(this);
+    if (input.hasClass('placeholder')) {
+      input.val('');
+      input.removeClass('placeholder');
+    }
+  }).blur(function() {
+    var input = $(this);
+    if (input.val() === '') {
+      input.addClass('placeholder');
+      input.val(input.attr('placeholder'));
+    }
+  }).blur().parents('form').submit(function() {
+    $(this).find('[placeholder]').each(function() {
+      var input = $(this);
+      if (input.hasClass('placeholder')) {
+        input.val('');
+      }
+    });
+  });
+  
+  $(window).unload(function() {
+    $('[placeholder]').val('');
+  });
+};