Change your jquery to this:
; (function ($) {
$.fn.placehold = function (placeholderClassName) {
var placeholderClassName = placeholderClassName || "placeholder",
supported = $.fn.placehold.is_supported();
function toggle() {
for (i = 0; i < arguments.length; i++) {
arguments[i].toggle();
}
}
return supported ? this : this.each(function () {
var $elem = $(this),
placeholder_attr = $elem.attr("placeholder");
if (placeholder_attr) {
if ($elem.val() === "" || $elem.val() == placeholder_attr) {
$elem.addClass(placeholderClassName).val(placeholder_attr);
}
if ($elem.is(":password")) {
var $pwd_shiv = $("<input />", {
"class": $elem.attr("class") + " " + placeholderClassName,
"value": placeholder_attr
});
$pwd_shiv.bind("focus.placehold", function () {
toggle($elem, $pwd_shiv);
$elem.focus();
});
$elem.bind("blur.placehold", function () {
if ($elem.val() === "") {
toggle($elem, $pwd_shiv);
}
});
$elem.hide().after($pwd_shiv);
}
$elem.bind({
"focus.placehold": function () {
if ($elem.val() == placeholder_attr) {
$elem.removeClass(placeholderClassName).val("");
}
},
"blur.placehold": function () {
if ($elem.val() === "") {
$elem.addClass(placeholderClassName).val(placeholder_attr);
}
}
});
$elem.closest("form").bind("submit.placehold", function () {
if ($elem.val() == placeholder_attr) {
$elem.val("");
}
return true;
});
}
});
};
$.fn.placehold.is_supported = function () {
return "placeholder" in document.createElement("input");
};
})(jQuery);
Then make the function work:
$("input, textarea").placehold("something-temporary");