/************************************************************************************
** jQuery Placehold version 0.2
** (cc) Jason Garber (http://sixtwothree.org and http://www.viget.com)
** Licensed under the CC-GNU GPL (http://creativecommons.org/licenses/GPL/2.0/)
*************************************************************************************/

;(function($) {
$.fn.placehold = function( options ) {
var opts = $.extend( {}, $.fn.placehold.defaults, options ),
supported = $.fn.placehold.is_supported();

function toggle( arr ) {
for ( i = 0; i < arr.length; i++ ) {
arr[i].toggle();
}
}

return this.each( function() {
if ( !supported ) {
var elem = $( this ),
placeholder_attr = elem.attr( "placeholder" ),
is_password = ( elem.attr( "type" ) == "password" ) ? true : false;

if ( placeholder_attr ) {
if ( !elem.val() || elem.val() == placeholder_attr ) {
elem.addClass( opts.placeholderClassName ).val( placeholder_attr );
}

elem.focus( function() {
if ( elem.val() == placeholder_attr ) {
elem.removeClass( opts.placeholderClassName ).val( "" );
}
});

elem.blur( function() {
if ( !elem.val() ) {
if ( is_password ) {
toggle( [elem, elem_stub] );
}

elem.addClass( opts.placeholderClassName ).val( placeholder_attr );
}
});

elem.closest( "form" ).submit( function() {
if ( elem.val() == placeholder_attr ) {
if ( is_password ) {
toggle( [elem, elem_stub] );
}

elem.val( "" );
}

return true;
});

if ( is_password ) {
var elem_stub = $( '<input type="text" class="' + opts.placeholderClassName + '" value="' + placeholder_attr + '" />' );

elem_stub.focus( function() {
toggle( [elem, elem_stub] );
elem.focus();
});

elem.hide().after( elem_stub );
}
}
}
});
};

$.fn.placehold.is_supported = function() {
return "placeholder" in document.createElement( "input" );
};

$.fn.placehold.defaults = {
placeholderClassName: "placeholder"
};
})(jQuery);