/**
 * jQuery Initial input value replacer
 * 
 * Sets input value attribute to a starting value  
 * @author Marco "DWJ" Solazzi - hello@dwightjack.com
 * @license  Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 * @copyright Copyright (c) 2008 Marco Solazzi
 * @version 0.1
 * @requires jQuery 1.2.x
 */
(function (jQuery) {
    /**
     * Setting input initialization
     *
     * @param {String|Object|Bool} text Initial value of the field. Can be either a string, a jQuery reference (example: $("#element")), or boolean false (default) to search for related label
     * @param {Object} [opts] An object containing options:
     * 							color (initial text color, default : "#666"),
     * 							e (event which triggers initial text clearing, default: "focus"),
     * 							force (execute this script even if input value is not empty, default: false)
     * 							keep (if value of field is empty on blur, re-apply initial text, default: true)
     */
    jQuery.fn.inputLabel = function(text,opts) {
		o = jQuery.extend({ color: "#666", e:"focus", force : false, keep : true}, opts || {});
        var clearInput = function (e) {
            var target = jQuery(e.target);
            var value = jQuery.trim(target.val());
            if (e.type == e.data.obj.e && value == e.data.obj.innerText) {
                jQuery(target).css("color", "").val("");
                if (!e.data.obj.keep) {
                    jQuery(target).unbind(e.data.obj.e+" blur",clearInput);
                }
            } else if (e.type == "blur" && value == "" && e.data.obj.keep) {
                jQuery(this).css("color", e.data.obj.color).val(e.data.obj.innerText);
            }
        };
        return this.each(function () {
            o.innerText = (text || false);
            if (!o.innerText) {
                var id = jQuery(this).attr("id");
                o.innerText = jQuery(this).parents("form").find("label[for=" + id + "]").hide().text();
            }
            else
            if (typeof o.innerText != "string") {
                o.innerText = jQuery(o.innerText).text();
            }
            o.innerText = jQuery.trim(o.innerText);
            if (o.force || jQuery(this).val() == "") {
                jQuery(this).css("color", o.color).val(o.innerText);
            }
            jQuery(this).bind(o.e+" blur",{obj:o},clearInput);
			
        });
    };
})(jQuery);