jQuery.fn.selectbox = function(options) {
    /* Default settings */
    var settings = {
        className: 'jquery-selectbox',
        animationSpeed: 10,
        listboxMaxSize: 10,
        replaceInvisible: false
    };
    var commonClass = 'jquery-custom-selectboxes-replaced';
    var listOpen = false;
    var showList = function(listObj) {
        var selectbox = listObj.parents('.' + settings.className + '');
        listObj.slideDown(settings.animationSpeed, function() {
            listOpen = true;
        });
        selectbox.addClass('selecthover');
        jQuery(document).bind('click', onBlurList);
        return listObj;
    }
    var hideList = function(listObj) {
        var selectbox = listObj.parents('.' + settings.className + '');
        listObj.slideUp(settings.animationSpeed, function() {
            listOpen = false;
            jQuery(this).parents('.' + settings.className + '').removeClass('selecthover');
        });
        jQuery(document).unbind('click', onBlurList);
        return listObj;
    }
    var onBlurList = function(e) {
        var trgt = e.target;
        var currentListElements = jQuery('.' + settings.className + '-list:visible').parent().find('*').andSelf();
        if (jQuery.inArray(trgt, currentListElements) < 0 && listOpen) {
            hideList(jQuery('.' + commonClass + '-list'));
        }
        return false;
    }

    /* Processing settings */
    settings = jQuery.extend(settings, options || {});
    /* Wrapping all passed elements */
    return this.each(function() {
        var _this = jQuery(this);
        if (_this.filter(':visible').length == 0 && !settings.replaceInvisible)
            return;
        var replacement = jQuery(
			'<div class="' + settings.className + ' ' + commonClass + '">' +
				'<div class="' + settings.className + '-moreButton" />' +
				'<div class="' + settings.className + '-list ' + commonClass + '-list" />' +
				'<span class="' + settings.className + '-currentItem" />' +
			'</div>'
		);
        jQuery('option', _this).each(function(k, v) {
            var v = jQuery(v);
            var listElement = jQuery('<span class="' + settings.className + '-item value-' + v.val() + ' item-' + k + '" ' + (this.style.backgroundColor == '' ? '' : ('style="background-color:' + this.style.backgroundColor + ';"')) + '>' + v.text() + '</span>');

            listElement.click(function() {
                var thisListElement = jQuery(this);
                var thisReplacment = thisListElement.parents('.' + settings.className);
                var thisIndex = thisListElement[0].className.split(' ');
                for (k1 in thisIndex) {
                    if (/^item-[0-9]+$/.test(thisIndex[k1])) {
                        thisIndex = parseInt(thisIndex[k1].replace('item-', ''), 10);
                        break;
                    }
                };
                var thisValue = thisListElement[0].className.split(' ');
                for (k1 in thisValue) {
                    if (/^value-.+$/.test(thisValue[k1])) {
                        thisValue = thisValue[k1].replace('value-', '');
                        break;
                    }
                };
                var currentItem = thisReplacment.find('.' + settings.className + '-currentItem');
                if (currentItem.text() != thisListElement.text()) {
                    currentItem.text(thisListElement.text());
                    thisReplacment
					    .find('select')
					    .val(thisValue)
					    .triggerHandler('change');
                }
                var thisSublist = thisReplacment.find('.' + settings.className + '-list');
                if (thisSublist.filter(":visible").length > 0) {
                    hideList(thisSublist);
                } else {
                    showList(thisSublist);
                }
            }).bind('mouseenter', function() {
                jQuery(this).addClass('listelementhover');
            }).bind('mouseleave', function() {
                jQuery(this).removeClass('listelementhover');
            });
            jQuery('.' + settings.className + '-list', replacement).append(listElement);
            if (v.filter(':selected').length > 0) {
                jQuery('.' + settings.className + '-currentItem', replacement).text(v.text());
            }
        });

        var item = replacement.find('.' + settings.className + '-currentItem');
        var moreBtn = replacement.find('.' + settings.className + '-moreButton');
        var thisMoreButton = null;
        if (!this.disabled) {
            moreBtn.click(function() {
                thisMoreButton = jQuery(this);
                var otherLists = jQuery('.' + settings.className + '-list')
				.not(thisMoreButton.siblings('.' + settings.className + '-list'));
                hideList(otherLists);
                var thisList = thisMoreButton.siblings('.' + settings.className + '-list');
                if (thisList.filter(":visible").length > 0) {
                    hideList(thisList);
                } else {
                    showList(thisList);
                }
            });

            item.removeClass('ListDisabled');
            moreBtn.removeClass('moreButtonDisabled');
        } else {
            item.addClass('ListDisabled');
            moreBtn.addClass('moreButtonDisabled');
        }

        _this.hide().replaceWith(replacement).appendTo(replacement); /* _this.hide().*/
        var thisListBox = replacement.find('.' + settings.className + '-list');
        var thisListBoxWidth = 126;
        if (jQuery.browser.safari)
            thisListBoxWidth = thisListBoxWidth * 0.94;
        if (jQuery.browser.mozilla)
            thisListBoxWidth = thisListBoxWidth - 1;
        replacement.css('width', thisListBoxWidth + 'px');
        thisListBox.css({
            width: Math.round(thisListBoxWidth - 4) + 'px',
            left: (-1) + 'px'
        });
    });
}

jQuery.fn.unselectbox = function() {
	var commonClass = 'jquery-custom-selectboxes-replaced';
	return this.each(function() {
		var selectToRemove = jQuery(this).filter('.' + commonClass);
		selectToRemove.replaceWith(selectToRemove.find('select').show());
	});
}