// Multiple file selector by Stickman -- http://www.the-stickman.com
// with thanks to: [for Safari fixes] Luis Torrefranca -- http://www.law.pitt.edu and Shawn Parker & John Pennypacker -- http://www.fuzzycoconut.com [for duplicate name bug] 'neal'
function MultiSelector(list_target, max) {
    this .list_target = list_target;
    this .count = 0;
    this .id = 0;
    if (max) {
        this .max = max;
    } else {
        this .max = - 1;
    };
    this .addElement = function (element) {
        if (element.tagName == 'INPUT' && element.type == 'file') {
            element.name = 'file_' + this .id++;
            element.multi_selector = this;
            element.onchange = function () {
                var new_element = document.createElement('input');
                new_element.type = 'file';
                this .parentNode.insertBefore(new_element, this);
                this .multi_selector.addElement(new_element);
                this .multi_selector.addListRow(this);
                this .style.position = 'absolute';
                this .style.left = '-1000px';
            };
            if (this .max != - 1 && this .count >= this .max) {
                element.disabled = true;
            };
            this .count++;
            this .current_element = element;
        } else {
            alert('Error: not a file input element');
        };
    };
    this .addListRow = function (element) {
        var new_row = document.createElement('div');
        var new_row_button = document.createElement('input');
        new_row_button.type = 'image';
        new_row_button.src = '/site-commons/img/delete.gif';
        new_row_button.value = 'Delete';
        new_row.element = element;
        new_row_button.onclick = function () {
            this .parentNode.element.parentNode.removeChild(this .parentNode.element);
            this .parentNode.parentNode.removeChild(this .parentNode);
            this .parentNode.element.multi_selector.count--;
            this .parentNode.element.multi_selector.current_element.disabled = false;
            return false;
        };
        new_row.innerHTML = element.value;
        new_row.appendChild(new_row_button);
        this .list_target.appendChild(new_row);
    };
};