// 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 = 'files[' + 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 = 'button';
    new_row_button.style.margin="10px";
    new_row_button.value = 'Entfernen';
    new_row_button.className = 'button';
    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 );
};

};