// 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' );
        new_row.className = 'span-13 bottomborder last';
        var new_row_button = document.createElement( 'input' );
        new_row_button.type = 'button';        
        new_row_button.value = 'Eliminar';
        new_row_button.className = 'submit lowercase pointer right';
        //new_row_button.addClassName('imagen-borrar');
        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 );
    };
};