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';
                new_element.className = 'bildup';

				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.value = ' ';
        new_row_button.className = 'delbut';

		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 );
		
	};

};