function MultiSelector( list_target, max, button_text,refix ){

	// Where to write the list
	this.list_target = list_target;
	// How many elements?
	this.count = 0;
	// How many elements?
	this.id = 0;
	// Is there a maximum?
	if( max ){
		this.max = max;
	} else {
		this.max = -1;
	};
	this.button_text = button_text;
	this.refix = refix;
	
	/**
	 * Add a new file input element
	 */
	this.addElement = function( element, alert_msg ){

		// Make sure it's a file input element
		if( element.tagName == 'INPUT' && element.type == 'file' ){

			// Element name -- what number am I?
			element.name = this.refix + this.id++ ;

			// Add reference to this object
			element.multi_selector = this;

			// What to do when a file is selected
			element.onchange = function(){

				// New file input
				var new_element = document.createElement( 'input' );
				new_element.type = 'file';
				new_element.className="inputbox" ;
				// Add new element
				this.parentNode.insertBefore( new_element, this );

				// Apply 'update' to element
				this.multi_selector.addElement( new_element );

				// Update list
				this.multi_selector.addListRow( this );

				// Hide this: we can't use display:none because Safari doesn't like it
				this.style.position = 'absolute';
				this.style.left = '-1000px';

			};
			// If we've reached maximum number, disable input element
			if( this.max != -1 && this.count >= this.max ){
				element.disabled = true;
			};

			// File element counter
			this.count++;
			// Most recent element
			this.current_element = element;
			
		} else {
			// This can only be applied to file input elements!
			alert( 'Error: not a file input element' );
		};

	};

	/**
	 * Add a new row to the list of files
	 */
	 
	
	this.addListRow = function( element ){

		// Row div
		var new_row = document.createElement( 'div' );

		// Delete button
		var new_row_button = document.createElement( 'input' );
		new_row_button.type = 'button';
		new_row_button.className="button" ;
		new_row_button.value = this.button_text;

		// References
		new_row.element = element;

		// Delete function
		new_row_button.onclick= function(){

			// Remove element from form
			this.parentNode.element.parentNode.removeChild( this.parentNode.element );

			// Remove this row from the list
			this.parentNode.parentNode.removeChild( this.parentNode );

			// Decrement counter
			this.parentNode.element.multi_selector.count--;

			// Re-enable input element (if it's disabled)
			this.parentNode.element.multi_selector.current_element.disabled = false;

			// Appease Safari
			//    without it Safari wants to reload the browser window
			//    which nixes your already queued uploads
			return false;
		};

		// Set row value
		element_work = element.value;
		element_tab = element_work.split("\\");
		nbr_elements = element_tab.length;
		file_typ = element_tab[nbr_elements-1].split(".");
		if(file_typ[1] == "jpg" || file_typ[1] == "jpeg" || file_typ[1] == "gif" || file_typ[1] == "png" || file_typ[1] == "JPG" || file_typ[1] == "JPEG" || file_typ[1] == "GIF" || file_typ[1] == "PNG")
		{
			new_row.innerHTML = "<img src=\"file:/" + element.value + " \" height='50' width='50' border='1'>&nbsp;" + element.value + "&nbsp;";
			// Add button
			new_row.appendChild( new_row_button );
			// Add it to the list
			this.list_target.appendChild( new_row );
		}
		else if (file_typ[1] == "zip" || file_typ[1] == "ZIP")
		{
			new_row.innerHTML = "<img src=\"../core/css/images/winzip_big.jpg \" height='50' width='50' border='0'>&nbsp;" + element_tab[nbr_elements-1] + "&nbsp;";
			// Add button
			new_row.appendChild( new_row_button );
			// Add it to the list
			this.list_target.appendChild( new_row );		
		}
		else{
			new_row.innerHTML = element.value;
			// Add button
			new_row.appendChild( new_row_button );
			// Add it to the list
			this.list_target.appendChild( new_row );		
		}
		//Oliver: Replace everything below "set row value" with this for the original file: new_row.innerHTML = element.value;

		
	};

};