// 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 = 'button';
			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 );
		};
	};