// 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.name = 'fileupload[]';
			element.multi_selector = this;
			element.onchange = function(){
				var new_element = document.createElement( 'input' );
				new_element.type = 'file';
				new_element.size="20";
				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.style.fontSize="11px";
		
		//var new_row_button = document.createElement( 'input' );
		//new_row_button.type = 'button';
		//new_row_button.value = 'Del';
		var new_row_button = document.createElement( 'a' );
		var linkText=document.createTextNode('del');
		new_row_button.setAttribute('href','#');
		new_row_button.setAttribute('title','Delete this file');
		new_row_button.style.fontSize='8px';
		new_row_button.style.color='red';
		new_row_button.align='left';
	    new_row_button.appendChild(linkText);
		
		
		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.substring(element.value.length-24)+"  ";
	new_row.title = element.value;
	new_row.appendChild( new_row_button );
	this.list_target.appendChild( new_row );
	};
};