/*   Class 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.setAttribute('size','30');
				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.parentNode.parentNode.removeChild(this.parentNode.parentNode);
      this.parentNode.parentNode.element.parentNode.removeChild(this.parentNode.parentNode.element);
      this.parentNode.parentNode.element.multi_selector.count--;
			if (this.parentNode.parentNode.element.multi_selector.count <= 1) {document.getElementById('files_list').style.display='none';}
      this.parentNode.parentNode.element.multi_selector.current_element.disabled = false;
      return false;
		};
		new_row.innerHTML='';
		var txtNode=document.createTextNode(element.value); 
		var new_label=document.createElement('label');
		var new_break=document.createElement('br');
		new_break.clear='left';
		new_label.appendChild(new_row_button);
		new_row.appendChild(new_label);
		new_row.appendChild(txtNode);
		new_row.appendChild(new_break);
		this.list_target.appendChild(new_row);
		this.list_target.style.display='block'
	};
};