anchor.diff:  </div>
   
   <div id="WasteBox" style="margin-left:8px;margin-bottom:8px;float:left">
  +	<span class="catHeader">Bin</span>
      <div class="wasteBin" id="wasteBin" style="width:250px;height:140px;overflow:auto;">
      <%= image_tag "/images/papelera.png", :id => "papelera", :alt => "bin", :class => "bin"  %>
      </div>
  
positive.code: 
  
  //Method to know if an element is already in a select box
  function IsAlreadyIn(htmlElementDestiny, nameOrigin) {
  	if(htmlElementDestiny.innerHTML.indexOf(">"+nameOrigin+"<")>1)
  	{
  		return true;		
  	}
  	return false;
  	//if(document.getElementById("dropZone").innerHTML.indexOf(">"+Name+"<"))
  	
  }
  
  /**
   *  Sample 'CustomDraggable' object which extends the Rico.Draggable to
  
negative.code:    },
        
     hide: function() {
     	//only remove the user if it is not the list of all names
  	if(this.htmlElement.parentNode.id != "nameList")
  	{
  		this.htmlElement.style.display = 'none';
  	}
     },
     
     toString: function() {
  