function submitenter(myfield,e)
	{
		var keycode;
		if (window.event) keycode = window.event.keyCode;
		else if (e) keycode = e.which;
		else return true;

		if (keycode == 13)
		   {
		   myfield.form.submit();
		   return false;
		   }
		else
		   return true;
	}
  
	  function addEvent(obj ,evt, fnc)
      {
        if (obj.addEventListener)
          obj.addEventListener(evt,fnc,false);
        else if (obj.attachEvent)
          obj.attachEvent('on'+evt,fnc);
        else
          return false;
        return true;
      }

      function removeEvent(obj ,evt, fnc)
      {
        if (obj.removeEventListener)
          obj.removeEventListener(evt,fnc,false);
        else if (obj.detachEvent)
          obj.detachEvent('on'+evt,fnc);
        else
          return false;
        return true;
      }

      //----------

      function appendElement(node,tag,id,htm)
      {
        var ne = document.createElement(tag);
        if(id) ne.id = id;
        if(htm) ne.innerHTML = htm;
        node.appendChild(ne);
      }

      //----------

      function showPopup(p)
      {
        greyout(true);
        document.getElementById(p).style.display = 'block';
      }

      function hidePopup(p)
      {
        greyout(false);
        document.getElementById(p).style.display = 'none';
      }

      //----------

      function greyout(d,z)
      {
        var obj = document.getElementById('greyout');
        if(!obj)
        {
          appendElement(document.body,'div','greyout');
          obj = document.getElementById('greyout');
          obj.style.position = 'absolute';
          obj.style.top = '0px';
          obj.style.left = '0px';
          obj.style.background = '#111';
          obj.style.opacity = '.5';
          obj.style.filter = 'alpha(opacity=50)';
        }
        if(d)
        {
          if(!z){ z - 50 }
          obj.style.zIndex = z;
          obj.style.height = Math.max(document.body.scrollHeight,document.body.clientHeight)+'px';
          obj.style.width  = Math.max(document.body.scrollWidth,document.body.clientWidth)+'px';
          obj.style.display = 'block';
          addEvent(window,'resize',greyoutResize);
        }
        else
        {
          obj.style.display = 'none';   
          removeEvent(window,'resize',greyoutResize);
        }
      }
     
      function greyoutResize()
      {
        var obj = document.getElementById('greyout');
        obj.style.height = document.body.clientHeight+'px';
        obj.style.width  = document.body.clientWidth+'px';
        obj.style.height = Math.max(document.body.scrollHeight,document.body.clientHeight)+'px';
        obj.style.width  = Math.max(document.body.scrollWidth,document.body.clientWidth)+'px';
      }