function toggledisplay(nr)
			{	
				if (document.layers)
				{
					current = (document.layers[nr].display == 'none') ? 'block' : 'none';
					document.layers[nr].display = current;
				}
				else if (document.getElementById)
				{
					vista = (document.getElementById(nr).style.display == 'none') ? 'block' : 'none';
					document.getElementById(nr).style.display = vista;
				}
				else if (document.all)
				{
					current = (document.all[nr].style.display == 'none') ? 'block' : 'none';
					document.all[nr].style.display = current;
				}
			}
			function setdisplay(nr,display)
			{	
				if (document.layers)
				{
					document.layers[nr].display = display;
				}
				else if (document.getElementById)
				{
					document.getElementById(nr).style.display = display;
				}
				else if (document.all)
				{
					document.all[nr].style.display = display;
				}
			}
			
			function $() {

    var elements = new Array();

    for (var i = 0; i < arguments.length; i++) {

      var element = arguments[i];

      if (typeof element == 'string') {
        if (document.getElementById) {
          element = document.getElementById(element);
        } else if (document.all) {
          element = document.all[element];
        }
      }

      elements.push(element);

    }

    if (arguments.length == 1 && elements.length > 0) {
      return elements[0];
    } else {
      return elements;
    }
}