function toggleDisplay (str) {
	 var sty = cb_getElementStyle(str);
	 if (sty.display == 'none') {
		  sty.display = '';
	 } else {
		  sty.display = 'none';
	 }
}

function cb_getElement(elemID) {
	 if (document.layers != null) {
		  return eval('document.layers["' + elemID + '"]');
	 } else if (document.all != null) {
		  return eval('document.all.' + elemID + '');
	 } else {
		  return document.getElementById(elemID);
	 }
}

function cb_getElementStyle(elemID) {
	 if (document.layers != null)
		  return eval('document.layers["' + elemID + '"]');
	 else if (document.all != null)
		  return eval('document.all.' + elemID + '.style');
	 else
		  return document.getElementById(elemID).style;
}

function setMarker () {
	 var ar = parent.locar;
	 if (ar.length > 0) {
		  var s = ar.length - 1;
		  for (var i = 0; i < s; i++) {
				toggleDisplay(ar[i]);
		  }
		  var sty = cb_getElementStyle(ar[s]);
		  sty.color = 'white';
	 }
}