function getDocObj(elem,parent) {
		  if (document.layers) {
			if (parent) {
			  return "document."+parent+".document."+elem;
			} else {
			  return "document."+elem;
			}

		  } else if (document.all) {
			return "document.all."+ elem;
		  } else if (document.getElementById) {
			return "document.getElementById('"+elem+"')";
		  }
	}
	function getDocObj(elem,parent) {
	  if (document.layers) {
			if (parent) {
				  return "document."+parent+".document."+elem;
			} else {
				  return "document."+elem;
			}

	  } else if (document.all) {
			return "document.all."+ elem;
	  } else if (document.getElementById) {
			return "document.getElementById('"+elem+"')";
	  }
}

function displayCommentBox(commentId, flag) {
	if(flag){
				eval(getDocObj(commentId)).style.display="block";
	}
	else {
				eval(getDocObj(commentId)).style.display="none";
	}
}