function setHover(sender) {
  var className = sender.className;

  if (!isHover(className)) sender.className = className+'Hover';
}


function clearHover(sender) {
  var className = sender.className;

  if (isHover(className)) sender.className = className.substring(0, className.length-5);
}

function isHover(className) {
  var regex = /Hover$/;
  return regex.exec(className);
}

function jumpUrl(sender, url) {
	clearHover(sender);
	window.location=url;
}

function change(name) {
  if (document.getElementById(name).style.display=='none') {
	document.getElementById(name).style.display=''; 
  } else {
	document.getElementById(name).style.display='none';
  }
}

function confFormSubmit(id, message) {
	if (confirm(message)) {
		document.getElementById(id).submit();
	}
}