var oldId;
function empty(objId) {
document.getElementById(objId).value="";
}

function swap() {
	this.className="Active";
}
function swapBack() {
	if(oldId==this.id) {
		this.className="Hidden";
	}
	else {
		this.className="Hidden";
	}
}


function mainMenu() {
	if (document.getElementById) {
	var mainTarget = document.getElementById("menu");
	var LI = mainTarget.getElementsByTagName("li");
	var zLI= LI.length;
		for (var k=0; k<zLI; k++) {
			LI[k].onmouseover = swap;
			LI[k].onmouseout = swapBack;
		}
	}
}

//window.onload = function() {
//	mainMenu();
//}

function getStatusHover(IDID) {
	
	var target = document.getElementById(IDID);
	if (target.className == "Active") {
		target.className = "Hidden";
	}
	else {
		target.className = "Active";
	}
}

function show(IDlist) {
	document.getElementById(IDlist).style.display = "block";
}
function hide(IDlist) {
	document.getElementById(IDlist).style.display = "none";
}
function clearText(IDlist) {
	document.getElementById(IDlist).value = "";
}

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

addLoadEvent( function() { mainMenu(); } );