var jump="0";
var hop="0";
function changeJump(){
	if (hop == "1"){
		document.getElementById("hopButton").style.visibility = "hidden";
		hop="0";
	}
	if (jump == "0"){
		document.getElementById("jumpButton").style.visibility = "visible";
		jump="1";
	}else{
		document.getElementById("jumpButton").style.visibility = "hidden";
		jump="0";
	}
}
function changeHop(){
	if (jump == "1"){
		document.getElementById("jumpButton").style.visibility = "hidden";
		jump="0";
	}
	if (hop == "0"){
		document.getElementById("hopButton").style.visibility = "visible";
		hop="1";
	}else{
		document.getElementById("hopButton").style.visibility = "hidden";
		hop="0";
	}
}
function changeNavigationBody(){
	if (jump == "1"){
		document.getElementById("jumpButton").style.visibility = "hidden";
		jump="0";
	}
	if (hop == "1"){
		document.getElementById("hopButton").style.visibility = "hidden";
		hop="0";
	}
}

function submitform()
{
  document.google.submit();
}