function est(){
	var act = document.formu.positionX.value;

	act = act - 0 + 1;

	document.formu.mani.value = true;
	document.formu.positionX.value = act;
	document.formu.submit;
}
function ouest(){
	var act = document.formu.positionX.value;

	act = act - 1;
	document.formu.mani.value = true;
	document.formu.positionX.value = act;
	document.formu.submit;
}
function nord(){
	var acty = document.formu.positionY.value;

	acty = acty - 0 + 1;
	document.formu.mani.value = true;
	document.formu.positionY.value = acty;
	document.formu.submit;
}
function sud(){
	var acty = document.formu.positionY.value;

	acty = acty - 1;
	document.formu.mani.value = true;
	document.formu.positionY.value = acty;
	document.formu.submit;
}
function zoomPlus(){
	var actz = document.formu.zoom.value;

	actz = actz -0 + 1;
	document.formu.mani.value = true;

	document.formu.zoom.value = actz;
	document.formu.submit;
}
function zoomMoins(){
	var actz = document.formu.zoom.value;

	actz = actz - 1;
	document.formu.mani.value = true;
	document.formu.zoom.value = actz;
	document.formu.submit;
}

function sest(){
	var act = document.formu.positionX.value;

	act = act - 0 + 10;
	document.formu.mani.value = true;
	document.formu.positionX.value = act;
	document.formu.submit;
}
function souest(){
	var act = document.formu.positionX.value;

	act = act - 10;
	document.formu.mani.value = true;
	document.formu.positionX.value = act;
	document.formu.submit;
}
function snord(){
	var acty = document.formu.positionY.value;

	acty = acty - 0 + 10;
	document.formu.mani.value = true;
	document.formu.positionY.value = acty;
	document.formu.submit;
}
function ssud(){
	var acty = document.formu.positionY.value;

	acty = acty - 10;
	document.formu.mani.value = true;
	document.formu.positionY.value = acty;
	document.formu.submit;
}
function szoomPlus(){
	var actz = document.formu.zoom.value;

	actz = actz -0 + 10;
	document.formu.mani.value = true;
	document.formu.zoom.value = actz;
	document.formu.submit;
}
function szoomMoins(){
	var actz = document.formu.zoom.value;

	actz = actz - 10;
	document.formu.mani.value = true;
	document.formu.zoom.value = actz;
	document.formu.submit;
}