function limitfield(field, maxlimit) {
	if (field.value.length > maxlimit) // if too long...trim it!
		field.value = field.value.substring(0, maxlimit);
}

function precoProd(field, limit) {

	if (isNaN(field.value) == true)
		field.value = 0
	else
		if (field.value > limit)
		field.value = limit
	else
		field.value = field.value

}

function quantidade(field) {

	if (isNaN(field.value) == true)
		field.value = 0
	else
		field.value = field.value

}

function textCounter(field, maxlimit) {
	if (field.value.length > maxlimit) // if too long...trim it!
		field.value = field.value.substring(0, maxlimit);
	// otherwise, update 'characters left' counter
	//else
	//countfield.value = maxlimit - field.value.length;
}

function mostralayer(nome) {

	var objeto
	objeto = document.getElementById(nome);
	objeto.style.visibility = 'visible';

}

function fechalayer(nome) {

	var objeto
	objeto = document.getElementById(nome);
	objeto.style.visibility = 'hidden';

}


var cX = 0; var cY = 0; var rX = 0; var rY = 0;
function UpdateCursorPosition(e) { cX = e.pageX; cY = e.pageY; }
function UpdateCursorPositionDocAll(e) { cX = event.clientX; cY = event.clientY; }
if (document.all) { document.onmousemove = UpdateCursorPositionDocAll; }
else { document.onmousemove = UpdateCursorPosition; }
function AssignPosition(d) {
	if (self.pageYOffset) {
		rX = self.pageXOffset;
		rY = self.pageYOffset;
	}
	else if (document.documentElement && document.documentElement.scrollTop) {
		rX = document.documentElement.scrollLeft;
		rY = document.documentElement.scrollTop;
	}
	else if (document.body) {
		rX = document.body.scrollLeft;
		rY = document.body.scrollTop;
	}
	if (document.all) {
		cX += rX;
		cY += rY;
	}
	d.style.left = (cX - 150) + "px";
	d.style.top = (cY + 5) + "px";
}
function HideContent(d) {
	if (d.length < 1) { return; }
	document.getElementById(d).style.display = "none";
}
function ShowContent(d) {
	if (d.length < 1) { return; }
	var dd = document.getElementById(d);
	AssignPosition(dd);
	dd.style.display = "block";
}
function ReverseContentDisplay(d) {
	if (d.length < 1) { return; }
	var dd = document.getElementById(d);
	AssignPosition(dd);
	if (dd.style.display == "none") { dd.style.display = "block"; }
	else { dd.style.display = "none"; }
}