function go(loc)
{
	document.location.href = loc;
}

function goBack()
{
	history.back();
}

function goHide(obj)
{
	obj.style.display = 'none';
}

function goFocus(obj)
{
	obj.focus();
}

function goShow(obj)
{
	obj.style.display = 'block';
}

function goDisable(obj)
{
	obj.disabled = true;
}

function goEnable(obj)
{
	obj.disabled = false;
}

function goClearField(obj, text)
{
	if (obj.value == text) obj.value = '';
}

function goFillField(obj, text)
{
	if (obj.value == '') obj.value = text;
}

function goPopup(where)
{
	window.open(where);
}

function goPopupMinimal(loc,w,h)
{
	var leftVal = (screen.width / 2) - (w/2);
	var topVal = (screen.height / 2) - (h/2);
	window.open (loc, 'new_window', 'left=' +leftVal+ ',top=' + topVal + ',toolbar=no,width=' + w + ',height=' + h + ',status=no,resizable=yes,menubar=no,location=no,scrollbars=yes');
}

function getMousePosition(e)
{
	var posx = 0;
	var posy = 0;
	
	if (!e) var e = window.event;
	if (e.pageX || e.pageY) {
		posx = e.pageX;
		posy = e.pageY;
	} else if (e.clientX || e.clientY) {
		posx = e.clientX + document.body.scrollLeft	+ document.documentElement.scrollLeft;
		posy = e.clientY + document.body.scrollTop	+ document.documentElement.scrollTop;
	}

	var coordinates=new Object();
	coordinates.x=posx;
	coordinates.y=posy;

	return coordinates;
}