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

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 goClearFieldBg(elem)
{
	if (elem.value == '') {
		elem.style.backgroundImage = 'none';
	}
}

function goFillFieldBg(elem, bg)
{
	if (elem.value == '') {
		elem.style.backgroundImage = 'url(' + bg + ')';
	}
}
	
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 goPopupImage(loc)
{
	var w = 640;
	var h = 480;
	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=no');
}