function openWindow(url, width, height)
{
	displayWindow = window.open(url,'displayWindow','toolbar=no,width=' + width + ',height=' + height + ',directories=no,status=yes,scrollbars=yes,resizable=yes,menubar=no');			
	if(displayWindow != null && displayWindow.opener == null)
	{
		displayWindow.opener = window;
	}
}	

function lockfield(aFields,activefield)
{
	for (field in aFields)
	{
		//alert(aFields[field])
		thisfield = document.getElementById(aFields[field]);
		thisfield.value = "";
		thisfield.style.backgroundColor = '#eeeeee';
	}
	activefield.style.backgroundColor = '#ffffcc';
}

function highlightfield(activefield)
{
	activefield.style.backgroundColor = '#ffffcc';
}

function restorefield(activefield)
{
	activefield.style.backgroundColor = '#ffffff';
}