function clearText(thefield)	{
	if (thefield.defaultValue == thefield.value)
		thefield.value = "";
	}
function replaceDefault(thefield)	{
	if(thefield.value == "")	{
		thefield.value = thefield.defaultValue;
		}
	}

function openWindow(url,w,h) {
	adviceWin = window.open(url,'advice','status=no,width='+w+',height='+h+',menubar=no,scrollbars=yes');
	adviceWin.focus(true);
	}