function setField(objField, strDefault, strText)
{
	if(null == strText)
	{
		if(objField.value == strDefault)
		{
			strText = '';
		}
		else
		{
			strText	= objField.value;
		}
	}
	
	objField.value = strText;
}

function setOriginal(objField, strText)
{
	if(objField.value == '')
	{
		objField.value = strText;
	}	
}