function clearDefault(el) {
	if (el.defaultValue==el.value) { 
		el.value = "";
		el.style.color = "#333333";
		}
	}
function restoreDefault(el) {
	if (el.value.length==0) { 
		el.style.color = "#BBBBBB";
		el.value=el.defaultValue;
		}
	}