function focusIn(obj){
	if(document.all && document.getElementById){
		obj.className+=" sffocus";
	}
}
function focusOff(obj){
	if(document.all && document.getElementById){
		obj.className=obj.className.replace(new RegExp(" sffocus\\b"), "");
	}
}

function clearField(obj){
		valueOld = obj.value
		obj.value = "";
	}
function backField(obj,value){
		if(obj.value == ""){
			obj.value = value;
		}
}
	function setField(obj,value){
		if(obj.value == value){
			obj.value = "";
		}
}
// JavaScript Document