function onFocusField(FieldName) {
		//fieldValue = document.getElementById(FieldName).value;
		document.getElementById(FieldName).value = '';
	}

	function onBlurField(FieldName,param1, param2){
		var Value;
		if(param1 == '')
			Value = param2;
		else
			Value = param1;
		document.getElementById(FieldName).value = Value;
	}