function clrTxt(oElem, oEvent) {
if (
oElem
&& oElem.value
&& oElem.defaultValue
&& oEvent
&& oEvent.type
) {
if (
oEvent.type == "focus"
&& oElem.value == oElem.defaultValue
) {
oElem.value = "";
}
else if (
oEvent.type == "blur"
&& oElem.value == ""
) {
oElem.value = oElem.defaultValue;
}
}
}