function clearText(field){

    if (field.defaultValue == field.value) field.value = '';
    else if (field.value == '') field.value = field.defaultValue;

}

var menuID = "";
function showMenu(mObj) {
 if(menuID)
 { document.getElementById(menuID).style.display ='none'; }
 menuID = mObj;
 if(menuID)
 { document.getElementById(menuID).style.display = ''; 


}
}