// USAGE:  onfocus="myFocus(this);" onblur="myBlur(this);"

// Toggle the value of a form field
   function myFocus(element) {
     if (element.value == element.defaultValue) {
       element.value = '';
     }
   }
   function myBlur(element) {
     if (element.value == '') {
       element.value = element.defaultValue;
     }
   }