var Handler = {
clearedOnce : false,clear : function ( field ) {if (this.clearedOnce == false) {field.value = '';this.clearedOnce = true;}}}

var Handlers = {
clearedOnce : false,
clear : 
function ( field ) {
if (this.clearedOnce == false) {
field.value = '';
this.clearedOnce = true;
}
}
}