Document will print

There is a tool for "documents will print", I would like to clear all default place holders.  is this possible?

I found and modified this script and I added in an alert and the default values are not deleted,

for ( var i = 0; i < this.numFields; i++) {
var fname = this.getNthFieldName(i);
var ffield = this.getField(fname);
console.println("fname: "+ fname + " - ffield.value: " + ffield.value);
if (ffield != null && ffield.value==ffield.defaultValue) {
ffield.value = "";
}
}