// JavaScript Document
function insertIntoField(field,what,rewrite,defaultValue){
  if ((rewrite=='true'&&field.value==defaultValue)||(rewrite=='false'&&field.value=='')) field.value=what;
}

function onclickChange(id,type){
  var element = document.getElementById(id);
  if (type=='radio') element.checked=!element.checked;
  else if (type=='field') element.focus();
}