// This file should be used to create
// onload events on individual pages.
// This file should not be altered

function addLoadEvent(func) {
  var oldonload = window.onload;
  if(typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if(oldonload) {
        oldonload()
      };
      func();
    }
  }
}


// This file should be used to create
// onunload events on individual pages.

function addUnloadEvent(func) {
  var oldonunload = window.onunload;
  if(typeof window.onunload != 'function'){
    window.onunload = func;
  }else{
    window.onunload = function() {
      if(oldonunload) {
        oldonunload()
      };
      func();
    }
  }
}