var ImagesToPreload = new Array();

function PreloadImages()
{
	for (var i = 0; i < ImagesToPreload.length; ++i)
	{
		var image = new Image();
		image.src = ImagesToPreload[i];
	}
}

function ChangeSrc(imageID, imagesrc)
{
	document.getElementById(imageID).src = imagesrc;
}

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