var preloadFlag = false;
var url = "http://www.easytelcanada.com";

function preloadImages() {
	if (document.images) {
		go_button_over = newImage(url + "_images/go_button_over.gif");
		more_button_over = newImage(url + "_images/more_button_over.gif");
		more_button_out = newImage(url + "_images/more_button_out.gif");
		preloadFlag = true;
	}
}

function newImage(arg) {
  if (document.images) {
    rslt = new Image();
    rslt.src = arg;
    return rslt;
  }
}

function changeImages() {
 	if (document.images && (preloadFlag == true)) {
	  for (var i=0; i<changeImages.arguments.length; i+=2) {
	   document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
	  }
  }
}