function openWindow(theURL,winName,features) { 
  var wind = null;
  wind = window.open(theURL,winName,features);
}

function preloadImg(theSrc) {
	if (document.images) {
		if (document.preloadArray==null) document.preloadArray = new Array();
		var i = document.preloadArray.length;
		document.preloadArray[i] = new Image;
		document.preloadArray[i].src = theSrc;
	}
}

function loadImg(theImg,theSrc) {
	if (document.images) document.images[theImg].src = theSrc;
}