// Preload 'loading' gif
loading = new Image;
loading.src='images/loading.gif';

function changeDisplayImage(){
	document.getElementById('main').src=loading.src;
	document.getElementById('main').src=changeDisplayImage.arguments[0];
	document.getElementById('caption').firstChild.nodeValue=changeDisplayImage.arguments[1];
	document.getElementById('caption').lastChild.nodeValue=changeDisplayImage.arguments[2];	
}


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];
		}
	}
}

function changeImagesOnMouseOut() {
	if (document.images && (preloadFlag == true)  && changeImagesOnMouseOut.arguments[0] == window.document.title) {
		document[changeImagesOnMouseOut.arguments[0]].src = changeImagesOnMouseOut.arguments[1];
	} else {
		document[changeImagesOnMouseOut.arguments[0]].src = changeImagesOnMouseOut.arguments[2];
	}
}