var imageSrcCache=new Array();
var imageNameCache=new Array();

loadImages();

function loadImages() {
	docImages = document.getElementsByTagName("img");
	for (i=0; i<docImages.length; i++) {
		if ( docImages[i].id != null && docImages[i].id.indexOf("ttlib__") == 0 ) {
			getImage(docImages[i], docImages[i].src, true);	//cache first image
			filenameShort = getFilenameShort(docImages[i].src);
			FilenameExtension = getFilenameExtension(docImages[i].src);
			filenameShort2 = filenameShort.substring(0, filenameShort.length-1)+"2";
			getImage(docImages[i], filenameShort2+"."+FilenameExtension, true);	//cache second image
		}
	}
}

function getFilenameShort(filename) {
	return filename.substring(0, filename.lastIndexOf("."));
}

function getFilenameExtension(filename) {
	return filename.substring(filename.lastIndexOf(".")+1, filename.length);
}