var preloadFlag = false;

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 preloadImages() {
	if (document.images) {
		inside_07_over = newImage("gfx/inside_07_over.gif");
		inside_07_out = newImage("gfx/inside_07_out.gif");
		inside_08_over = newImage("gfx/inside_08_over.gif");
		inside_08_out = newImage("gfx/inside_08_out.gif");
		inside_09_over = newImage("gfx/inside_09_over.gif");
		inside_09_out = newImage("gfx/inside_09_out.gif");
		inside_10_over = newImage("gfx/inside_10_over.gif");
		inside_10_out = newImage("gfx/inside_10_out.gif");
		inside_11_over = newImage("gfx/inside_11_over.gif");
		inside_11_out = newImage("gfx/inside_11_out.gif");
		
		inside_17_over = newImage("gfx/inside_17_over.gif");
		inside_17_out = newImage("gfx/inside_17_out.gif");
		inside_18_over = newImage("gfx/inside_18_over.gif");
		inside_18_out = newImage("gfx/inside_18_out.gif");
		inside_19_over = newImage("gfx/inside_19_over.gif");
		inside_19_out = newImage("gfx/inside_19_out.gif");
		inside_20_over = newImage("gfx/inside_20_over.gif");
		inside_20_out = newImage("gfx/inside_20_out.gif");
		inside_21_over = newImage("gfx/inside_21_over.gif");
		inside_21_out = newImage("gfx/inside_21_out.gif");
		inside_22_over = newImage("gfx/inside_22_over.gif");
		inside_22_out = newImage("gfx/inside_22_out.gif");
		preloadFlag = true;
	}
}

document.onload = preloadImages();