function key_pressed() {
// alert(window.event.keyCode)
	switch (window.event.keyCode) {


	case 60:
	case 44: step_day(-1); break;

	case 62:
	case 46: step_day(1); break;



	//case 51: compare("amsr", 3); break;
	//case 52: compare("amsr", 4); break;

	}
}


function step_day(d) {
	day += d;
	display_image();
}


function compare(key, ver) {

	version = ver;

	inst.key = key;

	switch(inst.key) {
	case "amsr":
		switch(version) {
		case 3: pass_keys = ["d", "n"]; break;
		case 4: pass_keys = ["ascending", "descending"]; break;
		}
		break;
	default: pass_keys = ["m", "e"];
	}


	set_folders();
	display_image();

//	document.images["image1"].src = rootLarge + img_name(product);
// msg(rootLarge + img_name(product));
}