function popup(src, target){
	window.open("detail.php?file="+src, target, "width=400,height=400").focus();
	return false;
}
function resizeWindow(w, h){
	window.resizeTo(w, h);
	window.moveTo(screen.width / 2 - w / 2,screen.height / 2 - h / 2);
}
function switchDisplay(first, last){
	if (document.getElementById(first).style.display == "none")
		document.getElementById(first).style.display = "block";
	else
		document.getElementById(first).style.display = "none";

	if (document.getElementById(last).style.display == "none")
		document.getElementById(last).style.display = "block";
	else
		document.getElementById(last).style.display = "none";
}