/**
 * @name       disable_contextmenu
 * @version    2.00
 * @updated    2007/12/04
 * @copyright  Copyright (c) 2007, SOFTBANK MOBILE Corp.
 */



function disable_oncontextmenu () {
	var img = document.getElementsByTagName('img');
	for (var i = 0, ix = img.length; i < ix; i++) {
		img[i].oncontextmenu = function () { return false; };
		img[i].onmousedown   = function () { return false; };
		img[i].ondragstart   = function () { return false; };
	}
}
document.oncontextmenu = disable_oncontextmenu;
document.onmousedown   = disable_oncontextmenu;
disable_oncontextmenu();