function imgGard() {
	var objImg = document.getElementsByTagName("img");
	var LenImg = objImg.length;
	for (i = 0; i < LenImg; i++) {
		objImg[i].oncontextmenu = returnFalse;
		objImg[i].galleryimg = "no";
	}
	document.oncontextmenu = function() {};
}
function addEvent(el, evname, func) {
	if (el.attachEvent) {
		el.attachEvent("on" + evname, func);
	} else {
		el.addEventListener(evname, func, true);
	}
}
function removeEvent(el, evname, func) {
	if (el.detachEvent) {
		el.detachEvent("on" + evname, func);
	} else {
		el.removeEventListener(evname, func, true);
	}
}
function returnFalse() {
	return false;
}

addEvent(window, "load", imgGard);