function doc_init(){
	var over_picture = false;
	var light_box_open = false;
	//prevent img right click
	$("img, div.image, div.imgOfStaff").mouseover(function(e) {				 
		over_picture = true;
	});
	$("img, div.image, div.imgOfStaff").mouseout(function(e) {
		over_picture = false;
	});
	$().bind('cbox_open', function(){
        light_box_open = true;
	});
	$().bind('cbox_closed', function(){
        light_box_open = false;
	});
	document.oncontextmenu = function(){return !over_picture && !light_box_open;};
}