function showmenuservices() {
	/* menu services */
	var offset = $('#img_menu_services').offset();
	valx = (offset.top+30);
	valy = ( offset.left);


	$("#menu_services").css({
                                top: valx+"px",
				left: valy+'px'
              });

	$("#menu_services").show("slow");

}

function hidemenuservices() {
	$("#menu_services").hide();

}