$(document).ready(function() {
    $("div[id^='menu_']").hover(
            function() {
                var $item = $(this).attr('id');
                $("div[id ^= 'sub_menu_']").hide();
                //$('#sub_' + $item).slideDown(100);
				$('#sub_' + $item).show();
            },
            function() {
                var $item = $(this).attr('id');
				$("div[id ^= 'sub_menu_']").hide();
            }
        );

    $("div[id^='sub_menu_']").hover(
            function() {
                $(this).show();
            },
            function() {
                $(this).hide();
            }
        );
});

$(document).ready(function() {
    var y_fixo = $("div[id^='div_feedback']").offset().top;
    $(window).scroll(function () {
		var mtScroll = getScrollXY();
        $("div[id^='div_feedback']").animate({top: y_fixo+mtScroll[1]+"px"},{duration:500,queue:false});
    });
	
    $("div[id^='div_feedback_lateral']").click(
            function() {
				if($("div[id^='div_feedback']").css('left') == "0px")
					//$(this).css({right:-180});
					$("div[id^='div_feedback']").animate({left:-182},400);
				else
	                //$(this).css({right:0});
					$("div[id^='div_feedback']").animate({left:0},400);
            }
        );
});

function getScrollXY() {
	var scrOfX = 0, scrOfY = 0;
	if( typeof( window.pageYOffset ) == 'number' ) {
		//Netscape compliant
		scrOfY = window.pageYOffset;
		scrOfX = window.pageXOffset;
	} else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
		//DOM compliant
		scrOfY = document.body.scrollTop;
		scrOfX = document.body.scrollLeft;
	} else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
		//IE6 standards compliant mode
		scrOfY = document.documentElement.scrollTop;
		scrOfX = document.documentElement.scrollLeft;
	}
	return [ scrOfX, scrOfY ];
}