var slide = new Array;
var show_id;
var slide_timer;



$(window).load(function(){
	$(".menu").hover(
		function(){
			$(this).children().addClass("hover");
		},
		function(){
			if(show_id!=$(this).attr('id'))
				$(this).children().removeClass("hover");
		}
	);
	$(".menu").click(function(){
		location.href=$(this).find("a").attr("href");
	});
});


function request(block,data){
	var loaderName='loader'+Math.round(Math.random()*100);
	var loaderObj='#'+loaderName;
	$.ajax({
		type: "POST",
		url: "/function.php",
		data: data,
		beforeSend: function(){
			$(block).append('<div id="'+loaderName+'" class="loader" style="position: absolute"><img src="/images/loading.gif" /></div>');
			$(loaderObj).css('left',(parseInt($(block).width())-32)/2)+"px";
			$(loaderObj).css('top',(parseInt($(block).height())-32)/2)+"px";
		},
		success: function(msg){
			$(block).html(msg);
//			if(block=="#m_f_right")
//			alert(block+':'+data+":\n"+msg);
		},
		complete: function(){
			$(loaderObj).remove();
		},
		error: function(XMLHttpRequest, textStatus, errorThrown){
			$(block).html(textStatus+errorThrown);
		}
	});

}

function slide_show(){
	next(1);
	slide_timer=setTimeout("slide_show();",5000);
}

function next(step) {
	if (t != "") return;
	m[0] = 0;
	m[1] = 100;
	nextImage = nextImage + step;
	if (nextImage == pictureName.length) {
		nextImage = 0;
	} 
	if (nextImage == -1) {
		nextImage = pictureName.length - 1;
	} 
	$("#after").attr('src',slide[nextImage].src);
	change_slide();
}

function change_slide() {
	m[0] += 1;
	m[1] -= 1;
	$("#before_div").css('opacity',m[1]/100);
	$("#after_div").css('opacity',m[0]/100);
	$("#after_div").css('filter',"alpha(opacity="+m[0]+")");
	$("#before_div").css('filter',"alpha(opacity="+m[1]+")");
	t = setTimeout("change_slide()",5);
	if (m[0] > 98) {
		clearTimeout(t);
		$("#before").attr('src',slide[nextImage].src);
		$("#before_div").css('opacity',100);
		$("#before_div").css('filter',"alpha(opacity=0)");
		t = "";
	}

}

function changeImg(url){
	$("#itemMainImg").attr('src',url);
}