domel = {};
domel.window = $(window);
domel.body = $("body");


/*************** 获取随机数 *********************/

domel.getrandomnumber = function(num){
	var n = math.floor(math.random()*num);
	return n;
}

/*************** 随机出现kv *********************/

domel.randomkv = function(){
	
}

/********************* 全屏滚动的javascript效果 ***********************/

domel.bannerslideaction = function(el,pagelist){
	var self = this;
	
	self.area = $(el);
	self.pagearea = $(pagelist);
	self.block = $(el).find("ul").eq(0);
	
	self.def = function(){
		self.list = $(el).find("li");
		self.listnum = self.list.length;
		self.defw = 240;
		self.now = 0;
		
		self.page = math.ceil(self.listnum/4);
		self.move = self.defw*4;
	
		$(self.block).css("width",self.defw*self.listnum+"px");
		$(self.pagearea).html("");
		
		for(var i=0; i<self.page; i++){
			var link = $('<span class="innerblock"></span>').appendto(self.pagearea);
			$(link).hover(function(){
				$(this).addclass("hover");
			},
			function(){
				$(this).removeclass("hover");
			})
			link.index = i;
			if(i == 0){link.addclass("active");}
		}
	}
	
	self.def();
	
	self.leftbutton = $(el).find(".prevbutton");
	self.rightbutton = $(el).find(".nextbutton");
	self.leftmark = $(el).find(".leftmark");
	self.rightmark = $(el).find(".rightmark");
	
	self.motion = function(){
		$(self.block).animate({
			left:self.left*-1
		},600,function(){
			self.key = 0;
			if(self.now == 0){
				self.leftbutton.hide();
				//self.rightbutton.show();
			}else if(self.now == self.page-1){
				//self.leftbutton.show();
				self.rightbutton.hide();
			}else{
				//self.leftbutton.show();
				//self.rightbutton.show();
			}
		})
	}
	
	self.resetgallery = function(){
		self.def();
	}
	
	self.resizemarkwidth = function(){
		var markwidth = ($("body").width()-960)/2;
		$(".motionmark").css("width",markwidth);
		$(el).find(".leftmark").css('left',markwidth*-1);
		$(el).find(".rightmark").css('right',markwidth*-1);
	}
	
	self.pagearea.delegate("span","click",function(e){
		self.key = 1;
		self.pagearea.find("span").removeclass("active");
		$(e.currenttarget).addclass("active");
		self.now = (self.now != $(e.currenttarget).index()) ? $(e.currenttarget).index() : self.now;
		
		self.left = math.min(self.now*4*self.defw , self.defw*(self.listnum-4));
		self.left = math.max(self.left , 0);
		
		self.motion();
		return false;
	})
	
	$(self.leftbutton).bind("click",function(event){
		if(self.now == 0 || self.key == 1) return false;
		self.key = 1;
		self.now--;
		self.pagearea.find("span").eq(self.now).click();
		return false;
	})
	
	$(self.rightbutton).bind("click",function(event){
		if(self.now == self.page-1 || self.key == 1) return false;
		self.key = 1;
		self.now++;
		self.pagearea.find("span").eq(self.now).click();
		return false;
	})
	
	$(self.leftmark).bind("click",function(event){
		if(self.now == 0 || self.key == 1) return false;
		self.key = 1;
		self.now--;
		self.pagearea.find("span").eq(self.now).click();
		return false;
	})
	
	$(self.rightmark).bind("click",function(event){
		if(self.now == self.page-1 || self.key == 1) return false;
		self.key = 1;
		self.now++;
		self.pagearea.find("span").eq(self.now).click();
		return false;
	})
	
	$(".leftmark, .prevbutton").bind("mouseenter",function(){
		if(self.leftbutton.css("display") == "none"){
			if(self.now != 0 ) self.leftbutton.show();
		}
	})
	
	$(".leftmark, .prevbutton").bind("mouseleave",function(){
		self.leftbutton.hide();
	})
	
	$(".rightmark, .nextbutton").bind("mouseenter",function(){
		if(self.leftbutton.css("display") == "none"){
			if(self.now != self.page-1 ) self.rightbutton.show();
		}
	})
	
	$(".rightmark, .nextbutton").bind("mouseleave",function(){
		self.rightbutton.hide();
	})
	
	self.resizemarkwidth();
	
	$(window).resize(function(){
		self.resizemarkwidth();
	});
	
}

/*************** 页面ready和页面resize *********************/

$(document).ready(function(){
	if($("#newrecommendbannerarea").length > 0){
		domel.bannerslide = new domel.bannerslideaction("#newrecommendbannerarea","#newrecommendpage");
	}
})