/*
 * index页面js
 * 		
 * */

/*
 * index页面js
*/

jQuery.fn.extend({
	myrun: function(option) {
  	//初始化变量等
	var defOption = {lleftBt:"#scoll_l",rightBt:"#scoll_r",psBts:"#scoll_dot",psBt_class:"ed",duration:1000,
						auto:true,autoSpeed:3000};
	var box = $(this);
	var ps = new Array();

	var curr = 1;

	
	//覆盖默认参数
	if(option != null && option != ''){////
		$.each(option,function(key,value){
				defOption[key.toString()] = value;
		})
	}

	//初始化定位按钮
	var bts = $(defOption.psBts).find('li');
	//定位按钮注册点击事件
	bts.each(function(){  
		$(this).click(function(){
			var index = Number($(this).attr('id').slice(1,2));
			move.jump(index);
			bts.removeClass(defOption.psBt_class);
			$(this).addClass(defOption.psBt_class);
		});
	});
	//自动播放
	if(defOption.auto){
			var loop = setInterval(function(){move.next()},4000);
			
	}
	//左右按钮注册点击事件
	$(defOption.rightBt).click(function(){
			move.next();
	});
	$(defOption.leftBt).click(function(){
			move.preview();
	});	
	//核心滑动函数
	var move = {
			jump:function(ps_index){
				if(1 <= ps_index <= 3){
					
					curr = ps_index;
  
					if(curr == 0){
									curr = 3;
								}else if(curr == 4){
									curr = 1;
								}
								
					sid = curr -1 ;	 
					$(".simg p").hide();   
                    $(".simg p").eq(sid).fadeIn("500"); 
       			    //$(sid).eq(curr).fadeIn("1000");
					//curr_img = "url(images/lunbo"+ curr+".jpg) no-repeat center top";
					//box.css("background",curr_img); 
 								
					bts.removeClass(defOption.psBt_class);
					bts.eq(curr-1).addClass(defOption.psBt_class);
				}
			},
			next:function(){
				this.jump(curr+1);
			},
			preview:function(){
				this.jump(curr-1);
			}
	};
	
  }			
}); 

$(function(){	   		   	   
		var timeout         = 0;
		var closetimer		= 0;
		var ddmenuitem      = 0;
		function jsddm_open()
		{	
			jsddm_canceltimer();
			jsddm_close();
			ddmenuitem = $(this).find('p').eq(0).css('visibility', 'visible');
			$(this).eq(0).addClass('hover');
		}
		function jsddm_close()
		{	
			if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');	
		}
		
		function jsddm_timer()
		{	closetimer = window.setTimeout(jsddm_close, timeout);
			$(this).removeClass('hover');
		}
		
		function jsddm_canceltimer()
		{	if(closetimer)
			{	window.clearTimeout(closetimer);
				closetimer = null;}}
		
		$(document).ready(function()
		{	$('.nav li').bind('mouseover', jsddm_open);
			$('.nav li').bind('mouseout',  jsddm_timer);});



		$('.left_ce ul li h3').click(function(){
					var index = $('.left_ce ul li h3').index($(this));
					$('.left_ce ul li h3').removeClass("open"); 
					$('.left_ce ul li h3').addClass("close"); 
					$('.left_ce ul li h3').eq(index).removeClass("close"); 
					$('.left_ce ul li h3').eq(index).addClass("open"); 
					//alert(index);
					$('.left_ce ul li p').slideUp("3000"); 
					$('.left_ce ul li p').eq(index).slideDown("3000") ;
		}); 	

		
		$(".lunbo").myrun({leftBt:"#scoll_l",rightBt:"#scoll_r",psBts:"#scoll_dot",psBt_class:"ed",duration:1000,
								auto:true,autoSpeed:3000});
		


		$('a').attr('target','_blank');
}); 


$(function(){
	//heartBeat();
});



function heartBeat(){ 
	var diffY;
		if (document.documentElement && document.documentElement.scrollTop){
    	diffY = document.documentElement.scrollTop;
		}else if (document.body){
			diffY = document.body.scrollTop
		}else{/*Netscape stuff*/}

get("_returnTop_layout").style.top=$(window).height()-$('#_returnTop_layout').height()+diffY+"px";
get("_returnTop_layout").style.left=$(window).width()-300+"px";

}
function get(id){
return document.getElementById(id);
}