/*导航*/
$(document).ready(function(){
		$("li").each(function(){
			var thespan = $(this);
			var themenu = thespan.find(".submenu");
			var tarheight = themenu.height();
			themenu.css({height:0,opacity:0});
			
			var t1;
			
			function expand() {
				cleartimeout(t1);
				thespan.find('a').addclass("selected");
				themenu.stop().show().animate({height:tarheight,opacity:1},200);
			}
			
			function collapse() {
				cleartimeout(t1);
				t1 = settimeout(function(){
					thespan.find('a').removeclass("selected");
					themenu.stop().animate({height:0,opacity:0},200,function(){
						$(this).css({display:"none"});
					});
				}, 250);
			}
			
			thespan.hover(expand, collapse);
			themenu.hover(expand, collapse);
		});
});

//焦点图开始
$(function() {
	var swidth = $("#focus").width(); //获取焦点图的宽度（显示面积）
	var len = $("#focus dd li").length; //获取焦点图个数
	var index = 0;
	var pictimer;
	
	//以下代码添加数字按钮和按钮后的半透明条，还有上一页、下一页两个按钮
	var btn = "<div class='btnbg'></div><div class='btn'>";
	for(var i=0; i < len; i++) {
		btn += "<span></span>";
	}
	btn += "</div><div class='prenext pre'></div><div class='prenext next'></div>";
	$("#focus").append(btn);
	$("#focus .btnbg").css("opacity",0.5);

	//为小按钮添加鼠标滑入事件，以显示相应的内容
	$("#focus .btn span").css("opacity",0.4).mouseenter(function() {
		index = $("#focus .btn span").index(this);
		showpics(index);
	}).eq(0).trigger("mouseenter");

	//上一页、下一页按钮透明度处理
	$("#focus .prenext").css("opacity",0.2).hover(function() {
		$(this).stop(true,false).animate({"opacity":"0.5"},300);
	},function() {
		$(this).stop(true,false).animate({"opacity":"0.2"},300);
	});

	//上一页按钮
	$("#focus .pre").click(function() {
		index -= 1;
		if(index == -1) {index = len - 1;}
		showpics(index);
	});

	//下一页按钮
	$("#focus .next").click(function() {
		index += 1;
		if(index == len) {index = 0;}
		showpics(index);
	});

	//本例为左右滚动，即所有li元素都是在同一排向左浮动，所以这里需要计算出外围dd元素的宽度
	$("#focus dd").css("width",swidth * (len));
	
	//鼠标滑上焦点图时停止自动播放，滑出时开始自动播放
	$("#focus").hover(function() {
		clearinterval(pictimer);
	},function() {
		pictimer = setinterval(function() {
			showpics(index);
			index++;
			if(index == len) {index = 0;}
		},4000); //此4000代表自动播放的间隔，单位：毫秒
	}).trigger("mouseleave");
	
	//显示图片函数，根据接收的index值显示相应的内容
	function showpics(index) { //普通切换
		var nowleft = -index*swidth; //根据index值计算dd元素的left值
		$("#focus dd").stop(true,false).animate({"left":nowleft},300); //通过animate()调整dd元素滚动到计算出的position
		//$("#focus .btn span").removeclass("on").eq(index).addclass("on"); //为当前的按钮切换到选中的效果
		$("#focus .btn span").stop(true,false).animate({"opacity":"0.4"},300).eq(index).stop(true,false).animate({"opacity":"1"},300); //为当前的按钮切换到选中的效果
	}
});

// javascript document
//案例图片滚动列表 mengjia 070927
var speed_1 = 8; //速度(毫秒)
var space_1 = 12; //每次移动(px)
var pagewidth_1 = 239 * 2; //翻页宽度
var interval_1 = 4000; //翻页间隔
var fill_1 = 0; //整体移位
var movelock_1 = false;
var movetimeobj_1;
var moveway_1="right";
var comp_1 = 0;
var autoplayobj_1=null;
function getobj(objname){if(document.getelementbyid){return eval('document.getelementbyid("'+objname+'")')}else{return eval('document.all.'+objname)}}
function autoplay_1(){clearinterval(autoplayobj_1);autoplayobj_1=setinterval('isl_godown_1();isl_stopdown_1();',interval_1)}
function isl_goup_1(){if(movelock_1)return;clearinterval(autoplayobj_1);movelock_1=true;moveway_1="left";movetimeobj_1=setinterval('isl_scrup_1();',speed_1);}
function isl_stopup_1(){if(moveway_1 == "right"){return};clearinterval(movetimeobj_1);if((getobj('isl_cont_1').scrollleft-fill_1)%pagewidth_1!=0){comp_1=fill_1-(getobj('isl_cont_1').scrollleft%pagewidth_1);compscr_1()}else{movelock_1=false}
autoplay_1()}
function isl_scrup_1(){if(getobj('isl_cont_1').scrollleft<=0){getobj('isl_cont_1').scrollleft=getobj('isl_cont_1').scrollleft+getobj('list1_1').offsetwidth}
getobj('isl_cont_1').scrollleft-=space_1}
function isl_godown_1(){clearinterval(movetimeobj_1);if(movelock_1)return;clearinterval(autoplayobj_1);movelock_1=true;moveway_1="right";isl_scrdown_1();movetimeobj_1=setinterval('isl_scrdown_1()',speed_1)}
function isl_stopdown_1(){if(moveway_1 == "left"){return};clearinterval(movetimeobj_1);if(getobj('isl_cont_1').scrollleft%pagewidth_1-(fill_1>=0?fill_1:fill_1+1)!=0){comp_1=pagewidth_1-getobj('isl_cont_1').scrollleft%pagewidth_1+fill_1;compscr_1()}else{movelock_1=false}
autoplay_1()}
function isl_scrdown_1(){if(getobj('isl_cont_1').scrollleft>=getobj('list1_1').scrollwidth){getobj('isl_cont_1').scrollleft=getobj('isl_cont_1').scrollleft-getobj('list1_1').scrollwidth}
getobj('isl_cont_1').scrollleft+=space_1}
function compscr_1(){if(comp_1==0){movelock_1=false;return}
var num,tempspeed=speed_1,tempspace=space_1;if(math.abs(comp_1)<pagewidth_1/2){tempspace=math.round(math.abs(comp_1/space_1));if(tempspace<1){tempspace=1}}
if(comp_1<0){if(comp_1<-tempspace){comp_1+=tempspace;num=tempspace}else{num=-comp_1;comp_1=0}
getobj('isl_cont_1').scrollleft-=num;settimeout('compscr_1()',tempspeed)}else{if(comp_1>tempspace){comp_1-=tempspace;num=tempspace}else{num=comp_1;comp_1=0}
getobj('isl_cont_1').scrollleft+=num;settimeout('compscr_1()',tempspeed)}}
function picrun_ini(){
getobj("list2_1").innerhtml=getobj("list1_1").innerhtml;
getobj('isl_cont_1').scrollleft=fill_1>=0?fill_1:getobj('list1_1').scrollwidth-math.abs(fill_1);
getobj("isl_cont_1").onmouseover=function(){clearinterval(autoplayobj_1)}
getobj("isl_cont_1").onmouseout=function(){autoplay_1()}
autoplay_1();
}
//产品展示滚动图片结束
function mm_jumpmenu(targ,selobj,restore){ //v3.0
  eval(targ+".location='"+selobj.options[selobj.selectedindex].value+"'");
  if (restore) selobj.selectedindex=0;
}
function mm_preloadimages() { //v3.0
  var d=document; if(d.images){ if(!d.mm_p) d.mm_p=new array();
    var i,j=d.mm_p.length,a=mm_preloadimages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexof("#")!=0){ d.mm_p[j]=new image; d.mm_p[j++].src=a[i];}}
}

function mm_findobj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexof("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=mm_findobj(n,d.layers[i].document);
  if(!x && d.getelementbyid) x=d.getelementbyid(n); return x;
}

function mm_nbgroup(event, grpname) { //v6.0
  var i,img,nbarr,args=mm_nbgroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = mm_findobj(args[2])) != null && !img.mm_init) {
      img.mm_init = true; img.mm_up = args[3]; img.mm_dn = img.src;
      if ((nbarr = document[grpname]) == null) nbarr = document[grpname] = new array();
      nbarr[nbarr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = mm_findobj(args[i])) != null) {
        if (!img.mm_up) img.mm_up = img.src;
        img.src = img.mm_dn = args[i+1];
        nbarr[nbarr.length] = img;
    } }
  } else if (event == "over") {
    document.mm_nbover = nbarr = new array();
    for (i=1; i < args.length-1; i+=3) if ((img = mm_findobj(args[i])) != null) {
      if (!img.mm_up) img.mm_up = img.src;
      img.src = (img.mm_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.mm_up);
      nbarr[nbarr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.mm_nbover.length; i++) {
      img = document.mm_nbover[i]; img.src = (img.mm_dn) ? img.mm_dn : img.mm_up; }
  } else if (event == "down") {
    nbarr = document[grpname];
    if (nbarr)
      for (i=0; i < nbarr.length; i++) { img=nbarr[i]; img.src = img.mm_up; img.mm_dn = 0; }
    document[grpname] = nbarr = new array();
    for (i=2; i < args.length-1; i+=2) if ((img = mm_findobj(args[i])) != null) {
      if (!img.mm_up) img.mm_up = img.src;
      img.src = img.mm_dn = (args[i+1])? args[i+1] : img.mm_up;
      nbarr[nbarr.length] = img;
  } }
}
//qq浮动 

lastscrolly=0;
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*/}

percent=.1*(diffy-lastscrolly); 
if(percent>0)percent=math.ceil(percent); 
else percent=math.floor(percent); 
document.getelementbyid("full").style.top=parseint(document.getelementbyid("full").style.top)+percent+"px";
lastscrolly=lastscrolly+percent; 
}
var 
suspendcode=document.getelementbyid("full")
window.setinterval("heartbeat()",1);

//关闭
function hideq(){
  obj=document.getelementbyid("full");
  obj.style.display='none';
}
/**
 * 缓冲回到页面顶部 与qq悬浮共用
 * @param acceleration 加速度
 * @param time 时间间隔 (毫秒)
 **/
function gotop(acceleration, time) {
acceleration = acceleration || 0.5;
time = time || 10;
var x1=0;var y1=0;var x2=0;var y2=0;var x3=0;var y3=0;if(document.documentelement){x1=document.documentelement.scrollleft||0;y1=document.documentelement.scrolltop||0}if(document.body){x2=document.body.scrollleft||0;y2=document.body.scrolltop||0}var x3=window.scrollx||0;var y3=window.scrolly||0;var x=math.max(x1,math.max(x2,x3));var y=math.max(y1,math.max(y2,y3));var speed=1+acceleration;window.scrollto(math.floor(x/speed),math.floor(y/speed));if(x>0||y>0){var invokefunction="gotop("+acceleration+", "+time+")";window.settimeout(invokefunction,time)}}