/**
 * created by administrator on 2017/6/13.
 */
$(function(){
	
    //导航栏
    $('.head_nav_list>li').on('mouseenter',function(){
        $('.head_nav_list>li').removeclass('nav_active').eq($(this).index()).addclass('nav_active');
        $(this).find('.second_menu').css('height',$(this).find('.second_menu > li').length * 60 + 'px');
    });
    $('.head_nav_list>li').on('mouseleave',function(){
        $(this).find('.second_menu').css('height','0');
    });



//返回顶部
window.onload = function () {
                  var obtn=document.getelementbyid('top_btn');

                  window.onscroll=function(){
                      var scrolltop=document.documentelement.scrolltop || document.body.scrolltop;

                      if(scrolltop>400){
                          obtn.style.display='block';
                      }else{
                          obtn.style.display='none';
                      }
                  };

                  var timer;
                  obtn.onclick=function(){
                      var scrolltop=document.documentelement.scrolltop || document.body.scrolltop;
                      var start=scrolltop;
                      var dis=0-start;

                      var count=math.floor(1000/30);
                      var n=0;
                      clearinterval(timer);
                      timer=setinterval(function(){
                          n++;
                          var a=n/count;
                          var cur=start+dis*a;
                          document.documentelement.scrolltop=document.body.scrolltop=cur;
                          if(n==count){
                              clearinterval(timer);
                          }
                      }, 10);
                  };
              };






});




/*
幻灯片插件 jquery orbit plugin 1.2.3
*/
(function($) {

    $.fn.orbit = function(options) {

        //defaults to extend options
        var defaults = {  
            animation: 'fade', 		//幻灯片切换方式，可选 fade, horizontal-slide, vertical-slide, horizontal-push
            animationspeed: 1000, 				//幻灯片切换动画时间，单位为毫秒
            timer: true, 						//是否显示计时器
            advancespeed: 4000, 				//幻灯片切换间隔，单位为毫秒
            pauseonhover: true, 				//鼠标悬停在上面是否暂停
            startclockonmouseout: true, 		//点击导航后是否暂停计时器，直到鼠标移开
            startclockonmouseoutafter: 0, 	//鼠标移开后多久开始计时，单位为毫秒
            directionalnav: true, 				//是否显示左右方向导航
            captions: false, 					//是否显示标题
            captionanimation: 'fade', 			//标题显示动画方式，可选 fade（淡入淡出）、slideopen、none，需要 captions 为 true
            captionanimationspeed: 600, 		//标题动画时间，单位为毫秒
            bullets: true,						//是否显示项目导航
            bulletthumbs: false,				//是否显示缩略图，需要 bullets 为 true
            bulletthumblocation: '',			//缩略图的文件地址
            afterslidechange: function(){} 		//幻灯片切换后的回调函数
     	};  
        
        //extend those options
        var options = $.extend(defaults, options); 
	
        return this.each(function() {
        
// ==============
// ! setup   
// ==============
        
            //global variables
            var activeslide = 0,
            	numberslides = 0,
            	orbitwidth,
            	orbitheight,
            	locked;
            
            //initialize
            var orbit = $(this).addclass('orbit'),         
            	orbitwrapper = orbit.wrap('<div class="orbit-wrapper" />').parent();
				var orbitid = orbit.attr('id');
				orbitwrapper.addclass(orbitid);
            orbit.add(orbitwidth).width('1px').height('1px');
	    	            
            //collect all slides and set slider size of largest image
            var slides = orbit.children('li');
            slides.each(function() {
                var _slide = $(this),
                	_slidewidth = _slide.width(),
                	_slideheight = _slide.height();
                if(_slidewidth > orbit.width()) {
	                orbit.add(orbitwrapper).width(_slidewidth);
	                orbitwidth = orbit.width();	       			
	            }
	            if(_slideheight > orbit.height()) {
	                orbit.add(orbitwrapper).height(_slideheight);
	                orbitheight = orbit.height();
				}
                numberslides++;
            });
			
            
            //animation locking functions
            function unlock() {
                locked = false;
            }
            function lock() { 
                locked = true;
            }
            
            //if there is only a single slide remove nav, timer and bullets
            if(slides.length == 1) {
            	options.directionalnav = false;
            	options.timer = false;
            	options.bullets = false;
            }
            
            //set initial front photo z-index and fades it in
            slides.eq(activeslide)
            	.css({"z-index" : 3})
            	.fadein(function() {
            		//brings in all other slides if css declares a display: none
            		slides.css({"display":"block"})
            	});
            
// ==============
// ! timer   
// ==============

            //timer execution
            function startclock() {
            	if(!options.timer  || options.timer == 'false') { 
            		return false;
            	//if timer is hidden, don't need to do crazy calculations
            	} else if(timer.is(':hidden')) {
		            clock = setinterval(function(e){
						shift("next");  
		            }, options.advancespeed);            		
		        //if timer is visible and working, let's do some math
            	} else {
		            timerrunning = true;
		            pause.removeclass('active')
		            clock = setinterval(function(e){
		                var degreecss = "rotate("+degrees+"deg)"
		                degrees += 2
		                rotator.css({ 
		                    "-webkit-transform": degreecss,
		                    "-moz-transform": degreecss,
		                    "-o-transform": degreecss
		                });
		                if(degrees > 180) {
		                    rotator.addclass('move');
		                    mask.addclass('move');
		                }
		                if(degrees > 360) {
		                    rotator.removeclass('move');
		                    mask.removeclass('move');
		                    degrees = 0;
		                    shift("next");
		                }
		            }, options.advancespeed/180);
				}
	        }
	        function stopclock() {
	        	if(!options.timer || options.timer == 'false') { return false; } else {
		            timerrunning = false;
		            clearinterval(clock);
		            pause.addclass('active');
				}
	        }  
            
            //timer setup
            if(options.timer) {         	
                var timerhtml = '<div class="timer"><span class="mask"><span class="rotator"></span></span><span class="pause"></span></div>'
                orbitwrapper.append(timerhtml);
                var timer = orbitwrapper.children('div.timer'),
                	timerrunning;
                if(timer.length != 0) {
                    var rotator = $('div.timer span.rotator'),
                    	mask = $('div.timer span.mask'),
                    	pause = $('div.timer span.pause'),
                    	degrees = 0,
                    	clock; 
                    startclock();
                    timer.click(function() {
                        if(!timerrunning) {
                            startclock();
                        } else { 
                            stopclock();
                        }
                    });
                    if(options.startclockonmouseout){
                        var outtimer;
                        orbitwrapper.mouseleave(function() {
                            outtimer = settimeout(function() {
                                if(!timerrunning){
                                    startclock();
                                }
                            }, options.startclockonmouseoutafter)
                        })
                        orbitwrapper.mouseenter(function() {
                            cleartimeout(outtimer);
                        })
                    }
                }
            }  
	        
	        //pause timer on hover
	        if(options.pauseonhover) {
		        orbitwrapper.mouseenter(function() {
		        	stopclock(); 
		        });
		   	}
            
// ==============
// ! captions   
// ==============
                     
            //caption setup
            if(options.captions) {
                var captionhtml = '<div class="orbit-caption"></div>';
                orbitwrapper.append(captionhtml);
                var caption = orbitwrapper.children('.orbit-caption');
            	setcaption();
            }
			
			//caption execution
            function setcaption() {
            	if(!options.captions || options.captions =="false") {
            		return false; 
            	} else {
	            	var _captionlocation = slides.eq(activeslide).data('caption'); //get id from rel tag on image
	            		_captionhtml = $(_captionlocation).html(); //get html from the matching html entity            		
	            	//set html for the caption if it exists
	            	if(_captionhtml) {
	            		caption
		            		.attr('id',_captionlocation) // add id caption
		                	.html(_captionhtml); // change html in caption 
		                //animations for caption entrances
		             	if(options.captionanimation == 'none') {
		             		caption.show();
		             	}
		             	if(options.captionanimation == 'fade') {
		             		caption.fadein(options.captionanimationspeed);
		             	}
		             	if(options.captionanimation == 'slideopen') {
		             		caption.slidedown(options.captionanimationspeed);
		             	}
	            	} else {
	            		//animations for caption exits
	            		if(options.captionanimation == 'none') {
		             		caption.hide();
		             	}
		             	if(options.captionanimation == 'fade') {
		             		caption.fadeout(options.captionanimationspeed);
		             	}
		             	if(options.captionanimation == 'slideopen') {
		             		caption.slideup(options.captionanimationspeed);
		             	}
	            	}
				}
            }
            
// ==================
// ! directional nav   
// ==================

            //directionalnav { rightbutton --> shift("next"), leftbutton --> shift("prev");
            if(options.directionalnav) {
            	if(options.directionalnav == "false") { return false; }
                var directionalnavhtml = '<div class="slider-nav"><span class="right">right</span><span class="left">left</span></div>';
                orbitwrapper.append(directionalnavhtml);
                var leftbtn = orbitwrapper.children('div.slider-nav').children('span.left'),
                	rightbtn = orbitwrapper.children('div.slider-nav').children('span.right');
                leftbtn.click(function() { 
                    stopclock();
                    shift("prev");
                });
                rightbtn.click(function() {
                    stopclock();
                    shift("next")
                });
            }
            
// ==================
// ! bullet nav   
// ==================
            
            //bullet nav setup
            if(options.bullets) { 
            	var bullethtml = '<ul class="orbit-bullets"></ul>';            	
            	orbitwrapper.append(bullethtml);
            	var bullets = orbitwrapper.children('ul.orbit-bullets');
            	for(i=0; i<numberslides; i++) {
            		var limarkup = $('<li>'+(i+1)+'</li>');
            		if(options.bulletthumbs) {
            			var	thumbname = slides.eq(i).data('thumb');
            			if(thumbname) {
            				var limarkup = $('<li class="has-thumb">'+i+'</li>')
            				limarkup.css({"background" : "url("+options.bulletthumblocation+thumbname+") no-repeat"});
            			}
            		} 
            		orbitwrapper.children('ul.orbit-bullets').append(limarkup);
            		limarkup.data('index',i);
            		limarkup.click(function() {
            			stopclock();
            			shift($(this).data('index'));
            		});
            	}
            	setactivebullet();
            }
            
            //bullet nav execution
        	function setactivebullet() { 
        		if(!options.bullets) { return false; } else {
	        		bullets.children('li').removeclass('active').eq(activeslide).addclass('active');
	        	}
        	}
        	
// ====================
// ! shift animations   
// ====================
            
            //animating the shift!
            function shift(direction) {
        	    //remember previous activeslide
                var prevactiveslide = activeslide,
                	slidedirection = direction;
                //exit function if bullet clicked is same as the current image
                if(prevactiveslide == slidedirection) { return false; }
                //reset z & unlock
                function resetandunlock() {
                    slides
                    	.eq(prevactiveslide)
                    	.css({"z-index" : 1});
                    unlock();
                    options.afterslidechange.call(this);
                }
                if(slides.length == "1") { return false; }
                if(!locked) {
                    lock();
					 //deduce the proper activeimage
                    if(direction == "next") {
                        activeslide++
                        if(activeslide == numberslides) {
                            activeslide = 0;
                        }
                    } else if(direction == "prev") {
                        activeslide--
                        if(activeslide < 0) {
                            activeslide = numberslides-1;
                        }
                    } else {
                        activeslide = direction;
                        if (prevactiveslide < activeslide) { 
                            slidedirection = "next";
                        } else if (prevactiveslide > activeslide) { 
                            slidedirection = "prev"
                        }
                    }
                    //set to correct bullet
                     setactivebullet();  
                     
                    //set previous slide z-index to one below what new activeslide will be
                    slides
                    	.eq(prevactiveslide)
                    	.css({"z-index" : 2});    
                    
                    //fade
                    if(options.animation == "fade") {
                        slides
                        	.eq(activeslide)
                        	.css({"opacity" : 0, "z-index" : 3})
                        	.animate({"opacity" : 1}, options.animationspeed, resetandunlock);
                    }
                    //horizontal-slide
                    if(options.animation == "horizontal-slide") {
                        if(slidedirection == "next") {
                            slides
                            	.eq(activeslide)
                            	.css({"left": orbitwidth, "z-index" : 3})
                            	.animate({"left" : 0}, options.animationspeed, resetandunlock);
                        }
                        if(slidedirection == "prev") {
                            slides
                            	.eq(activeslide)
                            	.css({"left": -orbitwidth, "z-index" : 3})
                            	.animate({"left" : 0}, options.animationspeed, resetandunlock);
                        }
                    }
                    //vertical-slide
                    if(options.animation == "vertical-slide") { 
                        if(slidedirection == "prev") {
                            slides
                            	.eq(activeslide)
                            	.css({"top": orbitheight, "z-index" : 3})
                            	.animate({"top" : 0}, options.animationspeed, resetandunlock);
                        }
                        if(slidedirection == "next") {
                            slides
                            	.eq(activeslide)
                            	.css({"top": -orbitheight, "z-index" : 3})
                            	.animate({"top" : 0}, options.animationspeed, resetandunlock);
                        }
                    }
                    //push-over
                    if(options.animation == "horizontal-push") {
                        if(slidedirection == "next") {
                            slides
                            	.eq(activeslide)
                            	.css({"left": orbitwidth, "z-index" : 3})
                            	.animate({"left" : 0}, options.animationspeed, resetandunlock);
                            slides
                            	.eq(prevactiveslide)
                            	.animate({"left" : -orbitwidth}, options.animationspeed);
                        }
                        if(slidedirection == "prev") {
                            slides
                            	.eq(activeslide)
                            	.css({"left": -orbitwidth, "z-index" : 3})
                            	.animate({"left" : 0}, options.animationspeed, resetandunlock);
							slides
                            	.eq(prevactiveslide)
                            	.animate({"left" : orbitwidth}, options.animationspeed);
                        }
                    }
                    setcaption();
                } //lock
            }//orbit function
        });//each call
    }//orbit plugin call
})(jquery);

$(document).ready(function(){
/*图片幻灯片，用于普通尺寸幻灯*/
$('#featured').orbit({});
$('#featured2').orbit({animation: 'horizontal-slide',directionalnav: false});
$('#featured3').orbit({});
})



//选项卡
function qtabs(obj,cur,events){
	$("[id^='qtabs_']").each(function(){
		var trigger = $(this).children();
		var cid = $(this).attr("id").substring(6);
		var content = $("#"+cid).children();
				
		trigger.removeclass("current");
		trigger.eq(0).addclass("current"); //触发元素设置选中样式
		content.hide();
		content.eq(0).show(); //内容选中显示
		
		trigger.on("click",function(){
			trigger.removeclass("current");
			$(this).addclass("current");
			
			content.hide();
			var n=$(this).index();
			content.eq(n).show();
		});
	})
}

$(document).ready(function(){
	qtabs();
});
/*调用
应用示例
	<div id="qtabs_c1">触发元素集合</div>
	<div id="c1">内容元素集合</div>
*/