//回到顶部开始
var scrolltotop={
	setting: {startline:1, scrollto: 0, scrollduration:1000, fadeduration:[500, 100]},
	controlhtml: '<img src="_system/gotop.gif" style="width:19px; height:63px" />',
	controlattrs: {offsetx:100, offsety:120}, 
	anchorkeyword: '#top', 

	state: {isvisible:false, shouldvisible:false},

	scrollup:function(){
		if (!this.cssfixedsupport) 
			this.$control.css({opacity:0}) 
		var dest=isnan(this.setting.scrollto)? this.setting.scrollto : parseint(this.setting.scrollto)
		if (typeof dest=="string" && jquery('#'+dest).length==1) 
			dest=jquery('#'+dest).offset().top
		else
			dest=0
		this.$body.animate({scrolltop: dest}, this.setting.scrollduration);
	},

	keepfixed:function(){
		var $window=jquery(window)
		var controlx=$window.scrollleft() + $window.width() - this.$control.width() - this.controlattrs.offsetx
		var controly=$window.scrolltop() + $window.height() - this.$control.height() - this.controlattrs.offsety
		this.$control.css({left:controlx+'px', top:controly+'px'})
	},

	togglecontrol:function(){
		var scrolltop=jquery(window).scrolltop()
		if (!this.cssfixedsupport)
			this.keepfixed()
		this.state.shouldvisible=(scrolltop>=this.setting.startline)? true : false
		if (this.state.shouldvisible && !this.state.isvisible){
			this.$control.stop().animate({opacity:1}, this.setting.fadeduration[0])
			this.state.isvisible=true
		}
		else if (this.state.shouldvisible==false && this.state.isvisible){
			this.$control.stop().animate({opacity:0}, this.setting.fadeduration[1])
			this.state.isvisible=false
		}
	},
	
	init:function(){
		jquery(document).ready(function($){
			var mainobj=scrolltotop
			var iebrws=document.all
			mainobj.cssfixedsupport=!iebrws || iebrws && document.compatmode=="css1compat" && window.xmlhttprequest 
			mainobj.$body=(window.opera)? (document.compatmode=="css1compat"? $('html') : $('body')) : $('html,body')
			mainobj.$control=$('<div id="topcontrol">'+mainobj.controlhtml+'</div>')
				.css({position:mainobj.cssfixedsupport? 'fixed' : 'absolute', bottom:mainobj.controlattrs.offsety, right:mainobj.controlattrs.offsetx, opacity:0, cursor:'pointer'})
				.attr({title:'返回顶部'})
				.click(function(){mainobj.scrollup(); return false})
				.appendto('body')
			if (document.all && !window.xmlhttprequest && mainobj.$control.text()!='') 
				mainobj.$control.css({width:mainobj.$control.width()}) 
			mainobj.togglecontrol()
			$('a[href="' + mainobj.anchorkeyword +'"]').click(function(){
				mainobj.scrollup()
				return false
			})
			$(window).bind('scroll resize', function(e){
				mainobj.togglecontrol()
			})
		})
	}
}
scrolltotop.init()
//回到顶部结束

//导航下拉开始
$(document).ready(function(){

  $('li.main_nav').mousemove(function(){
  $(this).find('ul').slidedown(0);//you can give it a speed
  });
  $('li.main_nav').mouseleave(function(){
  $(this).find('ul').slideup(0);
  });

});
//导航下拉结束

//漂浮客服开始
lastscrolly = 0;
function floatscroll() {
    var diffy;
    if (document.documentelement && document.documentelement.scrolltop){
    	diffy = document.documentelement.scrolltop;
	}
    else if (document.body){
    	diffy = document.body.scrolltop;
	}
    else
    {}
    percent = .1 * (diffy - lastscrolly);
    if (percent > 0){
		percent = math.ceil(percent);
	}
    else{
		percent = math.floor(percent);
	}
    document.getelementbyid("online_support_main").style.top = parseint(document.getelementbyid("online_support_main").style.top) + percent + "px";
    lastscrolly = lastscrolly + percent;
}

$(function(){
	$("#online_support_main").hover(
		function(){
			$(this).stop(true,false);
			$(this).animate({left:0},200);	
		},
		function(){
			$(this).animate({left:-163},200);	
		}
	)

	
})

$(function(){
	$(".ihover").hover(
		function(){
			$(this).addclass("ishow");
		},function(){
			$(this).removeclass("ishow");
		}
	);
});

//漂浮客服结束

//产品

$.fn.extend({     
   adadvance:function(){
	var listobj=this;
        var objs =$('dt',this);
	var view =objs.length-1;//parseint( math.random()*objs.length);
	objs.each(function(i){
	$(this).mouseover(function(){ $('dd',listobj).hide();$('.droplist-hover',listobj).attr("class",""); $(this).children("p").attr("class","droplist-hover");$(this).next().show()})
	if(i!=view)
	{
		$(this).next().hide();
	}
	else
	{
		$(this).next().show();
		$(this).children("p").attr("class","droplist-hover");
	}
	});
    }
});