( function ( w , d ) {
	var e = function () {
		this.header = function () {
			var logo = oclass.get( 'logo' )[ 0 ] ,
				sections = d.getelementsbytagname( 'section' ) ,
				header = d.getelementbyid( 'header' ),
				headerbg = d.getelementbyid( 'headerbg' ) ,
				aside = d.getelementbyid( 'header' ).getelementsbytagname( 'aside' )[ 0 ] ,
				headnav = d.getelementbyid ( 'headnav' ) ,
				headnavul = headnav.getelementsbytagname( 'ul' )[ 0 ] ,
				headnavn = headnavul.getelementsbytagname( 'nav' ) ,
				headnavas = headnav.getelementsbytagname( 'a' ) ,
				headerbtn = d.getelementbyid ( 'headerbtn' ) ,
				opennav = d.getelementbyid ( 'opennav' ) ,
				opennavi = opennav.getelementsbytagname( 'i' )[ 0 ] ,
				opennavn = opennav.getelementsbytagname( 'nav' )[ 0 ] ,
				opennavdiv = opennav.getelementsbytagname( 'div' )[ 0 ].getelementsbytagname( 'div' )[ 0 ] ;
			var headnava = [] , headnavna = [];
			var section = [];
			for (var i = 0; i < sections.length; i++) if ( sections[i].id != 'header' ) section.push( sections[i] );
			for (var i = 0; i < headnavas.length; i++) {
				if ( headnavas[ i ].parentnode.tagname == 'li' ) {
					headnava.push( headnavas[ i ] );
				};
				if ( headnavas[ i ].parentnode.tagname == 'nav' ) {
					headnavas[ i ].innerhtml = '<em>' + headnavas[ i ].innerhtml + '</em>';
					headnavna.push( headnavas[ i ] );
				};
			};

			var len = headnava.length ,
				flag = 1 , wh = 1920 * 1.3 , timer , spend = 350 , slidetimer;
			
			opennavn.innerhtml = headnav.innerhtml;
			var opennavul = opennav.getelementsbytagname( 'ul' )[ 0 ] ,
				opennavli = opennavul.getelementsbytagname( 'li' );
			var opennavna = [];
			for (var i = 0; i < opennavli.length; i++) {
				var chi = opennavli[ i ].children;
				for (var j = 0; j < chi.length; j++) if ( chi[ j ].tagname == 'a' ) opennavna.push( chi[ j ] );
			};
			var timers;

			var alllink = header.getelementsbytagname( 'a' );

			events.add( w , 'scroll' , function () {
				if ( win.st() > 0 ) header.style.csstext = 'box-shadow:0 0 20px 0 rgba(0,0,0,.5);';
				else header.style.csstext = '';
			} );
			
			headnavul.onmouseenter = function () {
				timers = settimeout(function () {
					aside.style.height = headnavn[ 0 ].offsetheight + 'px';
					aside.style.bordertop = '1px solid #eee';
					header.style.background = 'rgba(255,255,255,1)';
					headerbg.style.csstext = 'opacity:1;visibility: visible;';
					cleartimeout( slidetimer );
					slidetimer = settimeout( function () {
						for (var i = 0; i < headnavn.length; i++) 
							headnavn[ i ].style.csstext = 'opacity:1;visibility: visible;';
						for (var i = 0; i < headnavna.length; i++) 
							headnavna[ i ].style.opacity = '1';
						for (var i = 0; i < section.length; i++) 
							section[i].style.filter = 'blur(5px)';
					} , 100 );
				} , 300);
			};
			headnavul.onmouseleave = function () {
				cleartimeout( slidetimer );
				cleartimeout( timers );
				for (var i = 0; i < headnavn.length; i++) 
					headnavn[ i ].style.csstext = 'opacity:0;visibility: hidden;';
				for (var i = 0; i < headnavna.length; i++) 
					headnavna[ i ].style.opacity = '0';
				slidetimer = settimeout( function () {
					aside.style.csstext = '';header.style.csstext = '';
					headerbg.style.csstext = 'opacity:0;visibility: hidden;';
					for (var i = 0; i < section.length; i++) {
						section[i].style.filter = '';
					}
				} , 0 );
			};

			function change () {
				opennavn.style.height = win.height() * .8 + 'px';
				centerx = win.width() / 2 ;centery = win.height() / 2;
			}
			change ();
			events.add( w , 'resize' , change );

			for ( var i = 0 ; i < len ; i++ ) {
				opennavna[ i ].index = i;
				if ( /act/.test( headnava[ i ].classname ) ) headnava[ i ].parentnode.classname += ' act';
				opennavna[ i ].onclick = function ( e ) {
					if ( this.index == 0 ) return;
					e = e || w.event;e.preventdefault();
				};
				opennavli[ i ].onmouseleave = function () {
					for ( var i = 0 ; i < opennavli.length ; i++ ) opennavli[ i ].classname = '';
				};
				opennavli[ i ].onclick = function () {
					this.onmouseleave();
					this.classname = 'act';
				};
			};

			for (var i = 0; i < alllink.length; i++) {
				alllink[ i ].onclick = function () {
					if ( /cust/.test( this.getattribute( 'href' ) ) || /tech/.test( this.getattribute( 'href' ) ) ) w.location.reload();
				};
			};

			events.add( w , 'load' , function () {
				for ( var i = 0 ; i < len ; i++ ) 
					if ( /act/.test( headnava[ i ].classname ) ) 
						headnava[ i ].parentnode.classname += ' act';
			} );

			var basic = {
				start : function ( e ) {
					e = e || w.event;headerbtn.classname = 'act';oclass.add( logo , 'act' );
					opennavul.scrolltop = 0;
					css( d.body , { 'overflow' : 'hidden' } );
					css( opennavi , { 'width' : wh + 'px' ,'height' : wh + 'px' ,'visibility': 'visible' } );
					css( opennav , { 'visibility': 'visible' } );
					timer = settimeout(function () {
						css( opennavn , { 'opacity' : 1 ,'visibility': 'visible' } );
						css( opennavdiv , { 'opacity' : 1 ,'visibility': 'visible' } );
					} , spend);
				} ,
				clock : function () {
					css( d.body );
					headerbtn.classname = '';oclass.remove( logo ,'act' );
					css( opennavn , { 'opacity' : 0 ,'visibility': 'hidden' } );
					css( opennavdiv , { 'opacity' : 0 ,'visibility': 'hidden' } );
					timer = settimeout(function () {
						css( opennavi );
						css( opennav , { 'visibility': 'hidden' } );
					} , spend);
				},
				clear : function () {
					cleartimeout( timer );
				}
			}
			headerbtn.onclick = function () {
				basic.clear();
				flag++ % 2 ? basic.start() : basic.clock();
			};
			if ( !d.getelementbyid( 'banner' ) ) header.classname += ' act';

		}();
		this.footer = function () {
			var footer = d.getelementbyid( 'footer' ) ,
				footerhe = footer.getelementsbytagname( 'header' )[ 0 ] ,
				footernav = d.getelementbyid( 'footernav' ).getelementsbytagname( 'a' );

			for ( var i = 0 , len = footernav.length ; i < len ; i++ ) {
				var txt = footernav[ i ].innertext;
				footernav[ i ].innerhtml = '';
				for ( var j = 0 ; j < txt.length ; j++ ) 
					footernav[ i ].innerhtml += '<span>' + txt[ j ] + '</span>';
			};

			var aside = d.getelementbyid( 'aside' ) ,
				asidei = aside.getelementsbytagname( 'i' )[ 0 ] ,
				asidea = aside.getelementsbytagname( 'a' ) ,
				len = asidea.length;
			var dir ;
			asidei.onclick = function () {
				if ( this.classname == '' ) {
					this.classname = 'act';
					for ( var i = 0 ; i < len ; i++ ) {
						if ( i == 5 || i == 6 ) dir = i - 1;
						else dir = i;
						css( asidea[ i ] , {
							'top' : -75 * (len - dir) + 'px',
							'transform' : 'scale(1)'
						} );
					};
				} else {
					this.classname = '';
					for ( var i = 0 ; i < len ; i++ ) {
						css( asidea[ i ] );
					};
				}
			};
			events.add( d , 'click' , function ( e ) {
				e = e || w.event;
				if ( e.target != asidei ) {
					asidei.classname = '';
					for ( var j = 0 ; j < len ; j++ ) {
						css( asidea[ j ] );
					};
				};
			} );
			if ( d.getelementbyid( 'banner' ) ) {
				return;
			} else {
				footer.classname += ' act';footerhe.classname += ' act';
			};
		}();
		this.backtop = function () {
			var backtop = d.getelementbyid( 'backtop' ) ,
				timer;
			function ani () {
				var st = win.st();
				if ( st <= 10 ) {
					clearinterval( timer );
					w.scrollto( 0 , 0 );
				};
				w.scrollto( 0 , st-st/35 );
			};
			backtop.onclick = function () {
				clearinterval( timer );
				timer = setinterval(ani , 1000 / 60);
			};

			if (d.addeventlistener) { 
				d.addeventlistener('dommousescroll', function () {
					clearinterval( timer );
				}, false); 
			} 
			w.onmousewheel = d.onmousewheel = function () {
				clearinterval( timer );
			};
			events.add( w , 'touchmove' , function () {
				clearinterval( timer );
			} );
		}();
	};
	e();
} ( window , document ) );