function NEW_ARTICLE(){
		$("#new_article").show();
		$("#click_sort").hide();
		$("#wrap .sideright .tit .tab1").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg.gif) no-repeat 0 -200px","font-weight":"bold"});
		$("#wrap .sideright .tit .tab2").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg2.gif) no-repeat 0 -200px","font-weight":"normal"});
	}
	function CLICK_SORT(){
		$("#new_article").hide();
		$("#click_sort").show();
		$("#wrap .sideright .tit .tab2").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg.gif) no-repeat 0 -200px","font-weight":"bold"});
		$("#wrap .sideright .tit .tab1").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg2.gif) no-repeat 0 -200px","font-weight":"normal"});
	}
	function BLOG(){
		$("#blog").show();
		$("#technic").hide();
		$("#bbs").hide();
		$("#wrap .sidecenter .bbs .tab1").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/Netw_tab1.gif)","font-weight":"bold","text-align":"center","padding-top":"9px"});
		$("#wrap .sidecenter .bbs .tab2").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/Netw_tab2.gif)","font-weight":"normal","text-align":"center","padding-top":"9px"});
		$("#wrap .sidecenter .bbs .tab3").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/Netw_tab2.gif)","font-weight":"normal","text-align":"center","padding-top":"9px"});
	}
	function TECHNIC(){
		$("#blog").hide();
		$("#technic").show();
		$("#bbs").hide();
		$("#wrap .sidecenter .bbs .tab2").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/Netw_tab1.gif)","font-weight":"bold","text-align":"center","padding-top":"9px"});
		$("#wrap .sidecenter .bbs .tab1").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/Netw_tab2.gif)","font-weight":"normal","text-align":"center","padding-top":"9px"});
		$("#wrap .sidecenter .bbs .tab3").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/Netw_tab2.gif)","font-weight":"normal","text-align":"center","padding-top":"9px"});
	}
	function BBS(){
		$("#blog").hide();
		$("#technic").hide();
		$("#bbs").show();
		$("#wrap .sidecenter .bbs .tab3").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/Netw_tab1.gif)","font-weight":"bold","text-align":"center","padding-top":"9px"});
		$("#wrap .sidecenter .bbs .tab1").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/Netw_tab2.gif)","font-weight":"normal","text-align":"center","padding-top":"9px"});
		$("#wrap .sidecenter .bbs .tab2").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/Netw_tab2.gif)","font-weight":"normal","text-align":"center","padding-top":"9px"});
	}
	function WIRING(){
		$("#wiring").show();
		$("#cutover").hide();
		$("#wrap1 .sidecenter .tit .tab1").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg.gif) no-repeat -679px -92px","font-weight":"bold"});
		$("#wrap1 .sidecenter .tit .tab2").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg.gif) no-repeat -759px -92px","font-weight":"normal"});
	}
	function CUTOVER(){
		$("#wiring").hide();
		$("#cutover").show();
		$("#wrap1 .sidecenter .tit .tab2").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg.gif) no-repeat -679px -92px","font-weight":"bold"});
		$("#wrap1 .sidecenter .tit .tab1").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg.gif) no-repeat -759px -92px","font-weight":"normal"});
	}
	function NET(){
		$("#net").show();
		$("#communicate").hide();
		$("#wrap1 .sidecenter .titl .tab1").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg.gif) no-repeat -679px -92px","font-weight":"bold"});
		$("#wrap1 .sidecenter .titl .tab2").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg.gif) no-repeat -759px -92px","font-weight":"normal"});
	}
	function COMMUNICATE(){
		$("#net").hide();
		$("#communicate").show();
		$("#wrap1 .sidecenter .titl .tab2").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg.gif) no-repeat -679px -92px","font-weight":"bold"});
		$("#wrap1 .sidecenter .titl .tab1").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg.gif) no-repeat -759px -92px","font-weight":"normal"});
	}
	function EQUIPMENT(){
		$("#equipment").show();
		$("#project").hide();
		$("#wrap1 .sidecenter .tity .tab1").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg.gif) no-repeat -679px -92px","font-weight":"bold"});
		$("#wrap1 .sidecenter .tity .tab2").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg.gif) no-repeat -759px -92px","font-weight":"normal"});
	}
	function PROJECT(){
		$("#equipment").hide();
		$("#project").show();
		$("#wrap1 .sidecenter .tity .tab2").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg.gif) no-repeat -679px -92px","font-weight":"bold"});
		$("#wrap1 .sidecenter .tity .tab1").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg.gif) no-repeat -759px -92px","font-weight":"normal"});
	}
	function AGREEMENT(){
		$("#agreement").show();
		$("#dynamic").hide();
		$("#wrap1 .sideright .tit2 .tab1").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg.gif) no-repeat 0 -594px","padding-top":"8px","font-weight":"bold"});
		$("#wrap1 .sideright .tit2 .tab2").css({"background":"url() no-repeat 0 -594px","padding-top":"8px","font-weight":"normal"});
	}
	function DYNAMIC(){
		$("#agreement").hide();
		$("#dynamic").show();
		$("#wrap1 .sideright .tit2 .tab2").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg.gif) no-repeat 0 -594px","padding-top":"8px","font-weight":"bold"});
		$("#wrap1 .sideright .tit2 .tab1").css({"background":"url() no-repeat 0 -594px","padding-top":"8px","font-weight":"normal"});
	}
	function READBOOK(){
		$("#readbook").show();
		$("#download").hide();
		$("#wrap1 .sideright .tit3 .tab3").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg.gif) no-repeat 0 -657px","font-weight":"bold"});
		$("#wrap1 .sideright .tit3 .tab4").css({"background":"url() no-repeat 0 -657px","font-weight":"normal"});
	}
	function DOWNLOAD(){
		$("#readbook").hide();
		$("#download").show();
		$("#wrap1 .sideright .tit3 .tab4").css({"background":"url(http://images.51cto.com/images/zuwangjianwang/images/NETW_bg.gif) no-repeat 0 -657px","font-weight":"bold"});
		$("#wrap1 .sideright .tit3 .tab3").css({"background":"url() no-repeat 0 -657px","font-weight":"normal"});
	}
	function NEWS(){
		var x = $("#menu");
		var offset = x.offset();
		$("#news").css({display:"", left:offset.left-147+"px", top:offset.top-70+"px"});
		$("#route").css({"display":"none"});
		$("#commute").css({"display":"none"});
		$("#wireless").css({"display":"none"});
		$("#operation").css({"display":"none"});
		$("#cutover_xiala").css({"display":"none"});
		$("#wiring_xiala").css({"display":"none"});
		$("#facility").css({"display":"none"});
		$("#optimize").css({"display":"none"});
		$("#precept").css({"display":"none"});
	}
	function ROUTE(){
		var x = $("#menu");
		var offset = x.offset();
		$("#route").css({display:"", left:offset.left-100+"px", top:offset.top-70+"px"});
		$("#news").css({"display":"none"});
		$("#commute").css({"display":"none"});
		$("#wireless").css({"display":"none"});
		$("#operation").css({"display":"none"});
		$("#cutover_xiala").css({"display":"none"});
		$("#wiring_xiala").css({"display":"none"});
		$("#facility").css({"display":"none"});
		$("#optimize").css({"display":"none"});
		$("#precept").css({"display":"none"});
	}
	function COMMUTE(){
		var x = $("#menu");
		var offset = x.offset();
		$("#commute").css({display:"", left:offset.left-53+"px", top:offset.top-70+"px"});
		$("#route").css({"display":"none"});
		$("#news").css({"display":"none"});
		$("#wireless").css({"display":"none"});
		$("#operation").css({"display":"none"});
		$("#cutover_xiala").css({"display":"none"});
		$("#wiring_xiala").css({"display":"none"});
		$("#facility").css({"display":"none"});
		$("#optimize").css({"display":"none"});
		$("#precept").css({"display":"none"});
	}
	function WIRELESS(){
		var x = $("#menu");
		var offset = x.offset();
		$("#wireless").css({display:"", left:offset.left-6+"px", top:offset.top-70+"px"});
		$("#route").css({"display":"none"});
		$("#commute").css({"display":"none"});
		$("#news").css({"display":"none"});
		$("#operation").css({"display":"none"});
		$("#cutover_xiala").css({"display":"none"});
		$("#wiring_xiala").css({"display":"none"});
		$("#facility").css({"display":"none"});
		$("#optimize").css({"display":"none"});
		$("#precept").css({"display":"none"});
	}
	function OPERATION(){
		var x = $("#menu");
		var offset = x.offset();
		$("#operation").css({display:"", left:offset.left+88+"px", top:offset.top-70+"px"});
		$("#route").css({"display":"none"});
		$("#commute").css({"display":"none"});
		$("#wireless").css({"display":"none"});
		$("#news").css({"display":"none"});
		$("#cutover_xiala").css({"display":"none"});
		$("#wiring_xiala").css({"display":"none"});
		$("#facility").css({"display":"none"});
		$("#optimize").css({"display":"none"});
		$("#precept").css({"display":"none"});
	}
	function CUTOVER_XIALA(){
		var x = $("#menu");
		var offset = x.offset();
		$("#cutover_xiala").css({display:"", left:offset.left+135+"px", top:offset.top-70+"px"});
		$("#route").css({"display":"none"});
		$("#commute").css({"display":"none"});
		$("#wireless").css({"display":"none"});
		$("#operation").css({"display":"none"});
		$("#news").css({"display":"none"});
		$("#wiring_xiala").css({"display":"none"});
		$("#facility").css({"display":"none"});
		$("#optimize").css({"display":"none"});
		$("#precept").css({"display":"none"});
	}
	function WIRING_XIALA(){
		var x = $("#menu");
		var offset = x.offset();
		$("#wiring_xiala").css({display:"", left:offset.left+182+"px", top:offset.top-70+"px"});
		$("#route").css({"display":"none"});
		$("#commute").css({"display":"none"});
		$("#wireless").css({"display":"none"});
		$("#operation").css({"display":"none"});
		$("#cutover_xiala").css({"display":"none"});
		$("#news").css({"display":"none"});
		$("#facility").css({"display":"none"});
		$("#optimize").css({"display":"none"});
		$("#precept").css({"display":"none"});
	}
	function FACILITY(){
		var x = $("#menu");
		var offset = x.offset();
		$("#facility").css({display:"", left:offset.left+275+"px", top:offset.top-70+"px"});
		$("#route").css({"display":"none"});
		$("#commute").css({"display":"none"});
		$("#wireless").css({"display":"none"});
		$("#operation").css({"display":"none"});
		$("#cutover_xiala").css({"display":"none"});
		$("#wiring_xiala").css({"display":"none"});
		$("#news").css({"display":"none"});
		$("#optimize").css({"display":"none"});
		$("#precept").css({"display":"none"});
	}
	function OPTIMIZE(){
		var x = $("#menu");
		var offset = x.offset();
		$("#optimize").css({display:"", left:offset.left+322+"px", top:offset.top-70+"px"});
		$("#route").css({"display":"none"});
		$("#commute").css({"display":"none"});
		$("#wireless").css({"display":"none"});
		$("#operation").css({"display":"none"});
		$("#cutover_xiala").css({"display":"none"});
		$("#wiring_xiala").css({"display":"none"});
		$("#facility").css({"display":"none"});
		$("#news").css({"display":"none"});
		$("#precept").css({"display":"none"});
	}
	function PRECEPT(){
		var x = $("#menu");
		var offset = x.offset();
		$("#precept").css({display:"", left:offset.left+369+"px", top:offset.top-70+"px"});
		$("#route").css({"display":"none"});
		$("#commute").css({"display":"none"});
		$("#wireless").css({"display":"none"});
		$("#operation").css({"display":"none"});
		$("#cutover_xiala").css({"display":"none"});
		$("#wiring_xiala").css({"display":"none"});
		$("#facility").css({"display":"none"});
		$("#optimize").css({"display":"none"});
		$("#news").css({"display":"none"});
	}
	function MENU(){
		$("#news").css({"display":"none"});
		$("#route").css({"display":"none"});
		$("#commute").css({"display":"none"});
		$("#wireless").css({"display":"none"});
		$("#operation").css({"display":"none"});
		$("#cutover_xiala").css({"display":"none"});
		$("#wiring_xiala").css({"display":"none"});
		$("#facility").css({"display":"none"});
		$("#optimize").css({"display":"none"});
		$("#precept").css({"display":"none"});
	}