function $(el){if(!el)return null;if(el.htmlElement)return Garbage.collect(el);if([window,document].contains(el))return el;var type=$type(el);if(type=='string'){el=document.getElementById(el);type=(el)?'element':false;}
if(type!='element')return null;if(el.htmlElement)return Garbage.collect(el);if(['object','embed'].contains(el.tagName.toLowerCase()))return el;$extend(el,Element.prototype);el.htmlElement=function(){};return Garbage.collect(el);};var gksdl_delay=1000
var gksdl_current=null
var gksdl_recover=null
var gksdl_timeoutid=null
var gksdl_timetorecover=null
var gksdl_timeoutid2=0
function gksdl_initJAScriptDLMenu(){gksdl_current=gksdl_activemenu[0]
mainlis=document.getElementById("gksdl-mainnav").getElementsByTagName("li")
for(i=0;i<mainlis.length;++i){x=mainlis[i]
gksdl_menuindex=x.id.substr(13)
x._id=parseInt(gksdl_menuindex)
x.onmouseover=gksdl_mouseOver
x.onmouseout=gksdl_mouseOut
subx=document.getElementById("gksdl-subnav"+gksdl_menuindex)
if(subx)
{if(gksdl_activemenu[0]&&gksdl_menuindex==gksdl_activemenu[0]){subx.style.display="block"
subx.className='active';}else{subx.style.display="none"}
subx._id=gksdl_menuindex
subx.onmouseover=gksdl_mouseOver
subx.onmouseout=gksdl_mouseOut}
document.getElementById("gksdl-subnav").style.display="block";}
if(gksdl_activemenu[0])
{actitem=document.getElementById("gksdl-mainnav"+gksdl_activemenu[0].toString())
if(actitem)
{if(actitem.className)actitem.className+=" active";else actitem.className="active";}
gksdl_recover=gksdl_activemenu[0]}
if(gksdl_activemenu[1]){actitem=document.getElementById("gksdl-subnavitem"+gksdl_activemenu[1].toString())
if(actitem)
{if(actitem.className)actitem.className+=" active";else actitem.className="active";}}
var subnav=document.getElementById('gksdl-subnav');if(subnav){var sublis=subnav.getElementsByTagName("li");for(i=0;i<sublis.length;++i){objs=sublis[i];var child=objs.getElementsByTagName('ul');if(child&&child.length){objs.className+=" hasChild";objs.onmouseover=function(){this.className+=" hover";}
objs.onmouseout=function(){this.timer=setTimeout(gksdl_sub_mouseOut.bind(this),100);}}}}}
function gksdl_sub_mouseOut(){this.className=this.className.replace(new RegExp("hover\\b"),"");}
function gksdl_mouseOver(){gksdl_hide()
gksdl_current=this._id
gksdl_show()
gksdl_clearTimeOut(gksdl_timeoutid)}
function gksdl_mouseOut(){if(this._id!=gksdl_current)return
gksdl_timeoutid=setTimeout('gksdl_restore()',gksdl_delay)}
function gksdl_restore(){gksdl_clearTimeOut(gksdl_timeoutid)
gksdl_hide()
if(gksdl_recover)
{gksdl_current=gksdl_recover
gksdl_show()}}
function gksdl_setHover(){if(gksdl_current==gksdl_recover)return
mainx=document.getElementById("gksdl-mainnav"+gksdl_current.toString())
if(mainx)
mainx.className+=' hover';}
function gksdl_clearHover(){if(gksdl_current==gksdl_recover)return
mainx=document.getElementById("gksdl-mainnav"+gksdl_current.toString())
if(mainx)
mainx.className=mainx.className.replace(/[ ]?hover/,'');}
function gksdl_hide(){subx=document.getElementById("gksdl-subnav"+gksdl_current.toString())
if(subx)
subx.style.display="none"
gksdl_clearHover()}
function gksdl_show(){subx=document.getElementById("gksdl-subnav"+gksdl_current.toString())
if(subx)
subx.style.display="block"
gksdl_setHover()}
function gksdl_clearTimeOut(timeoutid){clearTimeout(timeoutid)
timeoutid=0}
gkAddEvent(window,'load',gksdl_initJAScriptDLMenu)