// JavaScript Document

/*********************************************** 
* AnyLink Vertical Menu- © Dynamic Drive (www.dynamicdrive.com) 
* This notice MUST stay intact for legal use 
* Visit http://www.dynamicdrive.com/ for full source code 
***********************************************/  
//Contents for menu 1  
var menu1=new Array()  
menu1[0]='<a href="lecture.html#le_1">通常コース</a>'  
menu1[1]='<a href="lecture.html#le_2">志望校対策</a>'  
menu1[2]='<a href="lecture.html#le_3">オープンコース</a>'

var disappeardelay=250  //menu disappear speed onMouseout (in miliseconds)  
var horizontaloffset=2 //horizontal offset of menu from default location. (0-5 is a good value)  
/////No further editting needed  
var ie4=document.all  
var ns6=document.getElementById&&!document.all  
if (ie4||ns6)  
document.write('<div id="dropmenudiv" style="visibility:hidden;width: 160px" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')  
function getposOffset(what, offsettype){  
var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;  
var parentEl=what.offsetParent;  
while (parentEl!=null){  
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;  
parentEl=parentEl.offsetParent;  
}  
return totaloffset;  
}  
function showhide(obj, e, visible, hidden, menuwidth){  
if (ie4||ns6)  
dropmenuobj.style.left=dropmenuobj.style.top=-500  
dropmenuobj.widthobj=dropmenuobj.style  
dropmenuobj.widthobj.width=menuwidth  
if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")  
obj.visibility=visible  
else if (e.type=="click")  
obj.visibility=hidden  
}  
function iecompattest(){  
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body  
}  
function clearbrowseredge(obj, whichedge){  
var edgeoffset=0  
if (whichedge=="rightedge"){  
var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15  
dropmenuobj.contentmeasure=dropmenuobj.offsetWidth  
if (windowedge-dropmenuobj.x-obj.offsetWidth < dropmenuobj.contentmeasure)  
edgeoffset=dropmenuobj.contentmeasure+obj.offsetWidth  
}  
else{  
var topedge=ie4 && !window.opera? iecompattest().scrollTop : window.pageYOffset  
var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18  
dropmenuobj.contentmeasure=dropmenuobj.offsetHeight  
if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure){ //move menu up?  
edgeoffset=dropmenuobj.contentmeasure-obj.offsetHeight  
if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either? (position at top of viewable window then)  
edgeoffset=dropmenuobj.y  
}  
}  
return edgeoffset  
}  
function populatemenu(what){  
if (ie4||ns6)  
dropmenuobj.innerHTML=what.join("")  
}  
function dropdownmenu(obj, e, menucontents, menuwidth){  
if (window.event) event.cancelBubble=true  
else if (e.stopPropagation) e.stopPropagation()  
clearhidemenu()  
dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv  
populatemenu(menucontents)  
if (ie4||ns6){  
showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)  
dropmenuobj.x=getposOffset(obj, "left")  
dropmenuobj.y=getposOffset(obj, "top")  
dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+obj.offsetWidth+horizontaloffset+"px"  
dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+"px"  
}  
return clickreturnvalue()  
}  
function clickreturnvalue(){  
if (ie4||ns6) return false  
else return true  
}  
function contains_ns6(a, b) {  
while (b.parentNode)  
if ((b = b.parentNode) == a)  
return true;  
return false;  
}  
function dynamichide(e){  
if (ie4&&!dropmenuobj.contains(e.toElement))  
delayhidemenu()  
else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))  
delayhidemenu()  
}  
function hidemenu(e){  
if (typeof dropmenuobj!="undefined"){  
if (ie4||ns6)  
dropmenuobj.style.visibility="hidden"  
}  
}  
function delayhidemenu(){  
if (ie4||ns6)  
delayhide=setTimeout("hidemenu()",disappeardelay)  
}  
function clearhidemenu(){  
if (typeof delayhide!="undefined")  
clearTimeout(delayhide)  
}