var menuwidth="165px" //default menu width
var disappeardelay="250"  //menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick="yes" //hide menu when user clicks within menu?

// About
var mnu2 = new Array()
mnu2[0]='<a href="../../home/about/history_university.php" class="txtLinkW">ข้อมูลทั่วไป ม. ศรีปทุม</a>';
mnu2[1]='<a href="../../home/about/history.php" class="txtLinkW">ประวัติคณะและสาขา</a>';
mnu2[2]='<a href="../../home/about/management.php" class="txtLinkW">ผู้บริหารคณะ</a>';
mnu2[3]='<a href="../../home/about/teacher.php" class="txtLinkW">คณาจารย์ประจำภาควิชา</a>';
mnu2[4]='<a href="#" class="txtLinkW">ผลงานคณะสารสนเทศศาสตร์</a>';
mnu2[5]='<a href="../../home/about/networkgames.php" class="txtLinkW">Network Games</a>';
mnu2[6]='<a href="../../home/about/gallery.php" class="txtLinkW">ประมวลภาพกิจกรรม</a>';

// Article
var mnu4 = new Array()
mnu4[0]='<a href="#" class="txtLinkW">บทเรียนจากชาวเรา</a>';
mnu4[1]='<a href="#" class="txtLinkW">เว็บไซต์รายวิชาต่างๆ</a>';
mnu4[2]='<a href="../../home/book/index.php" class="txtLinkW">แนะนำหนังสือ</a>';
mnu4[3]='<a href="#" class="txtLinkW">Tip/บทความคอมพิวเตอร์</a>';

// Download
var mnu5 = new Array()
mnu5[0]='<a href="#" class="txtLinkW">โปรแกรมจากชาวเรา</a>';
mnu5[1]='<a href="#" class="txtLinkW">โปรแกรมที่น่าสนใจ</a>';
mnu5[2]='<a href="#" class="txtLinkW">โปรแกรมเกี่ยวกับวิชาเรียน</a>';

// Community
var mnu6 = new Array()
mnu6[0]='<a href="#" class="txtLinkW">COMSPU Paint Board</a>';
mnu6[1]='<a href="../../home/webboard/index.php" class="txtLinkW">เว็บบอร์ด COMSPU</a>';

/////No further editting needed
var ie4=document.all
var ns6=document.getElementById&&!document.all
var dir="../../img/menubar/";

function chgMnuOpen(mnuIndex){

	var picfile = ""

	if(mnuIndex == "mnu1"){			picfile = "1";	} 
	else if(mnuIndex == "mnu2"){	picfile = "2";	} 
	else if(mnuIndex == "mnu3"){	picfile = "3";	} 
	else if(mnuIndex == "mnu4"){ 	picfile = "4";	} 
	else if(mnuIndex == "mnu5"){ 	picfile = "5";	} 
	else if(mnuIndex == "mnu6"){ 	picfile = "6";	}
	else if(mnuIndex == "mnu7"){	picfile = "7";	} 
	else if(mnuIndex == "mnu8"){	picfile = "8";	} 

	if(mnuIndex!=""){
		document.getElementById(mnuIndex).src = dir + "a" + picfile + ".gif";
	}
}

function chgMnuClose(mnuIndex){
	
	var picfile = ""

	if(mnuIndex == "mnu1"){			picfile = "1";	} 
	else if(mnuIndex == "mnu2"){	picfile = "2";	} 
	else if(mnuIndex == "mnu3"){	picfile = "3";	} 
	else if(mnuIndex == "mnu4"){ 	picfile = "4";	} 
	else if(mnuIndex == "mnu5"){ 	picfile = "5";	} 
	else if(mnuIndex == "mnu6"){ 	picfile = "6";	}
	else if(mnuIndex == "mnu7"){	picfile = "7";	} 
	else if(mnuIndex == "mnu8"){	picfile = "8";	} 

	if(mnuIndex!=""){
		document.getElementById(mnuIndex).src = dir + "m" + picfile + ".gif";
	} else {
		document.getElementById('mnu1').src = dir + "m1.gif";
		document.getElementById('mnu2').src = dir + "m2.gif";
		document.getElementById('mnu3').src = dir + "m3.gif";
		document.getElementById('mnu4').src = dir + "m4.gif";
		document.getElementById('mnu5').src = dir + "m5.gif";
		document.getElementById('mnu6').src = dir + "m6.gif";
		document.getElementById('mnu7').src = dir + "m7.gif";
		document.getElementById('mnu8').src = dir + "m8.gif";
	}
}

if (ie4||ns6){
	document.write('<div id="dropmenudiv" style="visibility:hidden;width:'+menuwidth+';background:url(' + dir + 'mnutop1_mid.gif) repeat;" 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 , menucurrent){
	if (ie4||ns6)
		dropmenuobj.style.left=dropmenuobj.style.top="-500px"
	if (menuwidth!=""){
		dropmenuobj.widthobj=dropmenuobj.style
		dropmenuobj.widthobj.width=menuwidth
	}
	if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover"){
		chgMnuOpen(menucurrent);		// เปลี่ยนตรงนี้
		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 < 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 up?
			edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
			if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either?
				edgeoffset=dropmenuobj.y+obj.offsetHeight-topedge
		}
	}
	return edgeoffset
}

function populatemenu(what){
	if (ie4||ns6)
		dropmenuobj.innerHTML=what.join("")
}


function dropdownmenu(obj, e, menucontents, menuwidth , menucurrent){

	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 , menucurrent)
		dropmenuobj.x=getposOffset(obj, "left")
		dropmenuobj.y=getposOffset(obj, "top")
		dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
		dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"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){
			chgMnuClose('');
			dropmenuobj.style.visibility="hidden"
		}
	}
}

function delayhidemenu(){
	if (ie4||ns6){
		delayhide=setTimeout("hidemenu()",disappeardelay)
	}
}

function clearhidemenu(){
	if (typeof delayhide!="undefined"){
		chgMnuClose('');
		clearTimeout(delayhide)
	}
}

if (hidemenu_onclick=="yes"){
	document.onclick=hidemenu
}