1781
1598
1300
1295
1349
1086
1989
1918
1404
1585
1253
1501
1570
1567
1152
1019
1291
1208
1968
1830
1368
1773
1713
1062
1513
1054
1478
1281
1564
1911
1709
1649
1547
1591
1360
1831
1335
1085
1294
1164
1794
1573
1775
1321
1703
1055
1161
1411
1562
1224
1421
1651
1658
1805
1883
1759
1187
1949
1186
1301
1501
1300
1060
1372
1713
1544
1651
1891
1930
1260
1663
1488
1351
1813
1707
1426
1469
1871
1438
1151
1838
1285
1889
1797
1870
1631
1077
1384
1556
1966
1310
1470
1119
1309
1582
1708
1155
1909
1168
//Rich HTML Balloon Tooltip: http://www.dynamicdrive.com/dynamicindex5/balloontooltip.htm
//Created: September 10th, 2006
//Updated: May 9th, 10 for window edge bug
var disappeardelay=250 //tooltip disappear delay (in miliseconds)
var verticaloffset=0 //vertical offset of tooltip from anchor link, if any
var enablearrowhead=1 //0 or 1, to disable or enable the arrow image
var arrowheadimg=["http://library.phcsuphan.ac.th/js/balloontip/arrowdown.gif", "http://library.phcsuphan.ac.th/js/balloontip/arrowup.gif"] //path to down and up arrow images
var arrowheadheight=11 //height of arrow image (amount to reveal)
/////No further editting needed
var ie=document.all
var ns6=document.getElementById&&!document.all
verticaloffset=(enablearrowhead)? verticaloffset+arrowheadheight : verticaloffset
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){
dropmenuobj.style.left=dropmenuobj.style.top="-500px"
if (e.type=="mouseover")
obj.visibility="visible"
}
function iecompattest(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}
function clearbrowseredge(obj, whichedge){
if (whichedge=="rightedge"){
edgeoffsetx=0
var windowedge=ie && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
edgeoffsetx=dropmenuobj.contentmeasure-obj.offsetWidth
if (dropmenuobj.x-edgeoffsetx+dropmenuobj.contentmeasure>windowedge)
edgeoffsetx=dropmenuobj.x-windowedge+dropmenuobj.contentmeasure
return edgeoffsetx
}
else{
edgeoffsety=0
var topedge=ie && !window.opera? iecompattest().scrollTop : window.pageYOffset
var windowedge=ie && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure) //move up?
edgeoffsety=dropmenuobj.contentmeasure+obj.offsetHeight+(verticaloffset*2)
return edgeoffsety
}
}
function displayballoontip(obj, e){ //main ballooon tooltip function
if (window.event) event.cancelBubble=true
else if (e.stopPropagation) e.stopPropagation()
if (typeof dropmenuobj!="undefined") //hide previous tooltip?
dropmenuobj.style.visibility="hidden"
clearhidemenu()
//obj.onmouseout=delayhidemenu
dropmenuobj=document.getElementById(obj.getAttribute("rel"))
showhide(dropmenuobj.style, e)
dropmenuobj.x=getposOffset(obj, "left")
dropmenuobj.y=getposOffset(obj, "top")+verticaloffset
dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"
if (enablearrowhead)
displaytiparrow()
}
function displaytiparrow(){ //function to display optional arrow image associated with tooltip
tiparrow=document.getElementById("arrowhead")
tiparrow.src=(edgeoffsety!=0)? arrowheadimg[0] : arrowheadimg[1]
var ieshadowwidth=(dropmenuobj.filters && dropmenuobj.filters[0])? dropmenuobj.filters[0].Strength-1 : 0
//modify "left" value depending on whether there's no room on right edge of browser to display it, respectively
tiparrow.style.left=(edgeoffsetx!=0)? parseInt(dropmenuobj.style.left)+dropmenuobj.offsetWidth-tiparrow.offsetWidth-10+"px" : parseInt(dropmenuobj.style.left)+5+"px"
//modify "top" value depending on whether there's no room on right edge of browser to display it, respectively
tiparrow.style.top=(edgeoffsety!=0)? parseInt(dropmenuobj.style.top)+dropmenuobj.offsetHeight-tiparrow.offsetHeight-ieshadowwidth+arrowheadheight+"px" : parseInt(dropmenuobj.style.top)-arrowheadheight+"px"
tiparrow.style.visibility="visible"
}
function delayhidemenu(){
delayhide=setTimeout("dropmenuobj.style.visibility='hidden'; dropmenuobj.style.left=0; if (enablearrowhead) tiparrow.style.visibility='hidden'",disappeardelay)
}
function clearhidemenu(){
if (typeof delayhide!="undefined")
clearTimeout(delayhide)
}
function reltoelement(linkobj){ //tests if a link has "rel" defined and it's the ID of an element on page
var relvalue=linkobj.getAttribute("rel")
return (relvalue!=null && relvalue!="" && document.getElementById(relvalue)!=null && document.getElementById(relvalue).className=="balloonstyle")? true : false
}
function initalizetooltip(){
var all_links=document.getElementsByTagName("a")
if (enablearrowhead){
tiparrow=document.createElement("img")
tiparrow.setAttribute("src", arrowheadimg[0])
tiparrow.setAttribute("id", "arrowhead")
document.body.appendChild(tiparrow)
}
for (var i=0; i