/***********************************************
* Show Hint script- ? Dynamic Drive (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for this script and 100s more.
***********************************************/
		
var horizontal_offset="9px" //horizontal offset of hint box from anchor link

/////No further editting needed

var vertical_offset="0" //horizontal offset of hint box from anchor link. No need to change.
var ie=document.all
var ns6=document.getElementById&&!document.all

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 iecompattest(){
  return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function clearbrowseredge(obj, whichedge){
  var edgeoffset=(whichedge=="rightedge")? parseInt(horizontal_offset)*-1 : parseInt(vertical_offset)*-1
  if (whichedge=="rightedge") {
    var windowedge=ie && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-30 : window.pageXOffset+window.innerWidth-40
    dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
    if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure) {
      edgeoffset=dropmenuobj.contentmeasure+obj.offsetWidth+parseInt(horizontal_offset)
    }
  } else{
    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) {
      edgeoffset=dropmenuobj.contentmeasure-obj.offsetHeight 
    }
  }
  return edgeoffset
}

function showhint(menucontents, obj, e, tipwidth){
  if ((ie||ns6) && document.getElementById("hintbox")){
    dropmenuobj=document.getElementById("hintbox")
    dropmenuobj.innerHTML=menucontents
    dropmenuobj.style.left=dropmenuobj.style.top=-500
    if (tipwidth!="") {
      dropmenuobj.widthobj=dropmenuobj.style
      dropmenuobj.widthobj.width=tipwidth
    }
    dropmenuobj.x = getposOffset(obj, "left")
    dropmenuobj.y = getposOffset(obj, "top")
    dropmenuobj.style.left = dropmenuobj.x - clearbrowseredge(obj, "rightedge") + obj.offsetWidth+"px"
    dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+"px"
    dropmenuobj.style.visibility="visible"
    obj.onmouseout = hidetip
  }
}

function hidetip(e){
  dropmenuobj.style.visibility = "hidden"
  dropmenuobj.style.left="-500px"
}

function createhintbox(){
  var divblock=document.createElement("div")
  divblock.setAttribute("id", "hintbox")
  document.body.appendChild(divblock)
}

var wMarks = new Array();
var posX;
var posY;
 
function setVals(){
  if (!document.all){
    posX = window.innerWidth / 2;
    posY = window.innerHeight / 2;
  } else {
    posX = document.documentElement.clientWidth / 2;
    posY = document.documentElement.clientHeight / 2;
  }
}

function wRefresh(){
  var x;
  
  if (!document.all){
    for (x in wMarks) {
      wMarks[x].left = posX + window.pageXOffset - 100 + 'px';
      wMarks[x].top = posY + window.pageYOffset - 60 + 'px';
    }
  } else {
    for (x in wMarks) {
      wMarks[x].left = posX + document.documentElement.scrollLeft - 100 + 'px';
      wMarks[x].top = posY + document.documentElement.scrollTop - 60 + 'px';
    } 
  }
}

function markMe(){
  markID = setInterval("wRefresh()", 200);
}

function onBoydLoad() {
  setVals();
  //box = document.getElementById("busy-box");
  //wMarks[0] = box.style;
  //ajax_dialog = document.getElementById("ajax-dialog");
  //wMarks[1] = ajax_dialog.style;
  window.onresize = setVals;
  markMe();
  createhintbox();
}

if (window.addEventListener) {
  window.addEventListener("load", onBoydLoad, false)
} else if (window.attachEvent) {
  window.attachEvent("onload", onBoydLoad)
} else if (document.getElementById) {
  window.onload = onBoydLoad
}

/* for tag selection when add userbookmar */

function statbar(txt) {
   window.status = txt;
   return true;
}

function CheckMailForm() {
	if      (document.email.from_name.value == '') alert('您的大名未填寫');
	else if (document.email.title.value == '') alert('請填寫主旨');
	else if (document.email.msg.value == '') alert('請填寫內容');
	else if (document.email.msg.value.length < 15) alert('內容請超過15字');
	else     document.email.submit();
}