var xmlHttp  

function vote(str, voteno) {
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
   {
     alert ("Browser does not support HTTP Request")
     return
   }
   
   
  var url="_ajax_vote.php"
  
  
  var f =document.article
  var l = f.islogin.value


  if ( l==0){
  
    alert("먼저 로그인 하셔야 합니다.")

  } else {
  
    voteno = voteno+1;
    url=url+"?boardno="+str
    url=url+"&vote="+voteno
    url=url+"&sid="+Math.random()
    xmlHttp.onreadystatechange=stateChanged1 
    xmlHttp.open("GET",url,true)
    xmlHttp.send(null) 
    f.bvote.disabled = true
    
  }
  
  
  }


function ajaxsearch() {
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
   {
     alert ("Browser does not support HTTP Request")
     return
   }
   
   
  var url="_ajax_search.php"
  
  
  var f =document.search
  var searchtxt = encodeURIComponent(f.searchtxt.value)
  var searchwhere = f.searchwhere.value
  var divisionno = f.divisionno.value
  var categoryno = f.categoryno.value

  url=url+"?searchtxt="+searchtxt 
  url=url+"&searchwhere="+searchwhere
  url=url+"&divisionno="+divisionno
  url=url+"&categoryno="+categoryno
  url=url+"&sid="+Math.random()
  
  xmlHttp.onreadystatechange=stateChanged 
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null) 
  
  
  }


function submitcomment() {
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
   {
     alert ("Browser does not support HTTP Request")
     return
   }
   
   
  var url="_ajax_submitcomment.php"
  
  
  var f =document.article
  var comment= encodeURIComponent(f.comment.value)
  var boardno = f.boardno.value

  url=url+"?comment="+comment
  url=url+"&boardno="+boardno
  url=url+"&sid="+Math.random()
  
  xmlHttp.onreadystatechange=stateChanged 
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null) 
  
  
  }


function divchange(str) {
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
   {
     alert ("Browser does not support HTTP Request")
     return
   }
   
   
  var url="_ajax_divchange.php"
  
  
  var f =document.divcat
  var myindex = str
 

  url=url+"?myindex="+myindex
  url=url+"&sid="+Math.random()

  xmlHttp.onreadystatechange=stateChanged 
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null) 
  
  
  }


function deletecategory(str) {
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
   {
     alert ("Browser does not support HTTP Request")
     return
   }
   
   
  var url="_ajax_deletecategory.php"
  
  
  var f =document.setcategory
  var divisionno = f.divisionno.value
 

  url=url+"?categoryno="+str
  url=url+"&divisionno="+divisionno
  url=url+"&sid="+Math.random()

  xmlHttp.onreadystatechange=stateChanged 
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null) 
  
  
  }


function editcategory() {
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
   {
     alert ("Browser does not support HTTP Request")
     return
   }
   
   
  var url="_ajax_editcategory.php"
  
  
  var f =document.setcategory
  var category= encodeURIComponent(f.category.value)
  var divisionno = f.divisionno.value


  
  url=url+"?category="+category
  url=url+"&divisionno="+divisionno
  url=url+"&sid="+Math.random()

  xmlHttp.onreadystatechange=stateChanged 
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null) 
  
  
  }
 
 
function showcategory() {
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
   {
     alert ("Browser does not support HTTP Request")
     return
   }
   
   
  var url="_ajax_showcategory.php"
  
  /*var f= document.getElementById('filtercollege'); */
  var f =document.setdivision
  var division= encodeURIComponent(f.division.value)
 

  url=url+"?division="+division
  url=url+"&sid="+Math.random()
 
  xmlHttp.onreadystatechange=stateChanged 
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null) 
  
  
  }


function pchange(str) {
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
   {
     alert ("Browser does not support HTTP Request")
     return
   }
 


  var url="_ajax_profilechange.php"
  url=url+"?q="+str
  
  url=url+"&sid="+Math.random()
  xmlHttp.onreadystatechange=stateChanged 
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null)
  alert("프로파일을 이동합니다.\nOK를 클릭하고 이동해 주세요.")

  location.href="getcolleges.php";
  /*oldurl=top.location; 
  location.replace(oldurl);
  */
  }


 function pagerefresh() {
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
   {
     alert ("Browser does not support HTTP Request")
     return
   }
   
   
  var url="_ajax_pagerefresh.php"
  
  /*var f= document.getElementById('filtercollege'); */
  var f =document.filtercollege
  var category = encodeURIComponent(f.category.value)
  var cname = encodeURIComponent(f.cname.value)
  var state = encodeURIComponent(f.state.value)


  url=url+"?category="+category
  url=url+"&cname="+cname
  url=url+"&state="+state

  url=url+"&sid="+Math.random()

  xmlHttp.onreadystatechange=stateChanged 
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null) 
  
  
  } 
  
  
  function callcalculation(str) {
  
    var url = "calculation.php"
  
    url=url+"?sid="+Math.random()
    oldurl=top.location; 
    url=url+"&oldurl="+oldurl;
    url = url+str
  
    return location.href=url;
  
  
  }



function chkcollege(str)
{ 
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
   {
     alert ("Browser does not support HTTP Request")
     return
   }
  var url="_ajax_addcollege.php"
  url=url+"?q="+str
  url=url+"&sid="+Math.random() 
  var x=str
  var f =document.checkmychance;
  var p=f.mypoint.value
  
  /* 포인트확인후 충전 11월1일 이후 아래수식에서 0을 1000으로 바꿈*/
  if (p < 1000) {
  
    if ( confirm("포인트가 모자랍니다. \n충전하시겠습니까?")==true) {
    
      location.href="ptcharge.php"
      
    
    } else {
    
      alert("포인트가 모자랍니다. \n충전후 사용가능합니다.")
    
    }
    
    return
  
  }
  
  if ( confirm("구매하시겠습니까? \n1000포인트가 소요됩니다.\n")==true){
  xmlHttp.onreadystatechange=stateChanged 
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null)
  /*callcalculation(str)*/
  
  alert("성공적으로 구매하셨습니다. \n입학확률 리포트로 이동합니다.")
  /*oldurl=top.location; 
  location.replace(oldurl);
  */
  url = "calculation.php?q=1"
  url = url+str
  location.href=url;
  
  }
}



function showsat2subject(str)
{ 
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
   {
     alert ("Browser does not support HTTP Request")
     return
   }
  var url="_ajax_showsat2.php"
  url=url+"?q="+str
  url=url+"&sid="+Math.random()
  xmlHttp.onreadystatechange=stateChanged 
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null)
}

function showap(str)
{ 
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
   {
     alert ("Browser does not support HTTP Request")
     return
   }
  var url="_ajax_showap.php"
  url=url+"?q="+str
  url=url+"&sid="+Math.random()
  xmlHttp.onreadystatechange=stateChanged1 
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null)
}


function addsat2(str)
{ 
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
   {
     alert ("Browser does not support HTTP Request")
     return
   }




  var f =document.profile2;

  sat2 = f.sat2.value

  score= f.score.value  

  var url="_ajax_addsat2.php"

  if (f.score.value > "800"){
  
    alert("점수는 800점을 넘을수 없습니다.");
    f.score.focus();
    return false;
  
  }
  

  url=url+"?sat2="+sat2
  url=url+"&score="+score

  url=url+"&sid="+Math.random()
  xmlHttp.onreadystatechange=stateChanged 
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null)
}


function addap(str)
{ 
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
   {
     alert ("Browser does not support HTTP Request")
     return
   }




  var f =document.profile3;

  ap = f.ap.value

  apgpa = f.apgpa.value

  apscore= f.apscore.value  
  
  

  var url="_ajax_addap.php"

  if (f.apscore.value > "5"){
  
    alert("점수는 5점을 넘을수 없습니다.");
    f.apscore.focus();
    return false;
  
  }
  
  if (f.apgpa.value > "4.0"){
  
    alert("GPA는 4.0을 넘을수 없습니다.");
    f.apgpa.focus();
    return false;
  
  }
  

  url=url+"?ap="+ap
  url=url+"&apgpa="+apgpa
  url=url+"&apscore="+apscore
  

  url=url+"&sid="+Math.random()
  xmlHttp.onreadystatechange=stateChanged1 
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null)
}




function removesat2(str)
{ 
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
   {
     alert ("Browser does not support HTTP Request")
     return
   }
  var url="_ajax_removesat2.php"
  url=url+"?q="+str
  url=url+"&sid="+Math.random()
  xmlHttp.onreadystatechange=stateChanged 
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null)
}


function removeap(str)
{ 
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
   {
     alert ("Browser does not support HTTP Request")
     return
   }
  var url="_ajax_removeap.php"
  url=url+"?q="+str
  url=url+"&sid="+Math.random()
  xmlHttp.onreadystatechange=stateChanged1 
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null)
}

function checkUserid(str)
{ 
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
   {
     alert ("Browser does not support HTTP Request")
     return
   }
  var url="_ajax_checkuserid.php"
  url=url+"?q="+str
  url=url+"&sid="+Math.random()
  xmlHttp.onreadystatechange=stateChanged 
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null)
}

function checkEmail(str)
{ 
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
   {
     alert ("Browser does not support HTTP Request")
     return
   }
  var url="_ajax_checkemail.php"
  url=url+"?q="+str
  url=url+"&sid="+Math.random()
  xmlHttp.onreadystatechange=stateChanged1 
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null)
}




function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 document.getElementById("txtHint").innerHTML=xmlHttp.responseText 
 } 
}

function stateChanged1() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 document.getElementById("txtHint1").innerHTML=xmlHttp.responseText 
 } 
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
 {
 // Firefox, Opera 8.0+, Safari
 xmlHttp=new XMLHttpRequest();
 }
catch (e)
 {
 //Internet Explorer
 try
  {
  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  }
 catch (e)
  {
  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return xmlHttp;
}


function showquizsetup(str)
{ 
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
   {
     alert ("Browser does not support HTTP Request")
     return
   }
  var url="_ajax_showquizsetup.php"
  url=url+"?q="+str
  url=url+"&sid="+Math.random()
  xmlHttp.onreadystatechange=stateChanged 
  xmlHttp.open("GET",url,true)
  xmlHttp.send(null)
}


//Drop Down Tabs Menu- Author: Dynamic Drive (http://www.dynamicdrive.com)
//Created: May 16th, 07'

var tabdropdown={
	disappeardelay: 200, //set delay in miliseconds before menu disappears onmouseout
	disablemenuclick: false, //when user clicks on a menu item with a drop down menu, disable menu item's link?
	enableiframeshim: 1, //1 or 0, for true or false

	//No need to edit beyond here////////////////////////
	dropmenuobj: null, ie: document.all, firefox: document.getElementById&&!document.all, previousmenuitem:null,
	currentpageurl: window.location.href.replace("http://"+window.location.hostname, "").replace(/^\//, ""), //get current page url (minus hostname, ie: http://www.dynamicdrive.com/)

	getposOffset:function(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;
	},

	showhide:function(obj, e, obj2){ //obj refers to drop down menu, obj2 refers to tab menu item mouse is currently over
		if (this.ie || this.firefox)
			this.dropmenuobj.style.left=this.dropmenuobj.style.top="-500px"
		if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover"){
			if (obj2.parentNode.className.indexOf("default")==-1) //if tab isn't a default selected one
				obj2.parentNode.className="selected"
			obj.visibility="visible"
			}
		else if (e.type=="click")
			obj.visibility="hidden"
	},

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

	clearbrowseredge:function(obj, whichedge){
		var edgeoffset=0
		if (whichedge=="rightedge"){
			var windowedge=this.ie && !window.opera? this.standardbody.scrollLeft+this.standardbody.clientWidth-15 : window.pageXOffset+window.innerWidth-15
			this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetWidth
		if (windowedge-this.dropmenuobj.x < this.dropmenuobj.contentmeasure)  //move menu to the left?
			edgeoffset=this.dropmenuobj.contentmeasure-obj.offsetWidth
		}
		else{
			var topedge=this.ie && !window.opera? this.standardbody.scrollTop : window.pageYOffset
			var windowedge=this.ie && !window.opera? this.standardbody.scrollTop+this.standardbody.clientHeight-15 : window.pageYOffset+window.innerHeight-18
			this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetHeight
			if (windowedge-this.dropmenuobj.y < this.dropmenuobj.contentmeasure){ //move up?
				edgeoffset=this.dropmenuobj.contentmeasure+obj.offsetHeight
				if ((this.dropmenuobj.y-topedge)<this.dropmenuobj.contentmeasure) //up no good either?
					edgeoffset=this.dropmenuobj.y+obj.offsetHeight-topedge
			}
			this.dropmenuobj.firstlink.style.borderTopWidth=(edgeoffset==0)? 0 : "1px" //Add 1px top border to menu if dropping up
		}
		return edgeoffset
	},

	dropit:function(obj, e, dropmenuID){
		if (this.dropmenuobj!=null){ //hide previous menu
			this.dropmenuobj.style.visibility="hidden" //hide menu
			if (this.previousmenuitem!=null && this.previousmenuitem!=obj){
				if (this.previousmenuitem.parentNode.className.indexOf("default")==-1) //If the tab isn't a default selected one
					this.previousmenuitem.parentNode.className=""
			}
		}
		this.clearhidemenu()
		if (this.ie||this.firefox){
			obj.onmouseout=function(){tabdropdown.delayhidemenu(obj)}
			obj.onclick=function(){return !tabdropdown.disablemenuclick} //disable main menu item link onclick?
			this.dropmenuobj=document.getElementById(dropmenuID)
			this.dropmenuobj.onmouseover=function(){tabdropdown.clearhidemenu()}
			this.dropmenuobj.onmouseout=function(e){tabdropdown.dynamichide(e, obj)}
			this.dropmenuobj.onclick=function(){tabdropdown.delayhidemenu(obj)}
			this.showhide(this.dropmenuobj.style, e, obj)
			this.dropmenuobj.x=this.getposOffset(obj, "left")
			this.dropmenuobj.y=this.getposOffset(obj, "top")
			this.dropmenuobj.style.left=this.dropmenuobj.x-this.clearbrowseredge(obj, "rightedge")+"px"
			this.dropmenuobj.style.top=this.dropmenuobj.y-this.clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+1+"px"
			this.previousmenuitem=obj //remember main menu item mouse moved out from (and into current menu item)
			this.positionshim() //call iframe shim function
		}
	},

	contains_firefox:function(a, b) {
		while (b.parentNode)
		if ((b = b.parentNode) == a)
			return true;
		return false;
	},

	dynamichide:function(e, obj2){ //obj2 refers to tab menu item mouse is currently over
		var evtobj=window.event? window.event : e
		if (this.ie&&!this.dropmenuobj.contains(evtobj.toElement))
			this.delayhidemenu(obj2)
		else if (this.firefox&&e.currentTarget!= evtobj.relatedTarget&& !this.contains_firefox(evtobj.currentTarget, evtobj.relatedTarget))
			this.delayhidemenu(obj2)
	},

	delayhidemenu:function(obj2){
		this.delayhide=setTimeout(function(){tabdropdown.dropmenuobj.style.visibility='hidden'; if (obj2.parentNode.className.indexOf('default')==-1) obj2.parentNode.className=''},this.disappeardelay) //hide menu
	},

	clearhidemenu:function(){
		if (this.delayhide!="undefined")
			clearTimeout(this.delayhide)
	},

	positionshim:function(){ //display iframe shim function
		if (this.enableiframeshim && typeof this.shimobject!="undefined"){
			if (this.dropmenuobj.style.visibility=="visible"){
				this.shimobject.style.width=this.dropmenuobj.offsetWidth+"px"
				this.shimobject.style.height=this.dropmenuobj.offsetHeight+"px"
				this.shimobject.style.left=this.dropmenuobj.style.left
				this.shimobject.style.top=this.dropmenuobj.style.top
			}
		this.shimobject.style.display=(this.dropmenuobj.style.visibility=="visible")? "block" : "none"
		}
	},

	hideshim:function(){
		if (this.enableiframeshim && typeof this.shimobject!="undefined")
			this.shimobject.style.display='none'
	},

isSelected:function(menuurl){
	var menuurl=menuurl.replace("http://"+menuurl.hostname, "").replace(/^\//, "")
	return (tabdropdown.currentpageurl==menuurl)
},

	init:function(menuid, dselected){
		this.standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body //create reference to common "body" across doctypes
		var menuitems=document.getElementById(menuid).getElementsByTagName("a")
		for (var i=0; i<menuitems.length; i++){
			if (menuitems[i].getAttribute("rel")){
				var relvalue=menuitems[i].getAttribute("rel")
				document.getElementById(relvalue).firstlink=document.getElementById(relvalue).getElementsByTagName("a")[0]
				menuitems[i].onmouseover=function(e){
					var event=typeof e!="undefined"? e : window.event
					tabdropdown.dropit(this, event, this.getAttribute("rel"))
				}
			}
			if (dselected=="auto" && typeof setalready=="undefined" && this.isSelected(menuitems[i].href)){
				menuitems[i].parentNode.className+=" selected default"
				var setalready=true
			}
			else if (parseInt(dselected)==i)
				menuitems[i].parentNode.className+=" selected default"
		}
	}

}