function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function setPng24(obj) { 
  obj.width=obj.height=1; 
  obj.className=obj.className.replace(/\bpng24\b/i,''); 
  obj.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+ obj.src +"',sizingMethod='image');" 
  obj.src='';  
  return ''; 
} 

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}



function isAccess(e) {
	
	var keynum;
	var ismouseClick = 1;
	
	if (window.event) {		//IE & Safari
		keynum = e.keyCode;
		
		//SafariÀÇ °æ¿ì ¸¶¿ì½ºÅ¬¸¯Àº keynum 0 ÀÌ ³Ñ¾î¿È
		if (event.button == 0 || keynum == 0){
			ismouseClick = 0;
		}		
		
	} else if ( e.which ){		// Netscape/Firefox/Opera
		keynum = e.which;
		
		if (keynum == 1) {
			ismouseClick = 0;
		}		
		
	}
	
	//¸¶¿ì½º Ŭ¸¯À̰ųª ¿£ÅÍÅ°¸¦ ´©¸¥°æ¿ì true°ª ¹Ýȯ
	if ( ismouseClick == 0 || keynum == 13 ) {
		return true;
	} else {
		return false;
	}
}

//·Î±×ÀÎ1,2 / ¿¬±¸¿ø°øÁö»çÇ×,¿¬±¸¿ø°³¹ßÀÚ·á / À¯Ä¡¿ø,ÃʵîÇб³,ÁßÇб³,°íµîÇб³

function jsTabChange(key, e) {
	var tabtitle1 = document.getElementById("login1Title");
	var tabtitle2 = document.getElementById("login2Title");
	var tablist1 = document.getElementById("login1List");
	var tablist2 = document.getElementById("login2List");
	var tabtitle3 = document.getElementById("noticeTitle");
	var tabtitle4 = document.getElementById("dataTitle");
	var tablist3 = document.getElementById("noticeList");
	var tablist4 = document.getElementById("dataList");	
	var tabtitle5 = document.getElementById("schoolTitle1");
	var tabtitle6 = document.getElementById("schoolTitle2");
	var tabtitle7 = document.getElementById("schoolTitle3");
	var tabtitle8 = document.getElementById("schoolTitle4");
	var tablist5 = document.getElementById("schoolList1");
	var tablist6 = document.getElementById("schoolList2");	
	var tablist7 = document.getElementById("schoolList3");
	var tablist8 = document.getElementById("schoolList4");
	var tabtitle9 = document.getElementById("sublogin1Title");
	var tabtitle10 = document.getElementById("sublogin2Title");
	var tablist9 = document.getElementById("sublogin1List");
	var tablist10 = document.getElementById("sublogin2List");
	
	if ( isAccess(e) ) {
		if (key == 1) { //login1
			tabtitle1.src = "images/main/login_tab01_on.gif";
			tabtitle2.src = "images/main/login_tab02.gif";
			tablist1.style.display = "block";
			tablist2.style.display = "none";
			return;
		}
		else if(key== 2) //login2
		{				
			tabtitle1.src = "images/main/login_tab01.gif";				
			tabtitle2.src = "images/main/login_tab02_on.gif";
			tablist1.style.display = "none";
			tablist2.style.display = "block";
			return;
		}
		else if (key == 3) { //notice
			tabtitle3.src = "images/main/news_tab01_on.gif";
			tabtitle4.src = "images/main/news_tab02.gif";
			tablist3.style.display = "block";
			tablist4.style.display = "none";
			return;
		}
		else if(key== 4) //data
		{				
			tabtitle3.src = "images/main/news_tab01.gif";				
			tabtitle4.src = "images/main/news_tab02_on.gif";
			tablist3.style.display = "none";
			tablist4.style.display = "block";
			return;
		}
		else if(key== 5) //À¯Ä¡¿ø
		{				
			tabtitle5.src = "images/main/school_tab01_on.gif";				
			tabtitle6.src = "images/main/school_tab02.gif";
			tabtitle7.src = "images/main/school_tab03.gif";				
			tabtitle8.src = "images/main/school_tab04.gif";
			tablist5.style.display = "block";
			tablist6.style.display = "none";
			tablist7.style.display = "none";
			tablist8.style.display = "none";
			return;
		}
		else if(key== 6) //ÃʵîÇб³
		{				
			tabtitle5.src = "images/main/school_tab01.gif";				
			tabtitle6.src = "images/main/school_tab02_on.gif";
			tabtitle7.src = "images/main/school_tab03.gif";				
			tabtitle8.src = "images/main/school_tab04.gif";
			tablist5.style.display = "none";
			tablist6.style.display = "block";
			tablist7.style.display = "none";
			tablist8.style.display = "none";
			return;
		}
		else if(key== 7) //ÁßÇб³
		{				
			tabtitle5.src = "images/main/school_tab01.gif";				
			tabtitle6.src = "images/main/school_tab02.gif";
			tabtitle7.src = "images/main/school_tab03_on.gif";				
			tabtitle8.src = "images/main/school_tab04.gif";
			tablist5.style.display = "none";
			tablist6.style.display = "none";
			tablist7.style.display = "block";
			tablist8.style.display = "none";
			return;
		}
		else if(key== 8) //°íµîÇб³
		{				
			tabtitle5.src = "images/main/school_tab01.gif";				
			tabtitle6.src = "images/main/school_tab02.gif";
			tabtitle7.src = "images/main/school_tab03.gif";				
			tabtitle8.src = "images/main/school_tab04_on.gif";
			tablist5.style.display = "none";
			tablist6.style.display = "none";
			tablist7.style.display = "none";
			tablist8.style.display = "block";
			return;
		}
		else if (key == 9) { //sublogin1
			tabtitle9.src = "../images/common/login_tab01_on.gif";
			tabtitle10.src = "../images/common/login_tab02.gif";
			tablist9.style.display = "block";
			tablist10.style.display = "none";
			return;
		}
		else if(key== 10) //sublogin2
		{				
			tabtitle9.src = "../images/common/login_tab01.gif";				
			tabtitle10.src = "../images/common/login_tab02_on.gif";
			tablist9.style.display = "none";
			tablist10.style.display = "block";
			return;
		}
	}
}