// [ getElementsByClass ]
//---------------------------------------------
function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null ) node = document;
	if ( tag == null ) tag = '*';
	var els = node.getElementsByTagName(tag);
	var pattern = new RegExp('(^|\\s)'+searchClass+'(\\s|$)');
	for (i = 0, j = 0, elsLen=els.length; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

// [ newWindow ]
//---------------------------------------------

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


// [ externalLinks ]
//---------------------------------------------

function externalLinks() {  
	if (!document.getElementsByTagName) return;  
	var anchors = document.getElementsByTagName("a");  
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];  
		if (anchor.getAttribute("href") &&
		anchor.getAttribute("rel") == "external")  
		anchor.target = "_blank";  
	}  
}  
window.onclick=externalLinks;
 

// [ tab ]
//---------------------------------------------

window.onload=function() {
	if(!document.getElementById('tab'))return;
tab.setup = {
   tabs: document.getElementById('tab').getElementsByTagName('li'),
   pages:getElementsByClass('tabPage', document, 'div')
}
tab.init();
}

var tab = {
   init: function(){
      var tabs = this.setup.tabs;
      var pages = this.setup.pages;
  
      for(i=0; i<pages.length; i++) {
         if(i !== 0) pages[i].style.display = 'none';
         tabs[i].onclick = function(){ tab.showpage(this); return false; };
      }
   },
  
   showpage: function(obj){
      var tabs = this.setup.tabs;
      var pages = this.setup.pages;
      var num;
  
      for(num=0; num<tabs.length; num++) {
         if(tabs[num] === obj) break;
      }
  
      for(var i=0; i<pages.length; i++) {
         if(i == num) {
            pages[num].style.display = 'block';
            tabs[num].className = 'selected';
         }
         else{
            pages[i].style.display = 'none';
            tabs[i].className = null;
         }
      }
   }
}

// [ dropDown ]
//---------------------------------------------

var TimeOut         = 300;
var currentLayer    = null;
var currentitem     = null;
var currentLayerNum = 0;
var noClose         = 0;
var closeTimer      = null;

function mopen(n) {
  var l  = document.getElementById("menu"+n);
  var mm = document.getElementById("mmenu"+n);
	
  if(l) {
    mcancelclosetime();
    l.style.visibility='visible';
    if(currentLayer && (currentLayerNum != n))
      currentLayer.style.visibility='hidden';
    currentLayer = l;
    currentitem = mm;
    currentLayerNum = n;			
  } else if(currentLayer) {
    currentLayer.style.visibility='hidden';
    currentLayerNum = 0;
    currentitem = null;
    currentLayer = null;
 	}
}

function mclosetime() {
  closeTimer = window.setTimeout(mclose, TimeOut);
}

function mcancelclosetime() {
  if(closeTimer) {
    window.clearTimeout(closeTimer);
    closeTimer = null;
  }
}

function mclose() {
  if(currentLayer && noClose!=1)   {
    currentLayer.style.visibility='hidden';
    currentLayerNum = 0;
    currentLayer = null;
    currentitem = null;
  } else {
    noClose = 0;
  }
  currentLayer = null;
  currentitem = null;
}

document.onclick = mclose;


// [ side open memu ]
//---------------------------------------------

function chgTree(target) {
	trMenu = document.getElementById(target).style;
	if(trMenu.display == "none") {
		trMenu.display = "block";
	}else{
		trMenu.display = "none";
	}
}


// [ NEW mark ]
//---------------------------------------------

// passage time
var pass =480;
 
// display content
var content = 'New!!';
 
var currentDate = new Date(); 
var spans = document.getElementsByTagName('span');
for (i = 0; i < spans.length; i++) {
    if (spans[i].getAttribute('class') == 'new' ||
        spans[i].getAttribute('className') == 'new') {
        if (spans[i].childNodes[0]) {
            time = spans[i].childNodes[0].nodeValue.split(":");
            var entryDate = new Date(time[0], time[1]-1, time[2], time[3], time[4], time[5]); 
            var now = (entryDate.getTime() - currentDate.getTime())/(60*60*1000); 
            now = Math.ceil(now);
            if(-now <= pass){
                spans[i].innerHTML = content;
                spans[i].style.display = 'inline';
            }
        }
    }
}