// Flash Embed ½ºÅ©¸³Æ® -- »ç¿ë¿¹ : <script>embed_flash("/images/flash/a.swf", 100, 50) 
function swf(src, w, h) {
	html = '';
	html += '<object type="application/x-shockwave-flash" classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0" id="param" width="'+w+'" height="'+h+'">';
	html += '<param name="movie" value="'+src+'">';
	html += '<param name="quality" value="high">';
	html += '<param name="bgcolor" value="#ffffff">';
	html += '<param name="wmode" value="transparent">';
	html += '<param name="swliveconnect" value="true">';
	html += '<embed src="'+src+'" quality=high bgcolor="#ffffff" width="'+w+'" height="'+h+'" swliveconnect="true" id="param" name="param" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer"><\/embed>';
	html += '<\/object>';
	document.write(html);
}


// ½ºÅ©·Ñ¹Ù ÃÖ»ó´ÜÀÇ À§Ä¡.
function getScrollTop() {
	if (document.documentElement.scrollTop) {
		return document.documentElement.scrollTop;
	} else if (window.pageYOffset) {
		return window.pageYOffset;
	} else if (document.body.scrollTop) {
		return document.body.scrollTop;
	} else {
		return 0;
	}
}

// window ¶ç¿ì±â
function open_win(URL, name, width, height) 
{
    msgWindow=window.open(URL,name,'location=0,toolbar=no,width='+width+',height='+height+',directories=no,status=no,scrollbars=Yes,resizable=no,menubar=no,border=0');
    msgWindow.focus()
}

// window ¶ç¿ì±â, no scroll
function open_win1(URL, name, width, height) 
{
    msgWindow=window.open(URL,name,'location=0,toolbar=no,width='+width+',height='+height+',directories=no,status=no,scrollbars=No,resizable=no,menubar=no,border=0');
    msgWindow.focus()
}

// window ¶ç¿ì±â
function open_win_XY(URL, name, width, height) 
{
    msgWindow=window.open(URL,name,'location=0,toolbar=no,width='+width+',height='+height+',directories=no,status=no,scrollbars=Yes,resizable=Yes,menubar=no,border=0,screenX=0,screenY=0');
    msgWindow.focus()
}

// ±âº» Æ˾÷â
function view_open(url,name,features) { 
    window.open(url,name,features);
}

// ¹öÆ° ·Ñ¿À¹ö
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_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_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];}
}


// ¹è³Ê½ºÅ©·Ñ

var bNetscape4plus = (navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) >= "4");
var bExplorer4plus = (navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.substring(0,1) >= "4");

function CheckUIElements()
{
        var yMenuFrom, yMenuTo, yButtonFrom, yButtonTo, yOffset, timeoutNextCheck;

        if ( bNetscape4plus ) { // ³×Ã÷ÄÉÀÌÇÁ ¿ë ¼³Á¤
                //yButtonFrom = document["divLinkButton"].top;
                //yButtonTo   = top.pageYOffset + top.innerHeight - 55;
                yMenuFrom   = document["divMenu"].top;
                yMenuTo     = top.pageYOffset + 5;   // À§ÂÊ À§Ä¡
        }
       else if ( bExplorer4plus ) {  // IE ¿ë ¼³Á¤
                //yButtonFrom = parseInt (divLinkButton.style.top, 10);
                //yButtonTo   = document.body.scrollTop + document.body.clientHeight - 55;
                yMenuFrom   = parseInt (divMenu.style.top, 10);
                yMenuTo     = document.body.scrollTop + 1; // À§ÂÊ À§Ä¡
        }

        timeoutNextCheck = 500;

        if ( Math.abs (yButtonFrom - (yMenuTo + 152)) < 6 && yButtonTo < yButtonFrom ) {
                setTimeout ("CheckUIElements()", timeoutNextCheck);
                return;
        }


        if ( yButtonFrom != yButtonTo ) {
                yOffset = Math.ceil( Math.abs( yButtonTo - yButtonFrom ) / 10 );
                if ( yButtonTo < yButtonFrom )
                        yOffset = -yOffset;

                if ( bNetscape4plus )
                        document["divLinkButton"].top += yOffset;
                else if ( bExplorer4plus )
                        divLinkButton.style.top = parseInt (divLinkButton.style.top, 10) + yOffset;

                timeoutNextCheck = 10;
        }
        if ( yMenuFrom != yMenuTo ) {
                yOffset = Math.ceil( Math.abs( yMenuTo - yMenuFrom ) / 20 );
                if ( yMenuTo < yMenuFrom )
                        yOffset = -yOffset;

                if ( bNetscape4plus )
                        document["divMenu"].top += yOffset;
                else if ( bExplorer4plus )
                        divMenu.style.top = parseInt (divMenu.style.top, 10) + yOffset;

                timeoutNextCheck = 10;
        }

        setTimeout ("CheckUIElements()", timeoutNextCheck);
}

function OnLoad()
{
        var y;


        // ÆäÀÌÁö ·Îµù½Ã Æ÷Áö¼Ç
        if ( bNetscape4plus ) {
                document["divMenu"].top = top.pageYOffset + 135;
                document["divMenu"].visibility = "visible";
                //document["divLinkButton"].top = top.pageYOffset + top.innerHeight - 55;
                //document["divLinkButton"].visibility = "visible";
        }
        else if ( bExplorer4plus ) {
                divMenu.style.top = document.body.scrollTop + 135;
                divMenu.style.visibility = "visible";
               //divLinkButton.style.top = document.body.scrollTop + document.body.clientHeight - 55;
                //divLinkButton.style.visibility = "visible";
        }

        // initializing UI update timer
        CheckUIElements();
        //if ( bExplorer4plus )
        //        setTimeout ( "FlashTitleStepIt(255)", 10 );
        return true;
}


// 20071106 Ãß°¡½ºÅ©¸³Æ®


/* roll over-out image */
function menuOver() {
	this.src = this.src.replace(".gif", "_on.gif");
}
function menuOut() {
	this.src = this.src.replace("_on.gif", ".gif");
}

function initImgEffect(ImgEls,SelImg) {

	MenuImg = document.getElementById(ImgEls).getElementsByTagName("img");
	MenuImgLen = MenuImg.length;

	for (i=0; i<MenuImgLen; i++) {
		MenuImg.item(i).onmouseover = menuOver;
		MenuImg.item(i).onmouseout = menuOut;
		if (i == SelImg) {
			MenuImg.item(i).onmouseover();
			MenuImg.item(i).onmouseover = null;
			MenuImg.item(i).onmouseout = null;
		}
	}
}
/* IE HTML rewrite */
function IE_HtmlRewrite(objParent) {
	if (window.ActiveXObject && objParent) {
		objParent.innerHTML = objParent.innerHTML;
	}
}

/* submenu */
function initSubmenu(depth1, depth2, depth3) {
	selectDepth1 = "menu" + depth1 + "-" + depth2;
	selectDepth2 = "menu" + depth1 + "-" + depth2 + "-" + depth3;

	nav = document.getElementById("sub");
	menuEl = nav.getElementsByTagName("li");


	for(i = 0; i < menuEl.length; i++) {
		if (menuEl.item(i).id == selectDepth1 || menuEl.item(i).id == selectDepth2  ) {
			menuEl.item(i).getElementsByTagName("img").item(0).src = menuEl.item(i).getElementsByTagName("img").item(0).src.replace(".gif", "_on.gif");
		} else {
			menuEl.item(i).getElementsByTagName("img").item(0).onmouseover = menuOver;
			menuEl.item(i).getElementsByTagName("img").item(0).onmouseout = menuOut;
			if (menuEl.item(i).getElementsByTagName("ul").item(0)) {
				menuEl.item(i).getElementsByTagName("ul").item(0).style.display = "none";
			}
		}
	}
}
function applyScriptCss(linkCss) {
	document.write(linkCss);
}

function initMoving(target) {
	if (!target)
		return false;

	var obj = target;
	obj.initTop = 600;
	obj.initLeft = 900;
	//obj.bottomLimit = document.documentElement.scrollHeight - 220;
	obj.bottomLimit = document.body.scrollHeight - 220;
	obj.topLimit = 167;

	obj.style.position = "absolute";
	obj.top = obj.initTop;
	obj.left = obj.initLeft;
	obj.style.top = obj.top + "px";
	obj.style.left = obj.left + "px";

	obj.getTop = function() {
		if (document.documentElement.scrollTop) {
			return document.documentElement.scrollTop;
		} else if (window.pageYOffset) {
			return window.pageYOffset;
		} else if (document.body.scrollTop) {
			return document.body.scrollTop;
		} else {
			return 0;
		}
	}
	obj.getHeight = function() {
		if (self.innerHeight) {
			return self.innerHeight;
		} else if(document.documentElement.clientHeight) {
			return document.documentElement.clientHeight;
		} else {
			return 500;
		}
	}

	obj.move = setInterval(function() {
		//pos = obj.getTop() + obj.getHeight() / 2 - 15;
		pos = obj.getTop() + 135;
		if (pos > obj.bottomLimit)
			pos = obj.bottomLimit
		if (pos < obj.topLimit)
			pos = obj.topLimit

		interval = obj.top - pos;
		obj.top = obj.top - interval / 3;
		obj.style.top = obj.top + "px";
	}, 40)
}
function lecOpen() {
	window.open('/utility/lecture.jsp', 'lecture', 'width=718, height=650, scrollbars=yes');
}
function dicOpen() {
	window.open('/utility/dictionary.jsp', 'dictionary', 'width=718, height=650, scrollbars=yes');
}


document.getElementsBySelector = function(selector) {
	// Attempt to fail gracefully in lesser browsers
	if (!document.getElementsByTagName) {
		return new Array();
	}
	// Split selector in to tokens
	var tokens = selector.split(' ');
	var currentContext = new Array(document);
	for (var i = 0; i < tokens.length; i++) {
		token = tokens[i].replace(/^\s+/,'').replace(/\s+$/,'');;
		if (token.indexOf('#') > -1) {
			// Token is an ID selector
			var bits = token.split('#');
			var tagName = bits[0];
			var id = bits[1];
			var element = document.getElementById(id);
			if (tagName && element.nodeName.toLowerCase() != tagName) {
				// tag with that ID not found, return false
				return new Array();
			}
			// Set currentContext to contain just this element
			currentContext = new Array(element);
			continue; // Skip to next token
		}
		if (token.indexOf('.') > -1) {
			// Token contains a class selector
			var bits = token.split('.');
			var tagName = bits[0];
			var className = bits[1];
			if (!tagName) {
				tagName = '*';
			}
			// Get elements matching tag, filter them for class selector
			var found = new Array;
			var foundCount = 0;
			for (var h = 0; h < currentContext.length; h++) {
				var elements;
				if (tagName == '*') {
						elements = getAllChildren(currentContext[h]);
				} else {
						elements = currentContext[h].getElementsByTagName(tagName);
				}
				for (var j = 0; j < elements.length; j++) {
					found[foundCount++] = elements[j];
				}
			}
			currentContext = new Array;
			var currentContextIndex = 0;
			for (var k = 0; k < found.length; k++) {
				if (found[k].className && found[k].className.match(new RegExp('\\b'+className+'\\b'))) {
					currentContext[currentContextIndex++] = found[k];
				}
			}
			continue; // Skip to next token
		}
		// Code to deal with attribute selectors
		if (token.match(/^(\w*)\[(\w+)([=~\|\^\$\*]?)=?"?([^\]"]*)"?\]$/)) {
			var tagName = RegExp.$1;
			var attrName = RegExp.$2;
			var attrOperator = RegExp.$3;
			var attrValue = RegExp.$4;
			if (!tagName) {
				tagName = '*';
			}
			// Grab all of the tagName elements within current context
			var found = new Array;
			var foundCount = 0;
			for (var h = 0; h < currentContext.length; h++) {
				var elements;
				if (tagName == '*') {
						elements = getAllChildren(currentContext[h]);
				} else {
						elements = currentContext[h].getElementsByTagName(tagName);
				}
				for (var j = 0; j < elements.length; j++) {
					found[foundCount++] = elements[j];
				}
			}
			currentContext = new Array;
			var currentContextIndex = 0;
			var checkFunction; // This function will be used to filter the elements
			switch (attrOperator) {
				case '=': // Equality
					checkFunction = function(e) { return (e.getAttribute(attrName) == attrValue); };
					break;
				case '~': // Match one of space seperated words
					checkFunction = function(e) { return (e.getAttribute(attrName).match(new RegExp('\\b'+attrValue+'\\b'))); };
					break;
				case '|': // Match start with value followed by optional hyphen
					checkFunction = function(e) { return (e.getAttribute(attrName).match(new RegExp('^'+attrValue+'-?'))); };
					break;
				case '^': // Match starts with value
					checkFunction = function(e) { return (e.getAttribute(attrName).indexOf(attrValue) == 0); };
					break;
				case '$': // Match ends with value - fails with "Warning" in Opera 7
					checkFunction = function(e) { return (e.getAttribute(attrName).lastIndexOf(attrValue) == e.getAttribute(attrName).length - attrValue.length); };
					break;
				case '*': // Match ends with value
					checkFunction = function(e) { return (e.getAttribute(attrName).indexOf(attrValue) > -1); };
					break;
				default :
					// Just test for existence of attribute
					checkFunction = function(e) { return e.getAttribute(attrName); };
			}
			currentContext = new Array;
			var currentContextIndex = 0;
			for (var k = 0; k < found.length; k++) {
				if (checkFunction(found[k])) {
					currentContext[currentContextIndex++] = found[k];
				}
			}
			// alert('Attribute Selector: '+tagName+' '+attrName+' '+attrOperator+' '+attrValue);
			continue; // Skip to next token
		}
		// If we get here, token is JUST an element (not a class or ID selector)
		tagName = token;
		var found = new Array;
		var foundCount = 0;
		for (var h = 0; h < currentContext.length; h++) {
			var elements = currentContext[h].getElementsByTagName(tagName);
			for (var j = 0; j < elements.length; j++) {
				found[foundCount++] = elements[j];
			}
		}
		currentContext = found;
	}
	return currentContext;
}



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


//select_go
function openWindow(http) {
		window.open(http, "")
	}

	function selectLinks(form) {
		var http
			for(i=0;i<form.links.length;i++) {
				if(form.links.options[i].selected == true) {
					http = form.links.options[i].value
				}
			}
		openWindow(http)
	}
	function selectLinks2(form) {
		var http
			for(i=0;i<form.links2.length;i++) {
				if(form.links2.options[i].selected == true) {
					http = form.links2.options[i].value
				}
			}
		openWindow(http)
	}
	function selectLinks3(form) {
		var http
			for(i=0;i<form.links3.length;i++) {
				if(form.links3.options[i].selected == true) {
					http = form.links3.options[i].value
				}
			}
		openWindow(http)
	}
	function selectLinks4(form) {
		var http
			for(i=0;i<form.links4.length;i++) {
				if(form.links4.options[i].selected == true) {
					http = form.links4.options[i].value
				}
			}
		openWindow(http)
	}