// For roll over img
function menuOn(imgEl)
{
  imgEl.src = imgEl.src.replace(".gif", "_on.gif");
 imgEl.position='relative;'
}

function menuOut(imgEl)
{
imgEl.src = imgEl.src.replace("_on.gif", ".gif");
imgEl.position='static;'
}


function show(i)
{
	obj=document.getElementById('show_'+i);
	
	obj1 = document.getElementById('button_'+i);
	if (obj)
		if (obj.style.display =="block")
			{		
			obj.style.display = "none";
			}
		else
			{
			obj.style.display = "block";
			}
		
}



//----------------------------------------------
//Floating v1.1 Source By Bermann
//dobermann75@gmail.com
//----------------------------------------------

//new Floating(적용할개체 , X축여백 , Y축여백 , 미끄러지는속도:작을수록빠름..기본20 , 빠르기:작을수록부드러움..기본10);

function Floating(FloatingObj,MarginX,MarginY,Percentage,setTime) {
	this.FloatingObj = FloatingObj;
	this.MarginX = (MarginX) ? MarginX : 0;
	this.MarginY = (MarginY) ? MarginY : 0;
	this.Percentage = (Percentage) ? Percentage : 20;
	this.setTime = (setTime) ? setTime : 10;
	this.FloatingObj.style.position = "absolute";
	this.Body = null;
	this.setTimeOut = null;
	this.Run();
}

Floating.prototype.Run = function () {
	if ((document.documentElement.scrollLeft + document.documentElement.scrollTop) > (document.body.scrollLeft + document.body.scrollTop)) {
		this.Body = document.documentElement;
	} else {
		this.Body = document.body;
	}

	var This = this;
	var FloatingObjLeft = (this.FloatingObj.style.left) ? parseInt(this.FloatingObj.style.left,10) : this.FloatingObj.offsetLeft;
	var FloatingObjTop = (this.FloatingObj.style.top) ? parseInt(this.FloatingObj.style.top,10) : this.FloatingObj.offsetTop;
	var DocLeft = this.Body.scrollLeft + this.MarginX;
	var DocTop = this.Body.scrollTop + this.MarginY;

	var MoveX = Math.abs(FloatingObjLeft - DocLeft);
	MoveX = Math.ceil(MoveX / this.Percentage);
	var MoveY = Math.abs(FloatingObjTop - DocTop);
	MoveY = Math.ceil(MoveY / this.Percentage);

	if (FloatingObjLeft < DocLeft) {
		this.FloatingObj.style.left = FloatingObjLeft + MoveX + "px";
	} else {
		this.FloatingObj.style.left = FloatingObjLeft - MoveX + "px";
	}

	if (FloatingObjTop < DocTop) {
		this.FloatingObj.style.top = FloatingObjTop + MoveY + "px";
	} else {
		this.FloatingObj.style.top = FloatingObjTop - MoveY + "px";
	}

	window.clearTimeout(this.setTimeOut);
	this.setTimeOut = window.setTimeout(function () { This.Run(); },this.setTime);
}

// 메인 네비게이션
function initNavigation(seq) {
	nav = document.getElementById("mainnav");
	nav.menu = new Array();
	nav.current = null;
	nav.menuseq = 0;
	navLen = nav.childNodes.length;
	
	allA = nav.getElementsByTagName("a")
	for(k = 0; k < allA.length; k++) {
		allA.item(k).onmouseover = allA.item(k).onfocus = function () {
			nav.isOver = true;
		}
		allA.item(k).onmouseout = allA.item(k).onblur = function () {
			nav.isOver = false;
			setTimeout(function () {
				if (nav.isOver == false) {
					if (nav.menu[seq])
						nav.menu[seq].onmouseover();
					else if(nav.current) {
						menuImg = nav.current.childNodes.item(0);
						menuImg.src = menuImg.src.replace("_on.gif", ".gif");
						if (nav.current.submenu)
							nav.current.submenu.style.display = "none";
						nav.current = null;
					}
				}
			}, 500);
		}
	}

	for (i = 0; i < navLen; i++) {
		navItem = nav.childNodes.item(i);
		if (navItem.tagName != "LI")
			continue;

		navAnchor = navItem.getElementsByTagName("a").item(0);
		navAnchor.submenu = navItem.getElementsByTagName("ul").item(0);
		
		navAnchor.onmouseover = navAnchor.onfocus = function () {
			if (nav.current) {
				menuImg = nav.current.childNodes.item(0);
				menuImg.src = menuImg.src.replace("_on.gif", ".gif");
				if (nav.current.submenu)
					nav.current.submenu.style.display = "none";
				nav.current = null;
			}
			if (nav.current != this) {
				menuImg = this.childNodes.item(0);
				menuImg.src = menuImg.src.replace(".gif", "_on.gif");
				if (this.submenu)
					this.submenu.style.display = "block";
				nav.current = this;
			}
			nav.isOver = true;
		}
		nav.menuseq++;
		nav.menu[nav.menuseq] = navAnchor;
	}
	if (nav.menu[seq])
		nav.menu[seq].onmouseover();
}