// png ÆÄÀÏ Åõ¸í ó¸® 
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 '';
}

// resize
function pageResize() {
	var doc_width = document.getElementById('wrapBody').scrollWidth;
	var evetObj = document.getElementById("gnbEvent");
	var smkecsObj = document.getElementById("smkEcs");

	if(doc_width <= 1000) {
		document.getElementById('wrapBody').style.overflowX = "scroll";
		evetObj.style.bottom = 17 + "px";
		smkecsObj.style.left = 986 + "px";
	} else {
		document.getElementById('wrapBody').style.overflowX = "auto";
		evetObj.style.bottom = 0 + "px";
		evetObj.style.left = "";
		evetObj.style.right = 17 + "px";
		smkecsObj.style.left = "";
		smkecsObj.style.right = 0;
	}
}

// quick ½ºÅ©·Ñ
function initMoving(target, position, topLimit, btmLimit) {
	if (!target)
		return false;

	var obj = target;
	obj.initTop = position;
	obj.topLimit = topLimit;
	obj.bottomLimit = document.getElementById('wrapBody').scrollHeight - btmLimit;

	obj.top = obj.initTop;
	obj.left = obj.initLeft;

	if (typeof(window.pageYOffset) == "number") {
		obj.getTop = function() {
			return window.pageYOffset;
		}
	} else if (typeof(document.getElementById('wrapBody').scrollTop) == "number") {
		obj.getTop = function() {
			return document.getElementById('wrapBody').scrollTop;
		}
	} else {
		obj.getTop = function() {
			return 0;
		}
	}

	if (self.innerHeight) {
		obj.getHeight = function() {
			return self.innerHeight;
		}
	} else if(document.getElementById('wrapBody').clientHeight) {
		obj.getHeight = function() {
			return document.getElementById('wrapBody').clientHeight;
		}
	} else {
		obj.getHeight = function() {
			return 500;
		}
	}

	obj.move = setInterval(function() {
		if (obj.initTop > 0) {
			pos = obj.getTop() + obj.initTop;
		} else {
			pos = obj.getTop() + obj.getHeight() + obj.initTop;
			pos = obj.getTop() + obj.getHeight() / 2 - 15;
		}

		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";
	}, 30)
}

//show
function objShow(obj, state) {
	var txt = obj.href;
	var aryIDName = txt.split("#");
	var idLength = aryIDName.length;
	var idNameVal = aryIDName[idLength-1];
	
	document.getElementById(idNameVal).style.display = state;
}

// À̹ÌÁö ¿À¹ö 
function imageOver(imgs) {
	imgs.src = imgs.src.replace("off.gif", "on.gif");
}
function imageOut(imgs) {
	imgs.src = imgs.src.replace("on.gif", "off.gif");
}


// ½º¸¶Æ® ÆÄÀδõ
function leftTop(a) {
	var useObj = document.getElementById('leftNavi');
	var contHeight = document.getElementById('wrapper').scrollHeight;

	if (contHeight < 640) {
		contHeight = 640;
	}

	switch (a) {
		case 'open' :
			useObj.style.width =  100 + "%";
			useObj.style.height = contHeight + "px";
		break;
		
		case 'close' :
			useObj.style.width =  330 + "px";
			useObj.style.height = 330 + "px";
		break;
	}
}