//µû¶ó´Ù´Ï´Â top ¹öÆ°
function initMoving(target, position, topLimit, btmLimit) {
	if (!target)
		return false;

	var obj = target;
	obj.initTop = position;
	obj.topLimit = topLimit;
	obj.bottomLimit = Math.max(document.documentElement.scrollHeight, document.body.scrollHeight) - btmLimit - obj.offsetHeight;

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

	if (typeof(window.pageYOffset) == "number") {	//WebKit
		obj.getTop = function() {
			return window.pageYOffset;
		}
	} else if (typeof(document.documentElement.scrollTop) == "number") {
		obj.getTop = function() {
			return Math.max(document.documentElement.scrollTop, document.body.scrollTop);
		}
	} else {
		obj.getTop = function() {
			return 0;
		}
	}

	if (self.innerHeight) {	//WebKit
		obj.getHeight = function() {
			return self.innerHeight;
		}
	} else if(document.documentElement.clientHeight) {
		obj.getHeight = function() {
			return document.documentElement.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)
}
function next(varControl, varNext) 
{
        if (varControl.value.length == varControl.maxLength) { varNext.focus(); varNext.select(); }
}
function chk_num(fl) {
//	tmp = fl.name ;
	t = fl.value ;
//	if (fl.value==""){fl.value="0";return false;}
	for(i=0 ; i < t.length ; i++) 
	if ((t.charAt(i) < '0' || t.charAt(i) > '9') && t.charAt(i)!='' && t.charAt(i)!=',' ) {
		alert("¼ýÀÚ¸¸ ÀÔ·ÂÇØÁÖ¼¼¿ä.") ;
		fl.value = "" ;
		fl.select();
		fl.focus();
		return;
	}
	return;
}
function FN_alert(){
	alert("±ÇÇÑÀÌ ¾ø½À´Ï´Ù.");
	return;
}

function checkString(str) {
	var strLen = 0;
	var maxLen = 0;
	for (var i=0;i<str.length;i++) {
		if (str.charAt(i) == " ")  strLen++;
	}
	if (strLen == str.length) return false;
	else                      return true;
}