function open_window( filename, option, name )
{
	if( !name )
	{
		name = 'new'
	}


        win = window.open( filename, name, option );

        return win
}

function window_open( page, name, top, left, width, height )
{
	option = "'toolbar=no," +
		"location=no," +
		"directories=no," +
		"status=no," +
		"menubar=no," +
		"scrollbars=yes," +
		"resizable=yes," +
		"width=" + width + "," +
		"height=" + height + "," +
		"top=" + top + "," +
		"left=" + left + "'"

        window.open( page, name, option );
}

function open_poll_pop( mode, no )
{
	page = '/front/php/poll_r.php?mode=' + mode + '&no=' + no;
	window_open( page, 'poll', 100, 300, 466, 382 );
}



function get_objectTop(obj){
	if (obj.offsetParent == document.body) return obj.offsetTop;
	else return obj.offsetTop + get_objectTop(obj.offsetParent);
}

function get_objectLeft(obj){
	if (obj.offsetParent == document.body) return obj.offsetLeft;
	else return obj.offsetLeft + get_objectLeft(obj.offsetParent);
}

var bodyHeight = scrollobjHeight = 0;

function scrollBanner()
{
	if ( document.all ) window.attachEvent("onload", initSlide); // IE °æ¿ì
	else window.addEventListener("load", initSlide, false); // FF(¸ðÁú¶ó) °æ¿ì
}

function initSlide()
{
	var scroll = document.getElementById('scroll');
	var scrollTop = get_objectTop(document.getElementById('pos_scroll'));
	scroll.style.top = document.body.scrollTop + scrollTop;
	bodyHeight = document.body.scrollHeight;
	scrollobjHeight = scroll.clientHeight;
	movingSlide();
}

function movingSlide()
{
	var yMenuFrom, yMenuTo, yOffset, timeoutNextCheck;
	var scroll = document.getElementById('scroll');
	var scrollTop = get_objectTop(document.getElementById('pos_scroll'));

	yMenuFrom  = parseInt (scroll.style.top, 10);
	yMenuTo    = document.body.scrollTop + 10;
	if(yMenuTo<scrollTop) yMenuTo = scrollTop;
	timeoutNextCheck = 500;
	if (yMenuFrom != yMenuTo) {
		yOffset = Math.ceil(Math.abs(yMenuTo - yMenuFrom) / 10);
		if (yMenuTo < yMenuFrom) yOffset = -yOffset;
		scroll.style.top = parseInt (scroll.style.top, 10) + yOffset;
		timeoutNextCheck = 10;
	}
	if (scroll.style.pixelTop > bodyHeight - scrollobjHeight) scroll.style.top = bodyHeight - scrollobjHeight;

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