var isDOM = (document.getElementById ? true : false);
var isIE4 = ((document.all && !isDOM) ? true : false);
var isNS4 = (document.layers ? true : false);
var isNS = navigator.appName == "Netscape";


function getRef(id) {
	if (isDOM) return document.getElementById(id);
	if (isIE4) return document.all[id];
	if (isNS4) return document.layers[id];
}

function moveLeftEdge() {
	var yMenuFrom, yMenuTo, yOffset, timeoutNextCheck;
	var topsize = -20; 
	var leftBannerEl = document.getElementById('divAD_left');

	if (isNS4) {
		yMenuFrom = parseInt( leftBannerEl.style.top, 10);
		yMenuTo = document.body.scrollTop + topsize - 90;
	} else if (isDOM) {
		yMenuFrom = parseInt (leftBannerEl.style.top, 10);
		yMenuTo = document.body.scrollTop + topsize - 90;
	}
	if(document.body.scrollTop < 120){
		yMenuTo = 0;
	}
	timeoutNextCheck = 40;

	if (yMenuFrom != yMenuTo) {
		if((document.body.scrollTop == 0)||(document.body.scrollTop == (document.body.scrollHeight - document.body.clientHeight))) {
			if (isNS4) {
				temp_val = parseInt( leftBannerEl.style.top , 10) + yOffset;
				leftBannerEl.style.top = yMenuTo;
			} else if (isDOM){
				leftBannerEl.style.top = yMenuTo;
			}
		}else{
			yOffset = Math.ceil(Math.abs(yMenuTo - yMenuFrom) / 7);
			if (yMenuTo < yMenuFrom)
				yOffset = -yOffset;
			if (isNS4){
				temp_val = parseInt( leftBannerEl.style.top , 10) + yOffset;
				leftBannerEl.style.top = temp_val;
			}
			else if (isDOM){
				leftBannerEl.style.top = parseInt (leftBannerEl.style.top, 10) + yOffset;
			}
			timeoutNextCheck = 10;
		}
	}
	setTimeout ("moveLeftEdge()", timeoutNextCheck);
}

function moveRightEdge() {
	var yMenuFrom, yMenuTo, yOffset, timeoutNextCheck;
	var topsize = -20; 
	var rightBannerEl = document.getElementById('divAD_right');

	if (isNS4) {
		yMenuFrom = parseInt( rightBannerEl.style.top, 10);
		yMenuTo = document.body.scrollTop + topsize - 90;
	} else if (isDOM) {
		yMenuFrom = parseInt (rightBannerEl.style.top, 10);
		yMenuTo = document.body.scrollTop + topsize - 90;
	}

	if(document.body.scrollTop < 120){
		yMenuTo = 0;
	}

	timeoutNextCheck = 40;

	if (yMenuFrom != yMenuTo) {
		if((document.body.scrollTop == 0)||(document.body.scrollTop == (document.body.scrollHeight - document.body.clientHeight))) {
			if (isNS4) {
				temp_val = parseInt( rightBannerEl.style.top , 10) + yOffset;
				rightBannerEl.style.top = yMenuTo;
			} else if (isDOM){
				rightBannerEl.style.top = yMenuTo;
			}
		}else{
			yOffset = Math.ceil(Math.abs(yMenuTo - yMenuFrom) / 7);
			if (yMenuTo < yMenuFrom)
				yOffset = -yOffset;
			if (isNS4){
				temp_val = parseInt( rightBannerEl.style.top , 10) + yOffset;
				rightBannerEl.style.top = temp_val;
			}
			else if (isDOM){
				rightBannerEl.style.top = parseInt (rightBannerEl.style.top, 10) + yOffset;
			}
			timeoutNextCheck = 10;
		}
	}
	setTimeout ("moveRightEdge()", timeoutNextCheck);
}

function load_rwing()
{
	if (isNS4) {
		var divAD_left = document["divAD_left"];
		divAD_left.top = top.pageYOffset + 50;
		var divAD_right = document["divAD_right"];
		divAD_right.top = top.pageYOffset + 50;
		moveLeftEdge();
		moveRightEdge();
	} else if (isDOM) {
		var divAD_left = getRef('divAD_left');
		divAD_left.style.top = (isNS ? window.pageYOffset : document.body.scrollTop) + 150;
		var divAD_right = getRef('divAD_right');
		divAD_right.style.top = (isNS ? window.pageYOffset : document.body.scrollTop) + 150;
		moveLeftEdge();
		moveRightEdge();
	}
}

function getCookie(name)
{
	var cookies = document.cookie.split("; ");
	var crumbs;

	for (var i=0; i < cookies.length; i++) {
		crumbs = cookies[i].split("=");
		if (name == crumbs[0]) {
			return unescape(crumbs[1]);
		}
	}

	return "";
}
function obj2evt2func( obj, evt_name, func_name )
{
	if ( !obj ) return ;
	var evt_name = ( document.all ) ? evt_name : evt_name.substring( 2, evt_name.length ) ;
	if ( document.all )
	{
		obj.attachEvent( evt_name, eval(func_name) ) ;
	}
	else
	{
		obj.addEventListener( evt_name, eval(func_name), true ) ;
	}
}

function moveTop() {
	try	{
		document.getElementById("wrapBody").scrollTop = 0;
	}
	catch (e)	{
		scroll(0, 0);
	} 
}

/*obj2evt2func( window, "onload", "load_rwing" );*/

//var calcssleft=((document.body.scrollWidth-902)/2)-168;
var calcssleft=((screen.width-902)/2)-168;
var fixsize="text-align:center;";
var fixsize1="margin-left:auto;margin-right:auto;";
if(calcssleft<0) {
	fixsize="text-align:left;";
	fixsize1="margin:0;";
}

document.write('<style>');
document.write('	.wing_wrap	{  top: 0px;left:-168px;width: 163px;z-index:1;}');
document.write('	.wing_wrap2	{  top: 0px; width: 107px;display: block}');
document.write('	.fixsize	{ '+fixsize+'}');
//document.write('	.fixsize1	{ '+fixsize1+'}');
document.write('    .fixsize1    { margin: 0 270px auto}');  

document.write('	.png24 {tmp:expression(setPng24(this))}');
document.write('</style>');
//document.write('		<div class="wing_wrap" id="divAD_left">');
//document.write('			<div><a href="how_selling_works.php" target="_blank"><img src="http://www.ibuy.co.th/templates/themesite1/images/free.jpg" border="0"></a></div>');
//document.write('		</div>');
//document.write('		<div class="wing_wrap2" id="divAD_right">');
//document.write('			<div><a href="javascript:moveTop();"><img src="http://www.ibuy.co.th/templates/themesite1/images/floatright.jpg" border="0"></a></div>');
//document.write('		</div>');