var imgheight
var imgleft
var body
body  = document.documentElement
window.screen.width>800 ? imgheight=-240:imgheight=-240
window.screen.width>800 ? imgleft=5:imgleft=5
function myload()
{
myleft.style.top=body.scrollTop-imgheight;
myleft.style.left=imgleft;
leftmove();
}
function leftmove()
{
myleft.style.top=body.scrollTop-imgheight;
myleft.style.left=imgleft;
setTimeout("leftmove();",80)
}
function ad_close()
{
document.getElementById('myleft').style.display = 'none';
}
function ad_left_show() {
    document.getElementById('myleft').style.display = 'block';
}
//document.write('<div id="myleft" style="display:none;position:absolute; width:90px; height:260px; left:5px; visibility:visible; z-index:1">');
//document.write('<img src="/templets/lostcity/images/ad/ad_left.gif" alt="ad_left" />');
//document.write('<div style="cursor:hand; width:10px; height:10px; line-height:10px; position:absolute; bottom:0; left:0; background-color:#C3E8FF; color:#0075B0;" onclick="javascript:ad_close();return false;"><img src="/templets/lostcity/images/close.gif" alt="关闭"/></div>');
//document.write('</div>');

setTimeout('ad_left_show()', 100);
//myload();