//<!--µû¶ó´Ù´Ï´Â ž¹öÆ°

self.onError=null;
currentX1 = currentY1 = 0;  
whichIt = null;
lastScrollX1 = 0; lastScrollY1 = 0;
action = window.setInterval("heartBeat()",1);


function heartBeat() {
        diffY = document.body.scrollTop; 
        diffX = 0; 
        if (diffY != lastScrollY1) {
                percent = .2 * (diffY - lastScrollY1);
                if (percent > 0) {
                        percent = Math.ceil(percent);
                } else {
                        percent = Math.floor(percent);
                }
                document.all.layer_left.style.pixelTop += percent;
                lastScrollY1 = lastScrollY1 + percent;
        }
        if (diffX != lastScrollX1) {
                percent = .2 * (diffX - lastScrollX1);
                if (percent > 0) {
                        percent = Math.ceil(percent);
                } else {
                        percent = Math.floor(percent);
                }
                document.all.layer_left.style.pixelLeft += percent;
                lastScrollY1 = lastScrollY1 + percent;
        }        
}        
//-->

document.write("\
<div id='layer_left' style='position:absolute; left:943px; top:300px; width:10px; z-index:10;visibility:visible;'><a href='#'><img src='/img/btn/btn_top.gif' border='0'></a></div>\
");
//<!-- µû¶ó´Ù´Ï´Â ž¹öÆ° END -->