function GoTop() {
 window.scrollTo(0,0);
}
function GoTop_Call() {
 document.body.ondblclick = Top; 
}
var Xpos = 0;
var Ypos = 0;
var Ygravity = 0.85;
var scrollPos = 0;
var oldScrollPos = 0;
function FloatMenu() {
docWidth = document.body.clientWidth; // Update document width
docHeight = document.body.clientHeight; // Update document height
oldScrollPos = scrollPos;
scrollPos = document.body.scrollTop; // Update scrollbar position
Xpos = 888;
//Xpos = (docWidth - floater.offsetWidth) - 10; 
//Xpos = (docWidth / 2) + 410; // 
Yboundary = ((scrollPos + docHeight) - floater.offsetHeight) - 15; //
if (floater.offsetTop < Yboundary - 1) // Object is behind boundary
Ypos += 2;
if (floater.offsetTop > Yboundary + 1) // Object is past boundary
Ypos -= 1;
Ypos *= Ygravity; // Slow object down
floater.style.pixelLeft = Xpos;
floater.style.pixelTop += Ypos; // Make object bounce
}
window.setInterval("FloatMenu()", 1); //¸Å°³º¯¼öÁß µÞÂÊ ¼ýÀÚ´Â ³»·Á¿À´Â ¼Óµµ