// JavaScript Document

var myPos;
var speed=20;
var target=0;
function boxMove() {
	myPos=document.getElementById('headBox').style.left;
	myPos=eval(myPos.replace("px", ""));
	myPos=myPos+(target-myPos)/speed;
	document.getElementById('headBox').style.left=myPos+"px";
    setTimeout("boxMove()",10);
}
function setTarget(targetPos) {
	target=targetPos;
}
function MM_callJS(jsStr) { //v2.0
  return eval(jsStr)
}