//ÍøÒ³Öзû¶¯µÄͼƬ
var x = 50,y = 60
var xin = true, yin = true
var step = 1
var delay = 10
var obj=document.getElementById("softreg-moveball")

function floatAD() 
{
	var L=T=0
	var R= document.body.clientWidth-obj.offsetWidth
	var B = document.body.clientHeight-obj.offsetHeight
	obj.style.left = x + document.body.scrollLeft
	obj.style.top = y + document.body.scrollTop
	x = x + step*(xin?1:-1)
	if (x < L) 
	{
		xin = true; 
		x = L
	}
	if (x > R)
	{
		xin = false; 
		x = R
	}
	y = y + step*(yin?1:-1)
	if (y < T) { yin = true; y = T }
	if (y > B) { yin = false; y = B }
}
var itl= setInterval("floatAD()", delay)
obj.onmouseover=function(){clearInterval(itl)}
obj.onmouseout=function(){itl=setInterval("floatAD()", delay)}