var x = 200,y = 60 
	var xin = true, yin = true 
	var step = 1 
	var delay =30
	var obj=document.getElementById("codefans_net") 
	function floatwww_qpsh_com() { 
	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("floatwww_qpsh_com()", delay) 
	obj.onmouseover=function(){clearInterval(itl)} 
	obj.onmouseout=function(){itl=setInterval("floatwww_qpsh_com()", delay)}