var x2 = 310,y2 = 10
var xin2 = true, yin2 = true 
var step2 = 1 
var delay2 = 10 
var obj2=document.getElementById("codefans_net2") 
function float2() { 
    var L2=T2=0
    var R2= document.body.clientWidth-obj2.offsetWidth 
    var B2 = document.body.clientHeight-obj2.offsetHeight 
    obj2.style.left = x2 + document.body.scrollLeft 
    obj2.style.top = y2 + document.body.scrollTop 
    x2 = x2 + step2*(xin2?1:-1) 
    if (x2 < L2) { xin2 = true; x2 = L2} 
    if (x2 > R2){ xin2 = false; x2 = R2} 
    y2 = y2 + step2*(yin2?1:-1) 
    if (y2 < T2) { yin2 = true; y2 = T2 } 
    if (y2 > B2) { yin2 = false; y2 = B2 } 
} 
var itl2= setInterval("float2()", delay2) 
obj2.onmouseover=function(){clearInterval(itl2)} 
obj2.onmouseout=function(){itl2=setInterval("float2()", delay2)}