var adv_x=50,adv_y=60,adv_xin=true,adv_yin=true;
function floatAdv(objname,step) {
var obj=document.getElementById(objname);
var L=T=0;
var R= document.documentElement.clientWidth-obj.offsetWidth;
var B = document.documentElement.clientHeight-obj.offsetHeight;
obj.style.left = adv_x + document.body.scrollLeft + 'px';
obj.style.top = adv_y + document.body.scrollTop + 'px';
adv_x = adv_x + step*(adv_xin?1:-1);
if (adv_x < L) { adv_xin = true; adv_x = L;}
if (adv_x > R){ adv_xin = false; adv_x = R;}
adv_y = adv_y + step*(adv_yin?1:-1);
if (adv_y < T) { adv_yin = true; adv_y = T;}
if (adv_y > B) { adv_yin = false; adv_y = B;}
}
function showAdv(step,delay){
var obj=document.getElementById("floatadv");
var itl= setInterval("floatAdv('floatadv',"+step+")", delay);
obj.onmouseover=function(){clearInterval(itl);};
obj.onmouseout=function(){itl=setInterval("floatAdv('floatadv',"+step+")", delay)};
}
function hiddenAdv(obj){
obj.style.display="none";
}
document.write('');showAdv(1,20);
