function smoothout(id1,id2,id1b,id2b,stat)
{
if(stat==0){
tempinnertext1=document.all(id1b).innerHTML;
tempinnertext2=document.all(id2b).innerHTML;
document.all(id1b).innerHTML="";
document.all(id2b).innerHTML="";
outlooksmoothstat=1;
document.all(id1b).style.overflow="hidden";
document.all(id2b).style.overflow="hidden";
document.all(id1).style.height="0%";
document.all(id1).style.display="";
setTimeout("smoothout('"+id1+"','"+id2+"','"+id1b+"','"+id2b+"',"+outlookbar.inc+")",outlookbar.timedalay);
}
else
{
stat+=outlookbar.inc;
if (stat>100)
stat=100;
document.all(id1).style.height=stat+"%";
document.all(id2).style.height=(100-stat)+"%";
if (stat<100)
setTimeout("smoothout('"+id1+"','"+id2+"','"+id1b+"','"+id2b+"',"+stat+")",outlookbar.timedalay);
else
{
document.all(id1b).innerHTML=tempinnertext1;
document.all(id2b).innerHTML=tempinnertext2;
outlooksmoothstat=0;
document.all(id1b).style.overflow="auto";
document.all(id2).style.display="none";
}
}
}
请教大家这一段JS是实现什么功能的呢