var i;
var p;
var y;
var b;
var m;
function U()
{
if(m<p)
s=(b-p)/2;
else s=(p-y)/7;
if(s<1)
s=1;
else if(s>35)
s=35;
else 
s=parseInt(s);
window.scrollBy(0,-s);p=p-s;if(p<y)clearInterval(i);
}

function D()
{if(p<m)
s=(p-b)/2;
else s=(y-p)/7;
if(s<1)s=1;else if(s>35)s=35;else 
s=parseInt(s);window.scrollBy(0,s);p=p+s;if(p>y)clearInterval(i);
}

function V(id)
{
y=document.getElementById(id).offsetTop;
if(document.body && document.body.scrollTop)
b=p=document.body.scrollTop;
else if(document.documentElement && document.documentElement.scrollTop)
b=p=document.documentElement.scrollTop;
else if(window.pageYOffset)
b=p=window.pageYOffset;
else
b=p=0;
if(y<p){m=y+((p-y)/2);i=setInterval('U()',1);}else if(y>p){m=y-((y-p)/2);i=setInterval('D()',1);}}