function hidead()
{
	var had = document.getElementById( "s1_r" );
	had.style.display="none";
}

lastScrollY=0;
function scroll()
{
	var diffY;
	if( !document.getElementById ) return false;
	if( !document.documentElement ) return false;
	if ( document.documentElement && document.documentElement.scrollTop )
	diffY = document.documentElement.scrollTop;
	else if ( document.body )
		diffY = document.body.scrollTop;
	else {/*Netscape stuff*/}
	percent =.1*(diffY-lastScrollY); 
	if( percent > 0 ) percent = Math.ceil( percent ); 
	else percent = Math.floor( percent ); 
	if( !document.getElementById( "s1_r" ) ) return false;
	else
	{
		document.getElementById( "s1_r" ).style.top = parseInt( document.getElementById("s1_r").style.top ) + percent + "px";
		lastScrollY=lastScrollY+percent; 
	}
	
}
window.setInterval( "scroll()",1 );