//<![CDATA[ 
var goto_top_type = -1; 
var goto_top_itv = 0; 

function goto_top_timer() 
{ 
var y = goto_top_type == 1 ? document.documentElement.scrollTop : document.body.scrollTop; 
var moveby = 55; 

y -= Math.ceil(y * moveby / 100); 
if (y < 0) { 
y = 0; 
} 

if (goto_top_type == 1) { 
document.documentElement.scrollTop = y; 
} 
else { 
document.body.scrollTop = y; 
} 

if (y == 0) { 
clearInterval(goto_top_itv); 
goto_top_itv = 0; 
} 
} 

function goto_top() 
{ 
if (goto_top_itv == 0) { 
if (document.documentElement && document.documentElement.scrollTop) { 
goto_top_type = 1; 
} 
else if (document.body && document.body.scrollTop) { 
goto_top_type = 2; 
} 
else { 
goto_top_type = 0; 
} 

if (goto_top_type > 0) { 
goto_top_itv = setInterval('goto_top_timer()', 50); 
} 
} 
} 
//]]>