function Random() 
{
today = new Date();
num = today.getTime();
num = Math.round(Math.abs(Math.sin(num) * 1000000)) % 50;
return num;
}

function open_help( File, Anchor )
{
	mywin = window.open( File + Anchor, Random(), 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=620,height=450' );
	mywin.focus();
}