////////////////////////////////////////////////////////////////////////////////////////    
function newwindow(page, W, H,scrollbars)
{
 	var w=window.screen.width;
  var h=window.screen.height;
  var X=X||Math.ceil((w-W)/2)
  var Y=Y||Math.ceil((h-H)/2)
  if (scrollbars == 0) 
  {
  	scrollbars = "no"
  }
  else
  {
  	scrollbars = "yes"
  }
  features = "width=" + W + ",height=" + H + ",menubar=no,location=no,scrollbars=" + scrollbars + ",left=" + X + ",top=" + Y;
  top.window_handle = window.open(page, 'Information', features);
}

function formatCurrency(num)
 {
num = num.toString().replace(/\$|\,/g,'');
if(isNaN(num))
num = "0";
sign = (num == (num = Math.abs(num)));
num = Math.floor(num*100+0.50000000001);
cents = num%100;
num = Math.floor(num/100).toString();
if(cents<10)
cents = "0" + cents;
for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
num = num.substring(0,num.length-(4*i+3))+','+
num.substring(num.length-(4*i+3));
return (((sign)?'':'-') + '$' + num + '.' + cents);
}
////////////////////////////////////////////////////////////////////////////////////////