function GoToURL(j) {
window.status=('Connecting....')
var BillNo;
BillNo = document.URLframe.Dest.value
if (BillNo.length >4)
{
BillNo = BillNo.substring(BillNo.length-4)
}
if (BillNo == "" || BillNo >= 4050 || BillNo <= 1000 || (BillNo >= 1535 && BillNo <= 2000)|| (BillNo >= 2435 && BillNo <= 3000) || (BillNo >= 3080 && BillNo <= 4000))
{ 
alert('\nOops!\n\nYou must enter a valid Bill');
window.status=('Missing data or Invalid. Try again?.')
} 
else
{
var location=("http://www.legis.nd.gov/assembly/61-2009/bill-actions/ba" + BillNo+".html");
open(location);
}
}