function getdata(){

var tindex = document.billoption.BillID.selectedIndex
if (tindex==0) {
                document.billoption.cpass_amount.value = "00"
                document.billoption.dpass_amount.value = "190"
}
if (tindex==1) {
                document.billoption.cpass_amount.value = "00"
                document.billoption.dpass_amount.value = "115"
}
 if (tindex==2) {
                document.billoption.cpass_amount.value = "00"
                document.billoption.dpass_amount.value = "55"
}
if (tindex==3) {
                document.billoption.cpass_amount.value = "00"
                document.billoption.dpass_amount.value = "20"
}
if (tindex==4) {
                document.billoption.cpass_amount.value = "00"
                document.billoption.dpass_amount.value = "60"
}
if (tindex==5) {
                document.billoption.cpass_amount.value = "00"
                document.billoption.dpass_amount.value = "15"
}



}