function calculate() {
var xamount=parseInt(document.forms[0].amount.value)
var xbasic=document.forms[0].basic.value
var xalta=document.forms[0].alta.value
var xttl=document.forms[0].ttl.value
var xtotals=document.forms[0].totals.value

if (xamount>.1 && xamount<17) {
if (document.rates.simul.checked == true) {
xbasic=275
xalta=30
xttl=xbasic+xalta
}
else{
xbasic=250
xalta=30
xttl=xbasic+xalta
}
}

if (xamount>=17 && xamount<=100) {
var xb=5.75*xamount

if (document.rates.simul.checked == true) {
xbasic=xb+25
xalta=(xbasic*.1)
xttl=xbasic+xalta
}
else{
xbasic=xb
xalta=(xbasic*.1)
xttl=xbasic+xalta
}

}



if (xamount>=101 && xamount <=1000) {
var x = xamount-100
var xb=3*x
var xa=.9*x
if (document.rates.simul.checked == true) {
xbasic=600+(x*5)
xalta=(xbasic*.1)
xttl=xbasic+xalta
}
else{
xbasic=575+(x*5)
xalta=(xbasic*.1)
xttl=xbasic+xalta
}
}

if (xamount>=1001 && xamount <=5000) {
var x = xamount-1000
if (document.rates.simul.checked == true) {
xbasic=5100+(x*2.5)
xalta=(xbasic*.1)
xttl=xbasic+xalta
}
else{
xbasic=5075+(x*2.5)
xalta=(xbasic*.1)
xttl=xbasic+xalta
}
}


if (xamount>=5001 && xamount <=10000) {
var x = xamount-5000
if (document.rates.simul.checked == true) {
xbasic=15100+(x*2.25)
xalta=(xbasic*.1)
xttl=xbasic+xalta
}
else{
xbasic=15075+(x*2.25)
xalta=(xbasic*.1)
xttl=xbasic+xalta
}
}

if (xamount>=10001) {
var x = xamount-10000
if (document.rates.simul.checked == true) {
xbasic=26350+(x*2)
xalta=(xbasic*.1)
xttl=xbasic+xalta
}
else{
xbasic=26325+(x*2)
xalta=(xbasic*.1)
xttl=xbasic+xalta
}
}



if (document.rates.residential.checked == true) {xttl = xttl + 25}
if (document.rates.commercial.checked == true) {xttl = xttl + 100}

xtotals=xttl+200
if (xamount<.1){
xtotals = "No Loan?"
xalta = "??"
xbasic= "??"
xttl = "No Loan?"
}
document.forms[0].basic.value=xbasic
document.forms[0].alta.value=xalta
document.forms[0].ttl.value=xttl
document.forms[0].totals.value=xtotals

}