rate=new Array(22)

rate[0]=0
rate[1]=253
rate[2]=504
rate[3]=707
rate[4]=959
rate[5]=1211
rate[6]=1463
rate[7]=1715
rate[8]=1967
rate[9]=2219
rate[10]=2555
rate[11]=3073
rate[12]=3766
rate[13]=4578
rate[14]=5390
rate[15]=6202
rate[16]=7014
rate[17]=7560
rate[18]=7924
rate[19]=8205
rate[20]=8428
rate[21]=8652


function setRate()
{
startdate=document.form1.starting.selectedIndex
start=rate[startdate]

finishdate=document.form1.ending.selectedIndex
end=rate[finishdate]


cost=eval(end-start)
smooth=Math.round(cost)

if((start== 0)||(end== 0)||(smooth < 0))
alert("Please check dates")
else
document.form1.Cost.value=(smooth + " euros")
}

weeks=new Array(19)
weeks[0]=0
weeks[1]=1
weeks[2]=2
weeks[3]=3
weeks[4]=4
weeks[5]=5
weeks[6]=6
weeks[7]=7
weeks[8]=8
weeks[9]=9
weeks[10]=10
weeks[11]=11
weeks[12]=12
weeks[13]=13
weeks[14]=14
weeks[15]=15
weeks[16]=16
weeks[17]=17
weeks[18]=18

function setPeriod()
{
startdate=document.form1.starting.selectedIndex
start=weeks[startdate]


finishdate=document.form1.ending.selectedIndex
finish=weeks[finishdate]


period=eval(finish - start)
document.form1.Duration.value=(period)
}

minhol=new Array(20)
minhol[0]=0
minhol[1]=1
minhol[2]=1
minhol[3]=1
minhol[4]=1
minhol[5]=1
minhol[6]=1
minhol[7]=1
minhol[8]=1
minhol[9]=1
minhol[10]=1
minhol[11]=2
minhol[12]=2
minhol[13]=2
minhol[14]=2
minhol[15]=2
minhol[16]=2
minhol[17]=2
minhol[18]=1
minhol[19]=1


function setMinhol()
{
startdate=document.form1.starting.selectedIndex
start=minhol[startdate]
comp=document.form1.Duration.value
{
if(comp < start)
alert("Please check 'Starting and 'Ending' dates. See Note 2 above")
}
}