function setVal() {
  dz=document.form.duration.options[document.form.duration.selectedIndex].value;


  dollarconv=document.form.dollareuro.value;
  poundeuro=document.form.poundeuro.value;
  lang=document.form.lang.value;
  arrivalday=document.form.arrivalday.options[document.form.arrivalday.selectedIndex].value;
  arrivalmonth=document.form.arrivalmonth.options[document.form.arrivalmonth.selectedIndex].value;
  arrivalyear=document.form.arrivalyear.options[document.form.arrivalyear.selectedIndex].value;
  
sofaaa = 0
sofaroomtext = ""; 

if (document.form.sofa[0].checked)
{sofaaa = 0

if (lang == "eng")
{sofaroomtext = "Arenal 1 without sofa bed";}
if (lang == "span")
{sofaroomtext = "Arenal 1 sin sofá cama";}
}

if (document.form.sofa[1].checked)
{sofaaa = 1

if (lang == "eng")
{sofaroomtext = "Arenal 1 with sofa bed for 1 person";}
if (lang == "span")
{sofaroomtext = "Arenal 1 con sofá cama para 1 persona";}

}

if (document.form.sofa[2].checked)
{sofaaa = 2

if (lang == "eng")
{sofaroomtext = "Arenal 1 with sofa bed for 2 people";}
if (lang == "span")
{sofaroomtext = "Arenal 1 con sofá cama para 2 personas";}

}



sstemp = new Date(arrivalyear,arrivalmonth-1,arrivalday);
ss = sstemp.getTime();

hma = "0";
sofatext = "";

if (lang == "eng")
{sofatext = "The sofa bed is only available in the Arenal 1 Apartment.";}
if (lang == "span")
{sofatext = "El sofá cama sólo está disponible en el Apartamento Arenal 1.";}


arenal1check = "0";
if (document.form.arenal1.checked)
{arenal1check = 1}

arenal2check = "0";
if (document.form.arenal2.checked)
{arenal2check = 1}


if(sofaaa > 0 && arenal1check == 0)
{window.alert(sofatext)}

arenal1 = "" ;
hma = 0; 
maxarenal1 = 0;
if (document.form.arenal1.checked)
{arenal1 = " Arenal 1 ";
hma = hma + 1;
maxarenal1 = 2 + sofaaa;}

arenal2 = "" ;
maxarenal2 = 0;
if (document.form.arenal2.checked)
{arenal2 = " Arenal 2";
hma = hma + 1;
maxarenal2 = 2;}




howmanyap = hma;

if (document.form.arenal1.checked)
{
maxarenal1 = 2 + sofaaa;
arenal1 = sofaroomtext}

numberofpeople = maxarenal1 + maxarenal2;

andtext = "";

if (lang == "eng")
{and_y = " and";}
if (lang == "span")
{and_y = " y";}

if (document.form.arenal1.checked && document.form.arenal2.checked)
{andtext = and_y;}

room = "";
room = arenal1 + andtext + arenal2; 
 
var d = new Date()
secs=d.getTime()
secss=("" + secs)
stamp=secss.substr(0,10)



//////////////////////////////////////////////////////////////

//ARENAL 1 PRICE 

arenal_oneprice= "0";

if (sofaaa == 0)
{a1mz = 2}
if (sofaaa == 1)
{a1mz = 3}
if (sofaaa == 2)
{a1mz = 4}


//1 or 2 PAX
if (dz < 31 && a1mz < 3)
{arenal_oneprice = dz * 60}

if (dz < 16 && a1mz < 3)
{arenal_oneprice = dz * 60}

if (dz < 11 && a1mz < 3)
{arenal_oneprice = dz * 60}

if (dz < 6 && a1mz < 3)
{arenal_oneprice = dz * 60}



// 3 PAX

if (dz < 31 && a1mz == 3)
{arenal_oneprice = dz * 90}

if (dz < 16 && a1mz == 3)
{arenal_oneprice = dz * 90}

if (dz < 11 && a1mz == 3)
{arenal_oneprice = dz * 90}

if (dz < 6 && a1mz == 3)
{arenal_oneprice = dz * 90}


// 4 PAX

if (dz < 31 && a1mz == 4)
{arenal_oneprice = dz * 100}

if (dz < 16 && a1mz == 4)
{arenal_oneprice = dz * 100}

if (dz < 11 && a1mz == 4)
{arenal_oneprice = dz * 100}

if (dz < 6 && a1mz == 4)
{arenal_oneprice = dz * 100}

//ARENAL 1 arenal_oneprice END 



//ARENAL 2 arenal_twoprice 

arenal_twoprice= "0";


//1 or 2 PAX
if (dz < 31 )
{arenal_twoprice = dz * 55}

if (dz < 16 )
{arenal_twoprice = dz * 55}

if (dz < 11 )
{arenal_twoprice = dz * 55}

if (dz < 6)
{arenal_twoprice = dz * 55}

//ARENAL 2 arenal_twoprice END 

///////////////////////////////////////////////////////////////

if (arenal1check != 1)
{arenal_oneprice = 0}

if (arenal2check != 1)
{arenal_twoprice = 0}


price = (arenal_oneprice + arenal_twoprice) 

fullprices = price;


holidaydates(dz,fullprices,ss)
fullprices = fullprices + holsup;

fianth = fullprices/4;
if (fianth < 51 )
{fianth = 50}
dollars= fullprices*dollarconv; 
pounds= fullprices*poundeuro; 
fianza=fianth;
pricepn = fullprices/dz;
pesetass = fullprices*166.386;
restante = fullprices - fianth;


ppppn = pricepn/numberofpeople;



document.form.id.value=+stamp;
document.form.fullprice.value=Math.round(+fullprices*100)/100;
document.form.pounds.value=Math.round(+pounds*100)/100;
document.form.dollars.value=Math.round(+dollars*100)/100;
document.form.deposit.value=Math.round(+fianza*100)/100;
document.form.ppn.value=Math.round(+pricepn*100)/100;
document.form.ppppn.value=Math.round(+ppppn*100)/100;
document.form.numberofpeople.value=numberofpeople;
document.form.room.value=room;
document.form.howmanyap.value=howmanyap;
document.form.holsupdays.value=holsupdays;
document.form.holsup.value=holsup;


}