function f_unfocus(){
document.myform.square.focus();
}


function camkulator(){

var momsaxureba=new Array(27);

momsaxureba[0]=0.85;
momsaxureba[1]=3;
momsaxureba[2]=3.2;
momsaxureba[3]=1.6;
momsaxureba[4]=1.8;
momsaxureba[5]=2.4;
momsaxureba[6]=1;
momsaxureba[7]=1.7;
momsaxureba[8]=1.7;
momsaxureba[9]=1.8;
momsaxureba[10]=1.7;
momsaxureba[11]=32;
momsaxureba[12]=1.8;
momsaxureba[13]=1.7;
momsaxureba[14]=32;
momsaxureba[15]=1;
momsaxureba[16]=1.6;
momsaxureba[17]=1;
momsaxureba[18]=1;
momsaxureba[19]=1.2;
momsaxureba[20]=1;
momsaxureba[21]=1;
momsaxureba[22]=1.3;
momsaxureba[23]=1.2;
momsaxureba[24]=1.2;
momsaxureba[25]=1.8;
momsaxureba[26]=1;


momsaxurebis_tipi=document.myform.type.options[document.myform.type.options.selectedIndex].value;
var meters=document.myform.square.value;


if(isNaN(document.myform.square.value)==true){
   alert("Enter only digits 1-10 in meters!");
   document.myform.square.focus();
   return false;
}


if(meters==""){
  meters=1;
  document.myform.square.value=1;
}

var girebuleba=momsaxureba[momsaxurebis_tipi];
var sum=girebuleba*meters;
sum=Math.round(sum*100)/100;

document.myform.sum.value=sum+" ლარი";
return false;
}