// ------------------------------------------------------------------------
// Copyright (c) 2008-2009, J. Clubb. All rights reserved.
// ------------------------------------------------------------------------
var weighting={"shingle_large":{"tonnes":1.65},"shingle_small":{"tonnes":1.7},"ballast":{"tonnes":1.75},"scalpings":{"tonnes":1.95},"sand":{"tonnes":1.6}};
function getType(){
var _10=null;
var _11=document.forms[0];
for(var i=0;i<_11.type.length;i++){
if(_11.type[i].checked){
_10=_11.type[i].value;
break;
}
}
return _10;
}
function validateType(_13){
var _14=true;
var _15=document.getElementById("error_type");
if(_13==null){
_14=false;
_15.innerHTML="Please select a type";
}else{
_15.innerHTML="";
}
return _14;
}
function run(){
formatInputFields();
var _16=getType();
var _17=validateInputFields();
var _18=validateType(_16);
if(!(_17&&_18)){
setErrorFocus();
return false;
}
var _19=0;
var res=document.getElementById("amount");
var _1b=getInputFields();
var _1c=1;
for(var i=0;i<_1b.length;i++){
var _1e=_1b[i];
_1c*=stripCommas(_1e.value);
}
_1c=_1c*weighting[_16].tonnes;
_1c=Math.ceil(_1c);
res.value=formatNumber(_1c,_19);
return false;
}