var dash="!!3!4!5!6!7!10!11!12!13!14!15!16!17!20!21!22!23!24!25!26!27!30".split("!");
var nominal="!!3/8!1/2!5/8!3/4!7/8!1!1-1/8!1-1/4!1-3/8!1-1/2!1-5/8!1-3/4!1-7/8!2!2-1/8!2-1/4!2-3/8!2-1/2!2-5/8!2-3/4!2-7/8!3".split("!");

var anbolts = "AN42B!AN43B!AN44!AN45!AN46".split("!");
var grips = new Array();

grips[0]="!!!1/8!1/4!3/8!1/2!5/8!3/4!7/8!1!1-1/8!1-1/4!1-3/8!1-1/2!1-5/8!1-3/4!1-7/8!2!2-1/8!2-1/4!2-3/8!2-1/2!2-5/8".split("!");
grips[1]="!!!1/16!3/16!5/16!7/16!9/16!11/16!13/16!15/16!1-1/16!1-3/16!1-5/16!1-7/16!1-9/16!1-11/16!1-13/16!1-15/16!2-1/16!2-3/16!2-5/16!2-7/16!2-9/16".split("!");
grips[2]="!!!!!!7/16!9/16!11/16!13/16!15/16!1-1/16!1-3/16!1-5/16!1-7/16!1-9/16!1-11/16!1-13/16!1-15/16!2-1/16".split("!");
grips[3]="!!!!!!7/16!9/16!11/16!13/16!15/16!1-1/16!1-3/16!1-5/16!1-7/16!1-9/16!1-11/16!1-13/16!1-15/16!2-1/16!2-3/16".split("!");
grips[4]="!!!!!!7/16!9/16!11/16!13/16!15/16!1-1/16!1-3/16!1-5/16!1-7/16!1-9/16!1-11/16!1-13/16!1-15/16!2-1/16!2-3/16".split("!");


function LoadList() {

  var i;
  var j;
  var s;
  var x;
  var size;

  size=document.sel.threads.options[document.sel.threads.options.selectedIndex].value; 
  for (i=0; i<document.sel.lenlist.length; i++)
    document.sel.lenlist.options[0]=null;

  document.sel.lenlist.options[0]=new Option();

  if (size==99) return;

  for (i=0,j=1; i<grips[size].length; i++) {
    if (grips[size][i].length > 0) {
      s="-"+dash[i]+" ("+nominal[i]+"\" nominal "+grips[size][i]+" grip)";
      document.sel.lenlist.options[j++]=new Option(s,i);
    }
  }
 
}

function GetBolt() {

  var pn;

  pn=anbolts[document.sel.threads.options[document.sel.threads.options.selectedIndex].value];

  pn=pn+"-"+dash[document.sel.lenlist.options[document.sel.lenlist.options.selectedIndex].value];
  if (!document.sel.drilledshank.checked) pn=pn+"A";

  document.order.p.value=pn;

}