// JavaScript Document
var sStrap1Amount=0, sStrap2Amount=0, sStrap3Amount=0, sStrap4Amount=0, sStrap5Amount=0;
var sFreight=0, sSubTotal=0, sTotal=0;

/*****************
** Add a decimal point to a number
*/
function AddDecimal(number) {
  var withdecimal = "";
  var num = "" + number;
  if (num.length == 0) {
    withdecimal += "0";
  } else if (num.length == 1) {
    withdecimal += "0.0" + num;
  } else if (num.length == 2) {
    withdecimal += "0." + num;
  } else {
  withdecimal += num.substring(0, num.length - 2);
  withdecimal += "."
  withdecimal += num.substring(num.length - 2, num.length);
  }
  return withdecimal;
}

function compute(form)
{
 sStrap1Amount=Math.round(form.Strap_1_Size.value);
 sStrap2Amount=Math.round(form.Strap_2_Size.value);
 sStrap3Amount=Math.round(form.Strap_3_Size.value);
 sStrap4Amount=Math.round(form.Strap_4_Size.value);
 sStrap5Amount=Math.round(form.Strap_5_Size.value);
 sFreight=Math.round(form.Freight.value);

 if (((sStrap1Amount!=0) && (sStrap1Amount!=3600) && (sStrap1Amount!=3800)) && ((sStrap2Amount!=0) && (sStrap2Amount!=3600) && (sStrap2Amount!=3800)) && ((sStrap3Amount!=0) && (sStrap3Amount!=3600) && (sStrap3Amount!=3800)) && ((sStrap4Amount!=0) && (sStrap4Amount!=3600) && (sStrap4Amount!=3800)) && ((sStrap5Amount!=0) && (sStrap5Amount!=3600) && (sStrap5Amount!=3800)))
   sSubTotal=sStrap1Amount+sStrap2Amount+sStrap3Amount+sStrap4Amount+sStrap5Amount;
 else
    sSubTotal=sStrap1Amount+sStrap2Amount+sStrap3Amount+sStrap4Amount+sStrap5Amount;

 if ((sSubTotal==0) || (sSubTotal==""))
  {form.SubTotal.value="";
   form.OrderTotal.value="";
  }
 else
 {form.SubTotal.value=AddDecimal(sSubTotal);
  if (sFreight==0)
	  form.OrderTotal.value="Email";
  else
	  form.OrderTotal.value=AddDecimal(sSubTotal+sFreight);
  }

}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}