// JScript File
<!--
/*
Common routines for the website
*/

function CalculateTotal() {
  var prodorder_total = 0;
  var lamborder_total = 0;
  var lamblongreachorder_total = 0;
  var beeforder_total = 0;
  var beeflongreachorder_total = 0;
  var bonesorder_total = 0;
  var beefminceorder_total = 0;
  var lambminceorder_total = 0;
  var order_total = 0;
  var frm = document.Form1;

  // Run through all the form fields
  for (var i=0; i < frm.elements.length; ++i) {

    // Get the current field
    form_field = frm.elements[i];

    // Get the field's name
    form_name = form_field.id;

    // Is it a "product" field?
    if (form_name.substring(0,11) == "txtProduct_") {

      // If so, extract the price from the name
      proditem_price = eval('prodPrice_' + form_name.substring(form_name.lastIndexOf("_") + 1));

      // Get the quantity
      proditem_quantity = parseInt(form_field.value);

      // Update the product total
      if (proditem_quantity >= 0) {
        document.getElementById('txtProductTotal_'+form_name.substring(form_name.lastIndexOf("_") + 1)).value = '$'+round_decimals(proditem_quantity * proditem_price, 2);
        prodorder_total += (proditem_quantity * proditem_price);
      }else{
        if(form_field.value.length > 0){
          alert('Please enter only a number');   
          form_field.value = "";
          form_field.focus();
        }
      }

    }
  }
  //write the final total
  document.getElementById('txtProductTotal').value = round_decimals(prodorder_total, 2);
}

function round_decimals(original_number, decimals) {
    var result1 = original_number * Math.pow(10, decimals)
    var result2 = Math.round(result1)
    var result3 = result2 / Math.pow(10, decimals)
    return pad_with_zeros(result3, decimals)
}

function pad_with_zeros(rounded_value, decimal_places) {

    // Convert the number to a string
    var value_string = rounded_value.toString()
    
    // Locate the decimal point
    var decimal_location = value_string.indexOf(".")

    // Is there a decimal point?
    if (decimal_location == -1) {
        
        // If no, then all decimal places will be padded with 0s
        decimal_part_length = 0
        
        // If decimal_places is greater than zero, tack on a decimal point
        value_string += decimal_places > 0 ? "." : ""
    }
    else {

        // If yes, then only the extra decimal places will be padded with 0s
        decimal_part_length = value_string.length - decimal_location - 1
    }
    
    // Calculate the number of decimal places that need to be padded with 0s
    var pad_total = decimal_places - decimal_part_length
    
    if (pad_total > 0) {
        
        // Pad the string with 0s
        for (var counter = 1; counter <= pad_total; counter++) 
            value_string += "0"
        }
    return value_string
}

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_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


function trim(str) {
  //trim leading a trailing spaces from a string
  return str.replace(/^\s+|\s+$/g,"");
}  
//-->