//JavaScript Document
function MM_openBrWindow(theURL,winName,features) { //v2.0

  window.open(theURL,winName,features);

}



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;


  var total = parseInt(document.getElementById('large_es-ms_niv').value);

  total += parseInt(document.getElementById('large_es-ms_kjv').value);

  total += parseInt(document.getElementById('large_secondary_niv').value);
 
  total += parseInt(document.getElementById('large_secondary_kjv').value);

  total += parseInt(document.getElementById('small_niv').value);

  total += parseInt(document.getElementById('small_kjv').value);
  
  total += parseInt(document.getElementById('lesson_planner').value);
  
  total += parseInt(document.getElementById('gradebook').value);  
  
  total += parseInt(document.getElementById('primary_niv').value);

  if(total <= 0) {

  	errors += "- Please select a planner\n";

	document.getElementById('large_es-ms_niv').focus();

  }

  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 when trying to submit your order:\n'+errors);

  document.MM_returnValue = (errors == '');

}

//-->

function compute(form)

{
 var sh = new Array(2.50, 3.00, 3.50, 4.00, 4.50, 5.00, 5.50, 6.00, 6.50, 7.00);
 var shCharge;
 if(form.quantity.value > 10)
	shCharge = 8.50;
 else
	shCharge = sh[form.quantity.value];

 form.chargetotal.value = (form.quantity.value * 10) + shCharge + ".00";

}

function updateForm() {

	var checkbox = document.getElementById("bill_same_as_ship");

	var form = document.getElementById("myForm");
	
	if(checkbox.checked) {

		form.bfname.value = form.fname.value;

		form.blname.value = form.lname.value;		

		form.baddr1.value = form.addr1.value;

		form.bcity.value = form.city.value;

		form.bstate.value = form.state.value;

		form.bzip.value = form.zip.value;
		
	}

	else {

		form.bfname.value = '';

		form.blname.value = '';

		form.baddr1.value = '';

		form.bcity.value = '';

		form.bstate.value = '';

		form.bzip.value = '';



	}

}