function addField() {

	var counter = document.getElementById('counter');
	var count = counter.value;
	counter.value = ++count;
	
	var table = document.getElementById('prescriptions');
	var tbody = document.getElementById('prescriptions').getElementsByTagName('tbody')[0];
	var title = document.createTextNode('Rx Number ' + count + ': ');
	counter.value = ++count;

	var title2 = document.createTextNode('Rx Number ' + count + ': ');

	var textField = document.createElement('input');
	textField.setAttribute('type', 'text');
	//textField.setAttribute('name', 'rxNumbers[]');
    textField.name = 'rxNumbers[]';
  	
	var textField2 = document.createElement('input');
    textField2.setAttribute('type', 'text');
    //textField2.setAttribute('name', 'rxNumbers[]');
    textField2.name = 'rxNumbers[]';
  
   var style= document.createElement ('style');
   style.setAttribute ('class','field');

   var cell = document.createElement('td');
   cell.appendChild(style);
   cell.appendChild(title);
   cell.appendChild(textField);

   //var cell2 = document.createElement('td');
   //cell2.appendChild(title2);
   //cell2.appendChild(textField2);
   
   var row = document.createElement('tr');
   table.appendChild(tbody);
   tbody.appendChild(row);
   row.appendChild(cell);
   //row.appendChild(cell2);
}

function clearForm() {
	var table = document.getElementById('prescriptions');
    var tbody = document.getElementById('prescriptions').getElementsByTagName('tbody')[0];
    var i = tbody.getElementsByTagName('tr').length;
    while (i > 2) {
	    tbody.deleteRow(i - 1);
        i = tbody.getElementsByTagName('tr').length;
    }
    
	var counter = document.getElementById('counter');
    counter.value = 2;
}

function validate_form ( )
{
	valid = true;
	if ( document.tform.RX_Number_1.value == "" )
	{
		alert ( "You must enter at least one RX Number." );
		valid = false;
	}
	
	if ( document.tform.easy_open_lid.value == "" )
	{
		alert ( "Please fill in whether or not you want an easy open lid." );
		valid = false;
	}
	if ( document.tform.delivery_method.value == "" )
	{
		alert ( "Please fill in your delivery method." );
		valid = false;
	}
    if ( document.tform.name.value == "" )
    {
		alert ( "Please fill in your full name." );
		valid = false;
	}
    if ( document.tform.address.value == "" )
    {
		alert ( "Please fill in your address." );
		valid = false;
	}
	if ( document.tform.phone.value == "" )
	{
		alert ( "Please fill in your phone number." );
		valid = false;
	}


	return valid;
}