// Load a page in a new window and set a hidden value to be equal to the parameter passed in the function.
function advance(object_name)
{
   field = this.document.getElementById(object_name);

   if(field.value.length >= 3)
   {
      if(object_name == 'area_code')
      {
         this.document.getElementById('exchange').focus();
      }
      else if(object_name == 'exchange')
      {
         this.document.getElementById('number').focus();
      }
   }

   return;
}

function add_row()
{
   var entries             = this.document.getElementById('entries');
   var counter             = this.document.getElementById('counter').value;

   var new_entry           = entries.insertRow(counter);
   counter++;
   new_entry.innerHTML     = "<td><input type='text' size='5' maxlength='10' name='date" + counter + "' id='date" + counter + "' class='date'></td><td><input type='text' size='6' maxlength='9' name='ticket" + counter + "' id='ticket" + counter + "'></td><td><input type='text' size='10' maxlength='40' name='customer" + counter + "' id='customer" + counter + "'></td><td><select name='type" + counter + "' id='type" + counter + "'><option value='MAC'>MAC</option><option value='SVC'>SVC</option></select></td><td><input type='text' size='2' maxlength='5' name='rhrs" + counter + "' id='rhrs" + counter + "'></td><td><input type='text' size='2' maxlength='5' name='rpw" + counter + "' id='rpw" + counter + "'></td><td><input type='text' size='2' maxlength='5' name='rtrv" + counter + "' id='rtrv" + counter + "'></td><td><input type='text' size='2' maxlength='5' name='rtrng" + counter + "' id='rtrng" + counter + "'></td><td><input type='text' size='2' maxlength='5' name='ohrs" + counter + "' id='ohrs" + counter + "'></td><td><input type='text' size='2' maxlength='5' name='opw" + counter + "' id='opw" + counter + "'></td><td><input type='text' size='2' maxlength='5' name='otrv" + counter + "' id='otrv" + counter + "'></td><td><input type='text' size='2' maxlength='5' name='dhrs" + counter + "' id='dhrs" + counter + "'></td><td><input type='text' size='2' maxlength='5' name='dpw" + counter + "' id='dpw" + counter + "'></td><td><input type='text' size='2' maxlength='5' name='dtrv" + counter + "' id='dtrv" + counter + "'></td>";

   this.document.getElementById('counter').value = counter;

   return;
}