function onlyNum()

{

 if ( !(window.event.keyCode >= 48 && window.event.keyCode <= 57) )

 {

  window.event.keyCode = 0 ;

 }

}

Itemarray=new Array(new Array(1, 0, 0),new Array(2, 0, 1),new Array(3, 0, 1),new Array(4, 0, 1),new Array(5, 0, 1),new Array(6,0,1),
new Array(7, 2, 2),new Array(8, 2, 2),new Array(9,2, 2),new Array(10, 2, 1),new Array(11, 1, 1),new Array(12, 1, 2),new Array(13, 1,2), new Array(14, 2, 2),new Array(15, 2, 2),new Array(16, 2, 2),new Array(17, 2, 3),new Array(18, 2, 1),new Array(19, 2, 0),new Array(20, 3, 1), new Array(21, 4, -1),new Array(22, 2, -1),new Array(23, 2, -1),new Array(24, 2, -3),new Array(25, 2, -3),new Array(26, 2, -2),new Array(27, 3, -3), new Array(28, 3, -2),new Array(29, 3, -2),new Array(30, 3, -2),new Array(31, 4, -1),new Array(32, 4, 0),new Array(33, 4, 0),new Array(34, 5, 1), new Array(35, 5, 3),new Array(36, 6, 4),new Array(37, 6, 4),new Array(38, 6, 4),new Array(39, 6, 4),new Array(40, 6, 5),new Array(41, 4, 5), new Array(42, 4, 4),new Array(43, 4, 3),new Array(44, 4, 3),new Array(45, 4, 3),new Array(46, 4, 1),new Array(47, 4, 1),new Array(48, 4, 1), new Array(49, 4, 1),new Array(50, 4, 1),new Array(51, 5, 0),new Array(52, 5, -1),new Array(53, 5, -1),new Array(54, 5, -2),new Array(55, 6, -3), new Array(56, 6, -4),new Array(57, 6, -6),new Array(58, 6, -6),new Array(59, 6, -7),new Array(60, 7, -9),new Array(61, 15, -12),new Array(62, 15, -8), new Array(63, 15, -5),new Array(64, 15, -3),new Array(65, 15, -1),new Array(66, 15, -6),new Array(67, 15, -10),new Array(68, 15, -14),new Array(69, 15, -25),new Array(70, 15, -37));

 

 function activate(form)

 {

	document.thisformonly.Submit2.disabled="";

  var beginlevel = document.thisformonly.beginlevel.value;

  var endlevel = document.thisformonly.endlevel.value;

  if ((beginlevel == "") | (endlevel == "")) {alert("please enter your start and target level");return false;}

  beginlevel = beginlevel*1;

  endlevel = endlevel*1; // convert string to number

  if (beginlevel  > endlevel){alert("Target level must be greater than start level.");return false;}

  if ( endlevel  > 70 ){alert("Your levels must be between 1 and 70.");return false;}

  var price = 0;

  var totalHours = 0;

  var cjia=0;

  for (var i=0;i<Itemarray.length;i++)

  {

   if ((Itemarray[i][0]  > beginlevel  )&(Itemarray[i][0]  <= endlevel ))

   {

    

    totalHours = totalHours + Itemarray[i][1];

	//cjia=Itemarray[i][2];

   }

   if (Itemarray[i][0]  > endlevel ){i=Itemarray.length;}

  }

  price=totalHours*0.32;
  
  price=Math.round(price*100)/100;

  document.thisformonly.price.value  =  price;

  document.thisformonly.totaltime.value = totalHours;

  

  

 }

         function FORM1_onsubmit1()

{





if (document.thisformonly.price.value=="")

	{

		alert("Do Estimate first then you can make an order!");

		document.thisformonly.price.focus();

		return false;

	}



}



function order_change()

{

document.thisformonly.Submit2.disabled="disabled";

	

	

}