function GetByID(a) {
x = (document.all) ? document.all[a] : document.getElementById(a);
return x;
}

function SetActiveMenu() {

var x = GetByID('ActiveMenu');
var y = GetByID(x.content);
y.className = 'active';

}

function calculateprice() {
var p1=0;
var p2=0;
var p3=0;
var p4=0;
var p5=0;
var p6=0;
var p7=0;
var p9=0;
var p8="";
var p10=0;

 var x1 = GetByID('cord');

if(x1) {
p1 = x1[x1.selectedIndex].value;
};

 var x2 = GetByID('pb250hzproblue');

if(x2) {
p2 = x2[x2.selectedIndex].value;
};

 var x10 = GetByID('pbsignature');

if(x10) {
p10 = x10[x10.selectedIndex].value;
};

var x9 = GetByID('pb250hzproamber');
if(x9) {
p9 = x9[x9.selectedIndex].value;
};
 

var x3 = GetByID('neonprored');

if(x3) {
p3 = x3[x3.selectedIndex].value;
};

var x4 = GetByID('neonprogreen');

if(x4) {
p4 = x4[x4.selectedIndex].value;
};

var x5 = GetByID('neonproblue');

if(x5) {
p5 = x5[x5.selectedIndex].value;
};

var x6 = GetByID('techno');
if(x6) {
p6 = x6[x6.selectedIndex].value;
};

var x7 = GetByID('metal');

if(x7) {
p7 = x7[x7.selectedIndex].value;
};

var x8 = GetByID('delivery');

if(x8) {
p8 = x8[x8.selectedIndex].value;
};
// var price = (document.all) ? document.all["dprice"] : document.getElementById("dprice");
 
 var num = p1*cord + (p2*1+p9*1)*pb250hzpro + (p3*1+p4*1+p5*1)*neonpro + p6*techno + p7*metal+p10*signature;

// стоимость доставки
if (num>0) {
//if (p8=="order" || p8=="post") num+=200;
if (p8=="postall") num+=400*(p2*1+p3*1+p4*1+p5*1+p6*1+p7*1+p9*1+p10*1);
};

document.mainform.dprice.value= num + " руб.";

var converted = Math.round(100*(num/usd))/100;
document.mainform.merch_amount.value=converted;
document.mainform.usd.value=converted;

if ( p8 == 'order' ) { x8 = 'order1.php';}
if ( p8 == 'postall' || p8 =='post' ) { x8 = 'order1.php';}

document.mainform.action=x8;

if ( p8 == 'order' ) {document.mainform.submit.value='Отправить заказ';} else {document.mainform.submit.value='Отправить заказ';}

}


function checkform()
{
  if ( (document.mainform.MERCH_EMAIL.value == null) || (document.mainform.MERCH_EMAIL.value.length < 2) )
  {
    alert("Заполните поле: Ваш email");
    document.mainform.MERCH_EMAIL.focus();
    return false;
  }

if (! (/^([\w-~_]+\.)*[\w-~_]+@([\w-_]+\.){1,3}\w{2,3}$/.test(document.mainform.MERCH_EMAIL.value)) )
  {
    alert("Введите правильный email адрес");
    document.mainform.MERCH_EMAIL.focus();
    var x = GetByID('MERCH_EMAIL');
    x.style.borderColor = 'red';
    return false;
  } 

  if ( (document.mainform.MERCH_FIO.value == null) || (document.mainform.MERCH_FIO.value.length < 2) )
  {
    alert("Напишите Ваше Имя");
    document.mainform.MERCH_FIO.focus();
    var x = GetByID('MERCH_FIO');
    x.style.borderColor = 'red';
    return false;
  }

if ( (document.mainform.MERCH_AMOUNT.value == null) || (document.mainform.MERCH_AMOUNT.value == 0) )
  {
    alert("Вы не выбрали ни одного товара");
    return false;
  }
  calculateprice();
  return true;
}