function chp(){
	var f = document.getElementById('paramselect');
	if (f){	f.submit();	}
	return false;
}
function view_basket( view ) {
  var bc = AJS.getElement('basket-con');
  if(!bc)
    return;
  if( view && bc.innerHTML!='' ) {
    AJS.setStyle(bc, 'display', 'block');
  } else {
    AJS.setStyle(bc, 'display', 'none');
  }
}

function view_addmsg( msg_box ) {
  var mb = AJS.$("messageBox");
  var size = AJS.getWindowSize();

  AJS.RCN(mb, AJS.HTML2DOM(msg_box) );

  var top = (size.h-250)/2;
  if( top < 0 )
    top = 0;

  var left = (size.w-404)/2;
  if( left < 0 )
    left = 0;

  AJS.setTop(mb, top);
  AJS.setLeft(mb, left);
  AJS.setStyle(mb, 'display', 'block');
  window.setTimeout( function() { AJS.setStyle(mb, 'display', 'none'); }, 10000 );
}

function add_basket( item_code ) {
 var d = AJS.loadJSONDoc('/execute.php');
 d.addCallback(function(o, req) {
   if (o.err == '0') {
     AJS.RCN(AJS.getElement('basketIn'), AJS.HTML2DOM(o.pb) );
     AJS.RCN(AJS.getElement('basket-con'), AJS.HTML2DOM(o.cb) );
     view_addmsg( o.msgbox );
   } else {
     alert(o.err_txt);
   }
 });
 d.addErrback(function(o, req) { alert("Nastala chyba při vkládání do košíku") })

 var order_num = AJS.$f( AJS.$('order'), 'q_'+ item_code ).value;
 d.sendReq({run: 'add_basket', item: item_code, num: order_num});
 return false;
}

function basketcount(row, change) {

    var input = AJS.$f('order', row);
    var curCount = input.value;
    curCount = parseFloat(curCount.toString().replace(",", "."));

    var newCount = curCount + change;

    if (newCount < 1) { return false; }

    input.value = newCount;

    return true;
}

function chview(name){

  checkbox = AJS.getElement('ch'+name);
	if( checkbox.checked==false ) {
		AJS.setStyle(AJS.getElement(name), 'display', 'none');
  }
	else {
    AJS.setStyle(AJS.getElement(name), 'display', 'block');
  }
  return true;
}

function get_cookie(c_name) {
  if (document.cookie.length > 0) {
    c_start = document.cookie.indexOf(c_name + "=");
    if (c_start != -1) {
      c_start = c_start + c_name.length + 1;
      c_end = document.cookie.indexOf(";", c_start);
      if (c_end == -1)
        c_end = document.cookie.length;
      return unescape(document.cookie.substring(c_start, c_end));
    }
  }
  return "";
}

function copy_basket() {
  var form_lang = AJS.$('chlang');
  AJS.$f( form_lang, 'fb' ).value = get_cookie( 'basket' );
  AJS.$f( form_lang, 'os' ).value = get_cookie( 'order_set' );
  form_lang.submit();
  return false;
}