function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}


function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}


function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}


function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}


function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}


function func_checkout() {
    var map_value = document.forms[0].elements[0].value;
    var art_value = document.forms[0].elements[1].value;
    var mapp_value = document.forms[0].elements[2].value;
    var pac1_value = document.forms[0].elements[3].value;
    var pac2_value = document.forms[0].elements[4].value;
    var query_string = 'map=' + map_value + '&art=' + art_value + '&mapp=' + mapp_value + '&pac1=' + pac1_value + '&pac2=' + pac2_value;
    var url = 'https://secure.forks-ny.com/forks-newyork/en/shop/fs_pop.php?' + query_string;
    var name = 'checkout';
    var features = 'status=yes,scrollbars=yes,top=0,left=0,width=480,height=690';
    popup = window.open(url,name,features);
    popup.focus();
}


function func_comm_round(x) {
  var k = (Math.round(x * 100) / 100).toString();
  k += (k.indexOf('.') == -1)? '.00' : '00';
  return k.substring(0, k.indexOf('.') + 3);
}


function func_recalculate() {
    var sum_map = document.form.pri_map.value * document.form.map.value;
    var sum_art = document.form.pri_art.value * document.form.art.value;
    var sum_mapp = document.form.pri_mapp.value * document.form.mapp.value;
    var sum_pac1 = document.form.pri_pac1.value * document.form.pac1.value;
    var sum_pac2 = document.form.pri_pac2.value * document.form.pac2.value;
    if (document.form.map.value > 0) {
        var des_map = document.form.map.value + ' x ' + document.form.des_map.value + '; ';
    } else { var des_map = ''; }
    if (document.form.art.value > 0) {
        var des_art = document.form.art.value + ' x ' + document.form.des_art.value + '; ';
    } else { var des_art = ''; }
    if (document.form.mapp.value > 0) {
        var des_mapp = document.form.mapp.value + ' x ' + document.form.des_mapp.value + '; ';
    } else { var des_mapp = ''; }
    if (document.form.pac1.value > 0) {
        var des_pac1 = document.form.pac1.value + ' x ' + document.form.des_pac1.value + '; ';
    } else { var des_pac1 = ''; }
    if (document.form.pac2.value > 0) {
        var des_pac2 = document.form.pac2.value + ' x ' + document.form.des_pac2.value + '; ';
    } else { var des_pac2 = ''; }
    var description = des_map + des_art + des_mapp + des_pac1 + des_pac2;
    var total = sum_map + sum_art + sum_mapp + sum_pac1 + sum_pac2;
    document.form.sum_map.value = func_comm_round(sum_map);
    document.form.sum_art.value = func_comm_round(sum_art);
    document.form.sum_mapp.value = func_comm_round(sum_mapp);
    document.form.sum_pac1.value = func_comm_round(sum_pac1);
    document.form.sum_pac2.value = func_comm_round(sum_pac2);
    document.form.total.value = func_comm_round(total);
    document.form.AMOUNT.value = func_comm_round(total);
    document.form.DESCRIPTION.value = description;
}


function func_goback() {
    document.form.action = 'checkout.php';
    document.form.submit();
}


function func_clear_fieldvalue(field_name) {
    if (document.form.elements[field_name].value == '0') {
        document.form.elements[field_name].value = '';
    }
}