/******************************************************************************
Name:    Shop Javascript ausgelagert

Externe JavaScript File from Mathias Gottensträter

******************************************************************************/

function check_form() {
  var error_message = unescape("<?php echo xtc_js_lang(JS_ERROR); ?>");
  var error_found = false;
  var error_field;
  var keywords = document.getElementById("advanced_search").keywords.value;
  var pfrom = document.getElementById("advanced_search").pfrom.value;
  var pto = document.getElementById("advanced_search").pto.value;
  var pfrom_float;
  var pto_float;

  if ( (keywords == '' || keywords.length < 1) && (pfrom == '' || pfrom.length < 1) && (pto == '' || pto.length < 1) ) {
    error_message = error_message + unescape("<?php echo xtc_js_lang(JS_AT_LEAST_ONE_INPUT); ?>");
    error_field = document.getElementById("advanced_search").keywords;
    error_found = true;
  }

  if (pfrom.length > 0) {
    pfrom_float = parseFloat(pfrom);
    if (isNaN(pfrom_float)) {
      error_message = error_message + unescape("<?php echo xtc_js_lang(JS_PRICE_FROM_MUST_BE_NUM); ?>");
      error_field = document.getElementById("advanced_search").pfrom;
      error_found = true;
    }
  } else {
    pfrom_float = 0;
  }

  if (pto.length > 0) {
    pto_float = parseFloat(pto);
    if (isNaN(pto_float)) {
      error_message = error_message + unescape("<?php echo xtc_js_lang(JS_PRICE_TO_MUST_BE_NUM); ?>");
      error_field = document.getElementById("advanced_search").pto;
      error_found = true;
    }
  } else {
    pto_float = 0;
  }

  if ( (pfrom.length > 0) && (pto.length > 0) ) {
    if ( (!isNaN(pfrom_float)) && (!isNaN(pto_float)) && (pto_float < pfrom_float) ) {
      error_message = error_message + unescape("<?php echo xtc_js_lang(JS_PRICE_TO_LESS_THAN_PRICE_FROM); ?>");
      error_field = document.getElementById("advanced_search").pto;
      error_found = true;
    }
  }

  if (error_found == true) {
    alert(error_message);
    error_field.focus();
    return false;
  }
}

function popupWindow(url) {
  window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,??????????A
?width=450,height=280,screenX=150,screenY=150,top=150,left=150')
}