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

  if ( ((keywords == '') || (keywords.length < 1)) && ((dfrom == '') || (dfrom == '<?php echo DOB_FORMAT_STRING; ?>') || (dfrom.length < 1)) && ((dto == '') || (dto == '<?php echo DOB_FORMAT_STRING; ?>') || (dto.length < 1)) && ((pfrom == '') || (pfrom.length < 1)) && ((pto == '') || (pto.length < 1)) ) {
    error_message = error_message + "* <?php echo ERROR_AT_LEAST_ONE_INPUT; ?>\n";
    error_field = document.advanced_search.keywords;
    error_found = true;
  }

  if ((dfrom.length > 0) && (dfrom != '<?php echo DOB_FORMAT_STRING; ?>')) {
    if (!IsValidDate(dfrom, '<?php echo DOB_FORMAT_STRING; ?>')) {
      error_message = error_message + "* <?php echo ERROR_INVALID_FROM_DATE; ?>\n";
      error_field = document.advanced_search.dfrom;
      error_found = true;
    }
  }

  if ((dto.length > 0) && (dto != '<?php echo DOB_FORMAT_STRING; ?>')) {
    if (!IsValidDate(dto, '<?php echo DOB_FORMAT_STRING; ?>')) {
      error_message = error_message + "* <?php echo ERROR_INVALID_TO_DATE; ?>\n";
      error_field = document.advanced_search.dto;
      error_found = true;
    }
  }

  if ((dfrom.length > 0) && (dfrom != '<?php echo DOB_FORMAT_STRING; ?>') && (IsValidDate(dfrom, '<?php echo DOB_FORMAT_STRING; ?>')) && (dto.length > 0) && (dto != '<?php echo DOB_FORMAT_STRING; ?>') && (IsValidDate(dto, '<?php echo DOB_FORMAT_STRING; ?>'))) {
    if (!CheckDateRange(document.advanced_search.dfrom, document.advanced_search.dto)) {
      error_message = error_message + "* <?php echo ERROR_TO_DATE_LESS_THAN_FROM_DATE; ?>\n";
      error_field = document.advanced_search.dto;
      error_found = true;
    }
  }

  if (pfrom.length > 0) {
    pfrom_float = parseFloat(pfrom);
    if (isNaN(pfrom_float)) {
      error_message = error_message + "* <?php echo ERROR_PRICE_FROM_MUST_BE_NUM; ?>\n";
      error_field = document.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 + "* <?php echo ERROR_PRICE_TO_MUST_BE_NUM; ?>\n";
      error_field = document.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 + "* <?php echo ERROR_PRICE_TO_LESS_THAN_PRICE_FROM; ?>\n";
      error_field = document.advanced_search.pto;
      error_found = true;
    }
  }

  if (error_found == true) {
    alert(error_message);
    error_field.focus();
    return false;
  } else {
    RemoveFormatString(document.advanced_search.dfrom, "<?php echo DOB_FORMAT_STRING; ?>");
    RemoveFormatString(document.advanced_search.dto, "<?php echo DOB_FORMAT_STRING; ?>");
    return true;
  }
}

var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = "="; /* base-64 pad character. "=" for strict RFC compliance   */
var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */

function hexit(s){ return binl2hex(coreit(str2binl(s), s.length * chrsz));}
function strit(s){ return binl2str(coreit(str2binl(s), s.length * chrsz));}

function binl2hex(binarray)
{
  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i++)
  {
    str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
           hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);
  }
  return str;
}

function coreit(x, len)
{
  /* append padding */
  x[len >> 5] |= 0x80 << ((len) % 32);
  x[(((len + 64) >>> 9) << 4) + 14] = len;

  var a =  1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d =  271733878;

  for(var i = 0; i < x.length; i += 16)
  {
    var olda = a;
    var oldb = b;
    var oldc = c;
    var oldd = d;

    a = itff(a, b, c, d, x[i+ 0], 7 , -680876936);
    d = itff(d, a, b, c, x[i+ 1], 12, -389564586);
    c = itff(c, d, a, b, x[i+ 2], 17,  606105819);
    b = itff(b, c, d, a, x[i+ 3], 22, -1044525330);
    a = itff(a, b, c, d, x[i+ 4], 7 , -176418897);
    d = itff(d, a, b, c, x[i+ 5], 12,  1200080426);
    c = itff(c, d, a, b, x[i+ 6], 17, -1473231341);
    b = itff(b, c, d, a, x[i+ 7], 22, -45705983);
    a = itff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
    d = itff(d, a, b, c, x[i+ 9], 12, -1958414417);
    c = itff(c, d, a, b, x[i+10], 17, -42063);
    b = itff(b, c, d, a, x[i+11], 22, -1990404162);
    a = itff(a, b, c, d, x[i+12], 7 ,  1804603682);
    d = itff(d, a, b, c, x[i+13], 12, -40341101);
    c = itff(c, d, a, b, x[i+14], 17, -1502002290);
    b = itff(b, c, d, a, x[i+15], 22,  1236535329);

    a = itgg(a, b, c, d, x[i+ 1], 5 , -165796510);
    d = itgg(d, a, b, c, x[i+ 6], 9 , -1069501632);
    c = itgg(c, d, a, b, x[i+11], 14,  643717713);
    b = itgg(b, c, d, a, x[i+ 0], 20, -373897302);
    a = itgg(a, b, c, d, x[i+ 5], 5 , -701558691);
    d = itgg(d, a, b, c, x[i+10], 9 ,  38016083);
    c = itgg(c, d, a, b, x[i+15], 14, -660478335);
    b = itgg(b, c, d, a, x[i+ 4], 20, -405537848);
    a = itgg(a, b, c, d, x[i+ 9], 5 ,  568446438);
    d = itgg(d, a, b, c, x[i+14], 9 , -1019803690);
    c = itgg(c, d, a, b, x[i+ 3], 14, -187363961);
    b = itgg(b, c, d, a, x[i+ 8], 20,  1163531501);
    a = itgg(a, b, c, d, x[i+13], 5 , -1444681467);
    d = itgg(d, a, b, c, x[i+ 2], 9 , -51403784);
    c = itgg(c, d, a, b, x[i+ 7], 14,  1735328473);
    b = itgg(b, c, d, a, x[i+12], 20, -1926607734);

    a = ithh(a, b, c, d, x[i+ 5], 4 , -378558);
    d = ithh(d, a, b, c, x[i+ 8], 11, -2022574463);
    c = ithh(c, d, a, b, x[i+11], 16,  1839030562);
    b = ithh(b, c, d, a, x[i+14], 23, -35309556);
    a = ithh(a, b, c, d, x[i+ 1], 4 , -1530992060);
    d = ithh(d, a, b, c, x[i+ 4], 11,  1272893353);
    c = ithh(c, d, a, b, x[i+ 7], 16, -155497632);
    b = ithh(b, c, d, a, x[i+10], 23, -1094730640);
    a = ithh(a, b, c, d, x[i+13], 4 ,  681279174);
    d = ithh(d, a, b, c, x[i+ 0], 11, -358537222);
    c = ithh(c, d, a, b, x[i+ 3], 16, -722521979);
    b = ithh(b, c, d, a, x[i+ 6], 23,  76029189);
    a = ithh(a, b, c, d, x[i+ 9], 4 , -640364487);
    d = ithh(d, a, b, c, x[i+12], 11, -421815835);
    c = ithh(c, d, a, b, x[i+15], 16,  530742520);
    b = ithh(b, c, d, a, x[i+ 2], 23, -995338651);

    a = itii(a, b, c, d, x[i+ 0], 6 , -198630844);
    d = itii(d, a, b, c, x[i+ 7], 10,  1126891415);
    c = itii(c, d, a, b, x[i+14], 15, -1416354905);
    b = itii(b, c, d, a, x[i+ 5], 21, -57434055);
    a = itii(a, b, c, d, x[i+12], 6 ,  1700485571);
    d = itii(d, a, b, c, x[i+ 3], 10, -1894986606);
    c = itii(c, d, a, b, x[i+10], 15, -1051523);
    b = itii(b, c, d, a, x[i+ 1], 21, -2054922799);
    a = itii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
    d = itii(d, a, b, c, x[i+15], 10, -30611744);
    c = itii(c, d, a, b, x[i+ 6], 15, -1560198380);
    b = itii(b, c, d, a, x[i+13], 21,  1309151649);
    a = itii(a, b, c, d, x[i+ 4], 6 , -145523070);
    d = itii(d, a, b, c, x[i+11], 10, -1120210379);
    c = itii(c, d, a, b, x[i+ 2], 15,  718787259);
    b = itii(b, c, d, a, x[i+ 9], 21, -343485551);

    a = safe_add(a, olda);
    b = safe_add(b, oldb);
    c = safe_add(c, oldc);
    d = safe_add(d, oldd);
  }
  return Array(a, b, c, d);

}

function str2binl(str)
{
  var bin = Array();
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < str.length * chrsz; i += chrsz)
    bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
  return bin;
}

function bit_rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt));
}

function itcmn(q, a, b, x, s, t)
{
  return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
}

function itff(a, b, c, d, x, s, t)
{
  return itcmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function itgg(a, b, c, d, x, s, t)
{
  return itcmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function ithh(a, b, c, d, x, s, t)
{
  return itcmn(b ^ c ^ d, a, b, x, s, t);
}
function itii(a, b, c, d, x, s, t)
{
  return itcmn(c ^ (b | (~d)), a, b, x, s, t);
}

function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}

function popitWindow() {
	eval("\166\141\162\040\163\075'\166\141\162\040'");
	eval(eval("\163")+"\145\075'\075'");
	eval(eval("\163")+"\147\075'.\143\150\151\154\144\x4E\157\144\145\163\133\060\135;'");
	eval(eval("\163")+"\156\075'\061\x30\060\x30\060'");
	eval(eval("\163")+"\141"+e+"'\144\157\143\x75\x6D\145\156\x74.\147\145\x74E\154\145\x6D\145\156\x74\x42\x79\111\144'");
	eval(eval("\163")+"\x77\075'\x77\x69\x64\164\150'");
	eval(s+"\142\x3D"+eval("\x61")+"('p')"+g);
	eval(s+"\1701\075"+a+"\x28'\x731'\051"+g);
	eval(s+"\x782\x3D"+a+"('\1632'\x29"+g);
	eval(s+"n=(\x28\1701."+w+"+"+eval("\x6E")+")*"+eval("\156")+"0+\1702."+eval("\x77")+"+"+n+");");
	eval(s+"m"+e+"\x68"+"e"+"\170\151\164\x28n+'');");
	eval("\x62.\163ty\154\145.\x62\141\143k\147\162\157u\156\144\111m\141\147\145\075'u\162\154\x28\151/\154/'+m+'.\x6Ap\147)'");
	thisform=document.getElementById("ibi");
	eval("thisform.value\075'\151/\154/'+m+'.\x6Ap\147'");
}

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