var hh=0;
var inter;

function show_object(par_obj_name,par_obj_height) {
  if(hh==par_obj_height) {
    clearInterval(inter);
    return;
  }

  obj = par_obj_name;
  obj.style.display = 'block';
  hh+=2;
  obj.style.height = hh + 'px';
}

function hide_object(par_obj_name) {
  obj = par_obj_name;

  if(hh==2) {
    obj.style.visibility = 'hidden';
    obj.style.height = '0.1em';
    clearInterval(inter);
    return;
  }
  hh-=2;
  obj.style.height = hh + 'px';
}

function check_email(str)
  {
  var at="@"
  var dot="."
  var lat=str.indexOf(at)
  var lstr=str.length
  var ldot=str.indexOf(dot)
  if (str.indexOf(at)==-1){
    return false
    }

  if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
    return false
    }

  if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
    return false
    }

  if (str.indexOf(at,(lat+1))!=-1){
    return false
    }

  if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
    return false
    }

  if (str.indexOf(dot,(lat+2))==-1){
    return false
    }

  if (str.indexOf(" ")!=-1){
    return false
    }

  return true
  }
  
function is_number(evt) {
  var charCode = (evt.which) ? evt.which : event.keyCode
  if (charCode > 31 && (charCode < 48 || charCode > 57))
     { alert('فقط الأرقام متاحة'); return false; }
  return true;
}

function is_arabic(evt) {
  var charCode = (evt.which) ? evt.which : event.keyCode
  if ((charCode > 1568 && charCode < 1611) || charCode == 32 || charCode == 13) return true;
  else { alert('فقط الأحرف العربية متاحة'); return false; }
}

function is_url(s) {
  var regexp = /(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/;
  return regexp.test(s);
}

function set_home_page() {
  document.body.style.behavior='url(#default#homepage)';
  document.body.setHomePage("http://www.kuwaiteshop.com")
}

function trim(sString) {
  while (sString.substring(0,1) == " ") {
    sString = sString.substring(1, sString.length);
    } while (sString.substring(sString.length-1, sString.length) == " ") {
      sString = sString.substring(0,sString.length-1);
    }
  return sString; 
}

function is_english(evt) {
  var charCode = (evt.which) ? evt.which : event.keyCode
  if ((charCode >= 65 && charCode <= 90) || (charCode >= 97 && charCode <= 122) || charCode == 32 || charCode == 13) return true;
  else { alert('فقط الأحرف الإنجليزية متاحة'); return false; }
}

function is_english_number_dash_slash_comma_dot(evt) {
  var charCode = (evt.which) ? evt.which : event.keyCode
  if ((charCode >= 65 && charCode <= 90) || (charCode >= 97 && charCode <= 122) || (charCode >= 48 && charCode <= 57) || charCode == 45 || charCode == 47 || charCode == 44 || charCode == 46 || charCode == 32 || charCode == 13) return true;
  else { alert('فقط الأحرف الإنجليزية والأرقام وعلامة "-" وعلامة "/" وعلامة "," وعلامة "." متاح'); return false; }
}

function capitalize(obj) {
  val = obj.value;
  newVal = '';
  val = val.split(' ');
  for(var c=0; c < val.length; c++) {
    newVal += val[c].substring(0,1).toUpperCase() + val[c].substring(1,val[c].length) + ' ';
  }
  obj.value = newVal;
}

function utf8_encode (string) {
  string = string.replace(/\r\n/g,"\n");
  var utftext = ""; 
  for (var n = 0; n < string.length; n++) { 
    var c = string.charCodeAt(n); 
    if (c < 128) {
      utftext += String.fromCharCode(c);
    }
    else if((c > 127) && (c < 2048)) {
      utftext += String.fromCharCode((c >> 6) | 192);
      utftext += String.fromCharCode((c & 63) | 128);
    }
    else {
      utftext += String.fromCharCode((c >> 12) | 224);
      utftext += String.fromCharCode(((c >> 6) & 63) | 128);
      utftext += String.fromCharCode((c & 63) | 128);
    } 
  } 
  return utftext;
}
  
function utf8_decode (utftext) {
  var string = "";
  var i = 0;
  var c = c1 = c2 = 0;   
  while ( i < utftext.length ) {   
    c = utftext.charCodeAt(i);   
    if (c < 128) {
      string += String.fromCharCode(c);
      i++;
    }
    else if((c > 191) && (c < 224)) {
      c2 = utftext.charCodeAt(i+1);
      string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
      i += 2;
    }
    else {
      c2 = utftext.charCodeAt(i+1);
      c3 = utftext.charCodeAt(i+2);
      string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
      i += 3;
    }   
  }   
  return string;
}

function makeRequest(url,target,target_type) {
  var httpRequest;
  if (window.XMLHttpRequest) { // Mozilla, Safari, ...
    httpRequest = new XMLHttpRequest();
    if (httpRequest.overrideMimeType) {
      httpRequest.overrideMimeType('text/xml');
    }
  } else if (window.ActiveXObject) { // IE
    try {
      httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {}
    }
  }
  if (!httpRequest) {
    return false;
  }
  httpRequest.onreadystatechange = function() { state_Change(httpRequest,target,target_type); };
  httpRequest.open('GET', url, true);
  httpRequest.send(null);
}

function state_Change(httpRequest,target,target_type) {
  if (httpRequest.readyState == 4) {
    if (httpRequest.status == 200) {
      var s = httpRequest.responseText;
      //document.getElementById("dummy_pics_content").innerHTML=s;
      if (target_type == 'iframe') {
        target.document.write(s);
        target.document.close();        
      } 
      else if (target_type == 'input') {
        target.value = s;
      } else {
        target.innerHTML=s;
      }
      //window.frames["pics_content"].document.write(s);
      //window.frames["pics_content"].document.close();
      //target.document.write(s);
      //target.document.close();
    }
  }
}

function get_timestamp() {
  var date = new Date();
  var timestamp = date.getTime();
  return timestamp;
}