// JavaScript Document
var ie4 = document.all;
var ns4 = document.layers;
var ns6 = document.getElementById && !document.all;


function change_country_popup(){
	var change_countryWindow = window.open(site_root_stripped+"/change_country.html", "ChangeCountry", "height=25,width=320");
	
	change_countryWindow.focus();
}

function change_zone(city_url){
	window.location = site_root_stripped+'/'+city_url+'/home.html';
}

function position_parts(container, content){
	container = document.getElementById(container);
	content = document.getElementById(content);
	container.appendChild(content);
}

function do_position_parts(){
	position_parts('menu_container', 'categories_content');
	position_parts('menu_container', 'menu_content');
	//position_parts('main', 'main_content');
	//position_parts('footer_placeholder', 'footer');
}


function hideWaitMessageBg(){
	var wait_div=document.getElementById('wait_message_bg').style;
	wait_div.display='none';
	wait_div.visibility='hidden';
}

function displayWaitMessageBg(){
	var wait_div=document.getElementById('wait_message_bg').style;
	wait_div.display='block';
	wait_div.visibility='visible';
}


function IsInt(sText)
{
   var numeric = IsNumeric(sText);
   if(!numeric){
	   return false;
   }
   
   if(sText.indexOf('.')!=(-1)){
	   return false;
   }
   return true;
}


function IsNumeric(sText)
{
	if(sText==''){
		return false;
	}
	
   var ValidChars = "-0123456789.";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
}


function IsPositive(sText)
{
   var numeric = IsNumeric(sText);
   if(!numeric){
	   return false;
   }
   var number = parseFloat(sText);
   if(number<0){
	   return false;
   }
   return true;
}


//modify styles for IE
if(ie4){
	var html = document.getElementsByTagName('html');
	var bodyElem = document.getElementsByTagName('body');
	var picturePlaceholderDiv = document.getElementById('picturePlaceholderDiv').style;
	var wait_message_bg = document.getElementById('wait_message_bg').style;
	
	picturePlaceholderDiv.position='absolute';
	wait_message_bg.position='absolute';
	
	html[0].style.setAttribute('height','100%');
	html[0].style.setAttribute('overflow','auto');
	bodyElem[0].style.setAttribute('height','100%');
	bodyElem[0].style.setAttribute('overflow','auto');
}



function Set_Cookie(name,value,expires,path,domain,secure) {
	if(!expires){
		expires = 315360000000; // 10 years
	}
	
	var today = new Date();
	var expires_date = new Date( today.getTime() + (expires) );
    var cookieString = name + "=" +escape(value) + 
       ( (expires) ? ";expires=" + expires_date.toGMTString() : "") + 
       ( (path) ? ";path=" + path : "") + 
       ( (domain) ? ";domain=" + domain : "") + 
       ( (secure) ? ";secure" : "");
    document.cookie = cookieString;
}


function getCookie(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 changeLang(language){
	Set_Cookie('lang', language, false, '/');
	var sURL = unescape(window.location);
	window.location.href = sURL;
}

// set current language icon inactive
function setCurrentLang(){
	var currentLang = getCookie('lang');
	if(currentLang){
		var currentLangImg = document.getElementById('lang_'+currentLang);
		currentLangImg.src = site_root_stripped+"/images/lang/"+currentLang+"_bw.gif";
		currentLangA = currentLangImg.parentNode;
		currentLangA.removeAttribute('href');
	}
}