// JavaScript Document


function setCookie(name, value)
{
  document.cookie = name+"="+value;
}


function getLang() {
	var pageLang;
	if (getUrlVar('lang')) {
		pageLang = getUrlVar('lang');
		pageLang = pageLang.toUpperCase();
	} else {
		pageLang = null;	
	}
	return pageLang;
}


function getUrlVar(variable) {
	var query = window.location.search.substring(1);
	var vars = query.split("&");
	for (var i=0;i<vars.length;i++) {
		var pair = vars[i].split("=");
		if (pair[0] == variable) {
			return pair[1];
		}
	}
} 


function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}