function changeLang()
{
    var lan = getCookie('lang');
	
	if ( lan == null ) lan = "";
	
    if(lan == 'lat') 
	{
        setCookie('lang','cir',1); 
    }
	else
	{
        setCookie('lang','lat',1);
    }
}

function setCookie(c_name, value, exdays)
{
	var exdate=new Date();
	exdate.setDate(exdate.getDate() + exdays);
	var c_value=escape(value) + ((exdays==null) ? "" : "; expires="+exdate.toUTCString()) + "; path=/";
	document.cookie=c_name + "=" + c_value;
}

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 null;
}

/*function changeLang()
{
    var lan = getCookie('lang');
    if(lan == 'lat') 
	{
        setCookie('lang','cir',$expire = 0, $path = '');
    }
	else
	{
        setCookie('lang','lat',$expire = 0, $path = '');
    }
}

function setCookie(c_name,value)
{
var c_value=escape(value);
document.cookie=c_name + "=" + c_value;
}

/* function setCookie(c_name,value)
{
	document.cookie=c_name+'='+escape(value);
} 

function getCookie(c_name)
{
var i,x,y,ARRcookies=document.cookie.split(";");
for (i=0;i<ARRcookies.length;i++)
{
  x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("="));
  y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1);
  x=x.replace(/^\s+|\s+$/g,"");
  if (x==c_name)
    {
    return unescape(y);
    }
  }
} */

/* 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 "";
} */