function getPublicCookie(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 createPublicCookie(name,value,days) 
{
    if (days) 
    {
        var date = new Date();
        date.setTime(date.getTime()+(days*24*60*60*1000));
        var expires = "; expires="+date.toGMTString();
    }
    else var expires = "";
    
    var currentDomain = document.domain;
    if ( currentDomain.indexOf( "www." ) != -1 )
        currentDomain = "." + currentDomain.substr( 4 );

    document.cookie = name+"="+value+expires+"; path=/; domain="+currentDomain;
}

function SetPRWebPublicCookies()
{
    var thisDate = new Date();
    createPublicCookie( "LastVisit", thisDate.toGMTString(), 365 * 5 );
    var firstVisit = getPublicCookie( "FirstVisit" );
    if ( firstVisit == "" )
    {
        createPublicCookie( "FirstVisit", thisDate.toGMTString(), 365 * 5 );
    }
}