function rC(nam) 
{
    var tC = document.cookie.split('; '); 
    for (var i = tC.length - 1; i >= 0; i--)  
    {
        var x = tC[i].split('='); 
        if (nam = x[0]) 
            return unescape(x[1]);
    } 
    return '~';
} 


function wC(nam,val) 
{
    document.cookie = nam + '=' + escape(val);
}
 

function lC(nam,pg) 
{
    var val = rC(nam); 
    if (val.indexOf('~'+pg+'~') != -1) 
        return false; 
    val += pg + '~'; 
    wC(nam,val); return true;
} 


function firstTime(cN) 
{
    return lC('pWrD4jBo',cN);
}
 


function thisPage() 
{
    var page = location.href.substring(location.href.lastIndexOf('\/')+1); 
    pos = page.indexOf('.');
    if (pos > -1) 
    { 
       page = page.substr(0,pos);
    } 
    return page;
}


// example code to call it - you may modify this as required