function isInteger(val)
{
    if(val==null)
    {
        return false;
    }
    if (val.length==0)
    {
        return false;
    }
    for (var i = 0; i < val.length; i++) 
    {
        var ch = val.charAt(i)
        if (i == 0 && ch == "-")
        {
            continue
        }
        if (ch < "0" || ch > "9")
        {
            return false
        }
    }
    return true
}

function ValidateDate(month, day, year)
{  
    var date = new Date(month + "/" + day + "/" + year);  
    var ny = date.getFullYear();  
    var nmo = date.getMonth()+1;  
    var nd = date.getDate(); 
    return ny == year && nmo == month && nd == day;
}

function openAdLink(link) {
    
    window.open(link,'mywindow','width=800,height=600,toolbar=yes,location=yes,directories=yes,status=yes,menubar=yes,scrollbars=yes,copyhistory=yes,resizable=yes');
}