function page(ggg)
{
    var html=location.href.split("?page");
    if(ggg!="")
    {
        window.location=html[0]+"?page="+ggg;
    }
}
function pageprenext(ggg)
{
    var html=location.href.split("&page");
    if(ggg!="")
    {
        window.location=html[0]+"&page="+ggg;
    }
}
function getpage(ggg)
{
    var html=location.href.split("&page");
    if(ggg!="")
    {
        return  html[0]+"&page="+ggg;
    }
}