function hdp(pics,btns,t)
{
    $(btns+" a").click(function(){
    var i=$(this).index();
    $(btns+" a").removeclass("curr").eq(i).addclass("curr");
    $(pics+" li").eq(i).show().siblings("li").hide();
    });
    t = setinterval("showauto('"+btns+"')", 4000);    
    $(pics).hover(function(){clearinterval(t)}, function(){t = setinterval("showauto('"+btns+"')", 4000);});  
}
function showauto(btns)    
{    
    var n=0;
    var num=$(btns+" a").size(); 
    $(btns+" a").each(function(){
     if($(this).hasclass("curr"))
     n=$(this).index();
    });
    n=(n+1==num?0:(n+1));
    $(btns+" a").eq(n).trigger('click');  
}