var d=2;

function setCurrentDay()
{
Currdate = new Date();
d = Currdate.getDay();
if(d==6 || d==0){d=1;}
}

function ShowPrev()
{
 hideAll();
 hideElem("d" + d);
 if (d==1)
        d=5;
    else
        d-=1;
  showElem("d" + d);           
}

function ShowNext()
{
 hideAll();
 hideElem("d" + d);
 if (d==5)
        d=1;
    else
        d+=1;
  showElem("d" + d);           
}


 
function hideAll()
{
for(var i = 1; i <= 5; i++) {
    if(i!=d){ hideElem("d"+i);}   
    }
}