// bpref = tab body prefix, hpref = tab header prefix

function seltab(bpref, hpref, id_max, selected) {
  if (selected == 1) {
      document.getElementById("head1").className = "open";
      document.getElementById("head2").className = "close";
      document.getElementById("box1").className = "";
      document.getElementById("box2").className = "hide";
    } else if (selected == 2) {
      document.getElementById("head1").className = "close";
      document.getElementById("head2").className = "open";
      document.getElementById("box1").className = "hide";
      document.getElementById("box2").className = "";
    }
}


function seltab2(bpref, hpref, id_max, selected) {
  if (selected == 1) {
      document.getElementById("head_b1").className = "open";
      document.getElementById("head_b2").className = "close";
      document.getElementById("box_b1").className = "";
      document.getElementById("box_b2").className = "hide";
    } else if (selected == 2) {
      document.getElementById("head_b1").className = "close";
      document.getElementById("head_b2").className = "open";
      document.getElementById("box_b1").className = "hide";
      document.getElementById("box_b2").className = "";
    }
}

/*function seltab(bpref, hpref, id_max, selected) {
  if (! document.getElementById) return;
  for (i = 0; i <= id_max; i++) {
    if (! document.getElementById(bpref + i)) continue;
    if (i == selected) {
      document.getElementById(bpref + i).className = "";
      document.getElementById(hpref + i).className = "open";
    } else {
      document.getElementById(bpref + i).className = "hide";
      document.getElementById(hpref + i).className = "close";
    }
  }
}


function seltab2(bpref, hpref, id_max, selected) {
  if (! document.getElementById) return;
  for (i = 0; i <= id_max; i++) {
    if (! document.getElementById(bpref + i)) continue;
    if (i == selected) {
      document.getElementById(bpref + i).className = "";
      document.getElementById(hpref + i).className = "open";
    } else {
      document.getElementById(bpref + i).className = "hide";
      document.getElementById(hpref + i).className = "close";
    }
  }
}
*/

//selection language

function sellang(lang) {
	if (lang == 'it') {
		document.getElementById("lang_it").className = "";
		document.getElementById("lang_en").className = "hide";
		document.getElementById("langbut_it").src = "../img/common/langbut_it_over.gif";
		document.getElementById("langbut_en").src = "../img/common/langbut_en.gif";
	} else {
		document.getElementById("lang_it").className = "hide";
		document.getElementById("lang_en").className = "";
		document.getElementById("langbut_it").src = "../img/common/langbut_it.gif";
		document.getElementById("langbut_en").src = "../img/common/langbut_en_over.gif";
	}
}