var d = document;
    var selTab = "tab1";
    
    
    var img1 = new Image;
    img1.src = "../i/btn_srch_roll.gif";
    var img2 = new Image;
    img2.src = "../i/btn_login_roll.gif";
    var img3 = new Image;
    img3.src = "../i/btn_c_roll.gif";
    var img4 = new Image;
    img4.src = "../i/btn_l_roll.gif";
    var img5 = new Image;
    img5.src = "../i/btn_r_roll.gif";
    var img6 = new Image;
    img6.src = "../i/preloader.gif";


    function $(id, f){
    	return eval('d.getElementById(id)' + (f? '.style' : ''));
    }
    
    
    function chTab(obj){
      obj.className = "sel";
      $('sub'+obj.id).style.display = "block";
      
      $(selTab).className = "";
      $('sub'+selTab).style.display = "none";

      $('systemMsg').innerHTML = "";      
      selTab = obj.id;
    }


    function switchEls (radio, h, b){ 
      if ($(radio).checked){
        $(h).style.display = "block";
        $(b).style.display = "block";
      } else {
        $(h).style.display = "none";
        $(b).style.display = "none";
      }
    }    

    function swap(fId, num){
      for (i=0; i<num; i++){
        obj = $(fId+(i+1));
        objBody = $(obj.id + "body");
        objBody.style.display = (obj.checked)?"block":"none";
      }
    }
    

    function showHide (objId){
      obj = $(objId);
      obj.style.display = (obj.style.display == "none")?"block":"none";
    }