function ResetTabs(tabPrefix) {
  for(i = 1; i <= tabCount; i++) {
    var aDiv = document.getElementById(tabPrefix + "div_" + i);
    var aTab = document.getElementById(tabPrefix + "" + i);
    if(aDiv != null) aDiv.style.display = "none";
    if(aTab != null) aTab.className = "";
  }
}

function ShowTab(tab) {

  var activeDiv = document.getElementById("tab_div_" + tab);
  
 for(i = 1; i <= tabCount; i++) {
    var aDiv = document.getElementById("tab_div_" + i);
    var cTab = document.getElementById("tab_" + i);
    
    
    if(aDiv != null) aDiv.style.display = "none";
     if (cTab) cTab.className = 'btab';  
  
  }
  
  
   var c_tab = document.getElementById('tab_'+tab);
  
   if (c_tab) {
          c_tab.className = 'btab selected';
          c_tab.blur();
   }
  if(activeDiv != null) activeDiv.style.display = "";

}