function Tab5(name,cursel,n){
  for(i=1;i<=n;i++){
  var div_bg = name + ""+ cursel;
  var bgNull_1 = name + "1";
  var bgNull_2 = name + "2";
  var bgNull_3 = name + "3";
  var bgNull_4 = name + "4";
  var bgNull_5 = name + "5";
  var bgNull_6 = name + "6";
  var bgNull_7 = name + "7";
  var bgNull_8 = name + "8";
  var bgNull_9 = name + "9";
  var bgNull_10 = name + "10";

  //var menu=document.getElementById(name+i);
  var con=document.getElementById(name+"_"+i);
  //menu.className=i==cursel?"hover":"";
  con.style.display=i==cursel?"block":"none";
  // name1.style.backgroundColor="#ff0000";
  document.getElementById(bgNull_1).style.backgroundImage="";
  document.getElementById(bgNull_2).style.backgroundImage="";
  document.getElementById(bgNull_3).style.backgroundImage="";
  document.getElementById(bgNull_4).style.backgroundImage="";
  document.getElementById(bgNull_5).style.backgroundImage="";
  document.getElementById(bgNull_6).style.backgroundImage=""; 
  document.getElementById(bgNull_7).style.backgroundImage=""; 
  document.getElementById(bgNull_8).style.backgroundImage="";
  document.getElementById(bgNull_9).style.backgroundImage="";
  document.getElementById(bgNull_10).style.backgroundImage="";
  document.getElementById(div_bg).style.backgroundImage="url(img/index_044.jpg)";
  //document.write(div_bg) ;
  }
 }
function nav_2(name){
  document.getElementById(name).style.display= "none";
}
function nav_3(name){
 document.getElementById(name).style.display= "";
}