var newWindow = null;

function NewTune(num) {
  closeWindow(); 

  if (num==1) {
    newWindow = open("Audio/jrjb_NO1_1.html","myWindow","height=560,width=440,left=300,top=200");
  }    
  else if (num==2) {
    newWindow = open("Audio/jrjb_NO1_2.html","myWindow","height=560,width=440,left=300,top=200");
  }
  else if (num==3) {
    newWindow = open("Audio/jrjb_NO1_3.html","myWindow","height=560,width=440,left=300,top=200");
  }
  else if (num==4) {
    newWindow = open("Audio/jrjb_NO1_4.html","myWindow","height=560,width=440,left=300,top=200");
  }
  else if (num==5) {
    newWindow = open("Audio/jrjb_NO1_5.html","myWindow","height=560,width=440,left=300,top=200");
  }
  else if (num==6) {
    newWindow = open("Audio/jrjb_NO1_6.html","myWindow","height=560,width=440,left=300,top=200");
  }
  else if (num==7) {
    newWindow = open("Audio/jrjb_NO1_7.html","myWindow","height=560,width=440,left=300,top=200");
  }
  else if (num==8) {
    newWindow = open("Audio/jrjb_NO1_8.html","myWindow","height=560,width=440,left=300,top=200");
  }
  else if (num==9) {
    newWindow = open("Audio/jrjb_NO1_9.html","myWindow","height=560,width=440,left=300,top=200");
  }
  else if (num==10) {
    newWindow = open("Audio/jrjb_NO1_10.html","myWindow","height=560,width=440,left=300,top=200");
  }
  else if (num==11) {
    newWindow = open("Audio/jrjb_NO1_11.html","myWindow","height=560,width=440,left=300,top=200");
  }
  else if (num==12) {
    newWindow = open("Audio/jrjb_NO1_12.html","myWindow","height=560,width=440,left=300,top=200");
  }
  else if (num==13) {
    newWindow = open("Audio/jrjb_NO1_13.html","myWindow","height=560,width=440,left=300,top=200");
  }
  newWindow.focus();
}


function Fid() {
  closeWindow(); 
  newWindow = open("fidelity.html","myWindow","height=300,width=520,left=300,top=150,scrollbars,resizable");
}


function closeWindow() {
  if (newWindow != null) {
    newWindow.close();
    newWindow = null;
  }
}