var i=0;

function back_details(i){
document.getElementById("details"+(i-1)).style.display="block";
document.getElementById("details"+i).style.display="none";
}

function next_details(i){
document.getElementById("details"+(i+1)).style.display="block";
document.getElementById("details"+i).style.display="none";
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}// JavaScript Document