// JavaScript Document
function platformlist(a){
      if(a=="pw3"){
      	var  win32= document.getElementById('windows32');
      	win32.style.visibility = "visible";
      	var  win64= document.getElementById('windows64');
      	win64.style.visibility = "hidden";
        var lin32 = document.getElementById('linux32');
        lin32.style.visibility = "hidden";
        var lin64 = document.getElementById('linux64');
        lin64.style.visibility = "hidden";
      }else if(a=="pl3"){
      	var win32 = document.getElementById('windows32');
      	win32.style.visibility = "hidden";
      	var  win64= document.getElementById('windows64');
      	win64.style.visibility = "hidden";
        var lin32 = document.getElementById('linux32');
        lin32.style.visibility = "visible";
        var lin64 = document.getElementById('linux64');
        lin64.style.visibility = "hidden";
      }else if(a=="pl6"){
      	var win32 = document.getElementById('windows32');
      	win32.style.visibility = "hidden";
      	var  win64= document.getElementById('windows64');
      	win64.style.visibility = "hidden";
        var lin32 = document.getElementById('linux32');
        lin32.style.visibility = "hidden";
        var lin64 = document.getElementById('linux64');
        lin64.style.visibility = "visible";
      }else if(a=="pw6"){
      	var  win32= document.getElementById('windows32');
      	win32.style.visibility = "hidden";
      	var  win64= document.getElementById('windows64');
      	win64.style.visibility = "visible";      	
        var lin32 = document.getElementById('linux32');
        lin32.style.visibility = "hidden";
        var lin64 = document.getElementById('linux64');
        lin64.style.visibility = "hidden";
      }
      
}