function toggleLayer( whichLayer )
{
  var elem, vis;
  if( document.getElementById ) // this is the way the standards work
    elem = document.getElementById( whichLayer );
  else if( document.all ) // this is the way old msie versions work
      elem = document.all[whichLayer];
  else if( document.layers ) // this is the way nn4 works
    elem = document.layers[whichLayer];
  vis = elem.style;
  // if the style.display value is blank we try to figure it out here
  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
  vis.display = (vis.display==''||vis.display=='block')?'none':'block';
}


function text_swap( whichLayer )
{
    var item;
    item = whichLayer;
    if (item == "wince")
    {
        //alert("WINCE");
        toggleLayer('home_text_swap_default');
        toggleLayer('home_text_swap_wince');
        
        toggleLayer('symbianlogo_default');
        toggleLayer('symbianlogo_swap');
        toggleLayer('winmologo_default');
        toggleLayer('winmologo_swap');
        toggleLayer('blackberrylogo_default');
        toggleLayer('blackberrylogo_swap');
        toggleLayer('linuxlogo_default');
        toggleLayer('linuxlogo_swap');
        toggleLayer('androidlogo_default');
        toggleLayer('androidlogo_swap');
        
    }
    else if (item == "symbian")
    {
        toggleLayer('home_text_swap_default');
        toggleLayer('home_text_swap_symbian');
        
        toggleLayer('wincelogo_default');
        toggleLayer('wincelogo_swap');
        toggleLayer('winmologo_default');
        toggleLayer('winmologo_swap');
        toggleLayer('blackberrylogo_default');
        toggleLayer('blackberrylogo_swap');
        toggleLayer('linuxlogo_default');
        toggleLayer('linuxlogo_swap');
        toggleLayer('androidlogo_default');
        toggleLayer('androidlogo_swap');
    }
    else if (item == "winmo")
    {
        toggleLayer('home_text_swap_default');
        toggleLayer('home_text_swap_winmo');
        
        toggleLayer('wincelogo_default');
        toggleLayer('wincelogo_swap');
        toggleLayer('symbianlogo_default');
        toggleLayer('symbianlogo_swap');
        toggleLayer('blackberrylogo_default');
        toggleLayer('blackberrylogo_swap');
        toggleLayer('linuxlogo_default');
        toggleLayer('linuxlogo_swap');
        toggleLayer('androidlogo_default');
        toggleLayer('androidlogo_swap');
    }
    else if (item == "blackberry") {
        toggleLayer('home_text_swap_default');
        toggleLayer('home_text_swap_blackberry');

        toggleLayer('wincelogo_default');
        toggleLayer('wincelogo_swap');
        toggleLayer('symbianlogo_default');
        toggleLayer('symbianlogo_swap');
        toggleLayer('winmologo_default');
        toggleLayer('winmologo_swap');
        toggleLayer('linuxlogo_default');
        toggleLayer('linuxlogo_swap');
        toggleLayer('androidlogo_default');
        toggleLayer('androidlogo_swap');
    }
    else if (item == "linux")
    {
        toggleLayer('home_text_swap_default');
        toggleLayer('home_text_swap_linux');
        
        toggleLayer('wincelogo_default');
        toggleLayer('wincelogo_swap');
        toggleLayer('symbianlogo_default');
        toggleLayer('symbianlogo_swap');
        toggleLayer('winmologo_default');
        toggleLayer('winmologo_swap');
        toggleLayer('blackberrylogo_default');
        toggleLayer('blackberrylogo_swap');
        toggleLayer('androidlogo_default');
        toggleLayer('androidlogo_swap');
    }
    else if (item == "android")
    {
        toggleLayer('home_text_swap_default');
        toggleLayer('home_text_swap_android');
        
        toggleLayer('wincelogo_default');
        toggleLayer('wincelogo_swap');
        toggleLayer('symbianlogo_default');
        toggleLayer('symbianlogo_swap');
        toggleLayer('winmologo_default');
        toggleLayer('winmologo_swap');
        toggleLayer('blackberrylogo_default');
        toggleLayer('blackberrylogo_swap');
        toggleLayer('linuxlogo_default');
        toggleLayer('linuxlogo_swap');
    }
    else
    {
        //alert("NOT WORKING");
    }
    
}