function sidebarinit()
{
  if(screen.width<=1024){
    document.getElementById('socialmedia').style.background="url('./css/bg_socialmedia_expand.gif')";
  }
}
function sidebar()
{
  if(screen.width<=1024){
    document.getElementById('sidebar').style.left='-10px';
    document.getElementById('socialmedia').style.background="url('./css/bg_socialmedia.gif')";
  }
}
function sidebarout()
{
  if(screen.width<=1024){
    document.getElementById('sidebar').style.left='-73px';
    document.getElementById('socialmedia').style.background="url('./css/bg_socialmedia_expand.gif')";
  }
}