|(disp=='none')? 'none' : 'block' 
  }
  
  window.addEventListener( 'touchstart', function(e) { document.touch=e.changedTouches[0] } )
  
  window.addEventListener( 'touchend', function(e) { 
  	 var distX = e.changedTouches[0].clientX - document.touch.clientX
  	 var distY = e.changedTouches[0].clientY - document.touch.clientY
  	 if ( Math.abs(distY) < 15 && distX > 90 ) {
  			e.preventDefault(); 
        toggleTOC(true)
  	 } else if ( Math.abs(distY) < 15 && distX < -30 ) {
  			e.preventDefault(); 
 