var theSlogans = new Array(); // do not change this

theSlogans[0] = "Click Less — Know More.";
theSlogans[1] = "Click Less — Do More.";

function showSlogan(){
  var whichSlogan = Math.round(Math.random()*(theSlogans.length-1));  
  slogan_block = document.getElementById('slogan');
  slogan_block.innerHTML = theSlogans[whichSlogan];
}