arr = new Array(
["John 17:17<br/> 'Sanctify them through thy truth: thy word is truth.' KJV"],
["John 8:32<br/> 'And ye shall know the truth, and the truth shall make you free.' KJV"],
["John 14:6<br/> Jesus saith unto him, 'I am the way, the truth, and the life: no man cometh unto the Father, but by me.' KJV"],
["John 8:47a<br/> 'He that is of God heareth God's words.' KJV"]
// no comma at the end of last index 
);

var lasturl="0"; 
function completeimage(){   var randNum = getRand();
document.getElementById("arr").innerHTML = arr[randNum][0]; 
setTimeout('completeimage()',5000);  }  
function getRand () {   var rnum;   
var id=Math.round(Math.random()*(arr.length-1));  
 rnum = id;   if (rnum==lasturl) { rnum = getRand(); }   
lasturl=rnum;   return rnum;  }