strapList = new Array;
count = 0;

strapList[0] = '...going further for the over 50s...';
strapList[1] = '...smart thinking for you <br /> and your money...';
strapList[2] = '...best advice, big savings and <br /> clear benefits for the over 50s...';
strapList[3] = '...where joining is free - <br /> but savings are plenty...';
var newText = strapList[0];
var duration = 5;

var arrayCount = strapList.length;

function strapChanger(text){
count = count + 1;
if(count>arrayCount-1){count = 0;}

document.getElementById('StrapText').innerHTML = '';
document.getElementById('StrapText').innerHTML = text;
newText = strapList[count];
setTimeout("strapChanger(newText)", duration*1000);

}