function flashtext(ele,col) {
var tmpColCheck = document.getElementById( ele ).style.color;
if (tmpColCheck === 'silver') {
document.getElementById( ele ).style.color = col;
} else {
document.getElementById( ele ).style.color = 'silver';
}
}
setInterval(function() {
flashtext('flashingtext','red');
flashtext('flashingtext2','blue');
flashtext('flashingtext3','green');
}, 500 ); //set an interval timer up to repeat the function