How to always focus keep focus in text box

Question

I have created a single HTML page that contains two divs. The div on the left (90% of page) is the target for ajax results. The div on the right (10% of page) contains a single

Answer 1

Use setInterval :

setInterval(function(){
 var focusbox;
 focusbox = document.getElementById("part_to_search");
 focusbox.focus();
});

Jsfiddle http://jsfiddle.net/g9YxB/10/