/* blink: use example:

This text will flash!!!

*/ function changeColour(elementId) { // alert("hello"); var interval = 800; var colour1 = "yellow"; var colour2 = "blue"; if (document.getElementById) { var element = document.getElementById(elementId); element.style.background = (element.style.background == colour1) ? null : colour1; setTimeout("changeColour('" + elementId + "')", interval); } }