Adding style attribute to an element

http://www.codingforums.com/showthread.php?t=57721




document.getElementById('div1').className="myclass";
where myclass is defined in CSS as:
.myclass {width:50px; height:200px; background: #e0e0e0;}


document.getElementById('div1').style.cssText = 'width:50px; height:200px; background: #e0e0e0;';