rem: if(!dojo.hasClass(node, classStr)){ node.className = node.className + (node.className ? ' ' : '') + classStr; 
add: var cls = node.getAttribute("className"); if((" "+cls+" ").indexOf(" "+classStr+" ") < 0){ node.setAttribute("className", cls + (cls ? ' ' : '') + classStr); 
context: dojo.addClass = function(/*HTMLElement*/node, /*String*/classStr){	//	summary:	//		Adds the specified classes to the end of the class list on the	//		passed node.	if(!dojo.hasClass(node, classStr)){		node.className = node.className + (node.className ? ' ' : '') + classStr;	}}
meta: 4497	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4497/7305e451ae6dd6e0d0dcbaf13b7871d4fe39dd3e/html.js/buggy/_base/html.js