if (!document.getElementsByClassName) {
	document.getElementsByClassName = function(searchClass,node,tag) {
		var classElements = new Array();
		if ( node == null )
			node = document;
			if ( tag == null )
				tag = '*';
			var els = node.getElementsByTagName(tag);
			var elsLen = els.length;
			var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
			for (i = 0, j = 0; i < elsLen; i++) {
				if ( pattern.test(els[i].className) ) {
					classElements[j] = els[i];
					j++;
				}
			}
			return classElements;
	}
}

var info = document.getElementById('info');
var active = document.getElementsByClassName('active')[0].firstChild;

info.style.background = color;
active.style.background = color;