function getElementsByClass(searchClass) {
	var classElements = new Array();
	var els = document.getElementsByTagName("div"); // use "*" for all elements
	var elsLen = els.length;
	var pattern = new RegExp("\\b"+searchClass+"\\b");
	for (i = 0, j = 0; i < elsLen; i++) {
		 if ( pattern.test(els[i].className) ) {
			 classElements[j] = els[i];
			 j++;
		 }
	}
	return classElements;
}