/*
 * getElementsByClass
 * get an array of elements with a specific class
 */

function getElementsByClass(className) {
   var outArray = new Array();

	if (typeof(className) != 'string' || ! className) {
	   return outArray;
	}
	
	if (document.getElementsByTagName) {
	   var allElements = document.getElementsByTagName('*');
	   for (var i=0, j=allElements.length; i<j; i+=1) {
	      if (allElements[i].className == className) {
	         outArray.push(allElements[i]);
	      }
	   }
	}

	return outArray;
}