// Credits for getElementsByClassName:
// Written by Jonathan Snook, http://www.snook.ca/jonathan
// Add-ons by Robert Nyman, http://www.robertnyman.com
function getElementsByClassName(oElm, strTagName, strClassName){
	var arrElements = (strTagName == "*" && document.all)? document.all : 
	oElm.getElementsByTagName(strTagName);
	var arrReturnElements = new Array();
	strClassName = strClassName.replace(/\-/g, "\\-");
	var oRegExp = new RegExp("\\b" + strClassName + "\\b");
	var oElement;
	for(var i=0; i<arrElements.length; i++){
		oElement = arrElements[i];      
		if(oRegExp.test(oElement.className)){
			arrReturnElements.push(oElement);
		}   
	}
	return (arrReturnElements)
}