var func = {
	/** ******************************************************
	* Written by Jonathan Snook, http://www.snook.ca/jonathan
	* Add-ons by Robert Nyman, http://www.robertnyman.com
	*/ /*****************************************************/
	getElementsByClassName: function(oElm, strTagName, oClassNames){
		var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
		var arrReturnElements = new Array();
		var arrRegExpClassNames = new Array();
		if(typeof oClassNames == "object"){
			for(var i=0; i<oClassNames.length; i++){
				arrRegExpClassNames.push(new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)"));
			}
		}
		else{
			arrRegExpClassNames.push(new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)"));
		}
		var oElement;
		var bMatchesAll;
		for(var j=0; j<arrElements.length; j++){
			oElement = arrElements[j];
			bMatchesAll = true;
			for(var k=0; k<arrRegExpClassNames.length; k++){
				if(!arrRegExpClassNames[k].test(oElement.className)){
					bMatchesAll = false;
					break;
				}
			}
			if(bMatchesAll){
				arrReturnElements.push(oElement);
			}
		}
		return (arrReturnElements)
	}
}