// JavaScript Document

var $ = function(strElementID){
	return document.getElementById(strElementID)||false;	
}


// Array support for the push method in IE 5
//alert(typeof Array.prototype.push != "function");
if(typeof Array.prototype.push != "function"){
	Array.prototype.push = ArrayPush;
	function ArrayPush(value){
		this[this.length] = value;
	}
}

function getElementsByClassName(oElm, strTagName, strClassName){
    var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
    var arrReturnElements = new Array();
    strClassName = strClassName.replace(/\-/g, "\\-");
    var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
    var oElement;
    for(var i=0; i<arrElements.length; i++){
        oElement = arrElements[i];      
        if(oRegExp.test(oElement.className)){
			
            //arrReturnElements.push(oElement);
            arrReturnElements[arrReturnElements.length] = oElement;
        }
    }
    return (arrReturnElements);
}