/*

addLoadEvent(
	function(){
		urlPairs = parseQuery();
		var page = getQueryParam(urlPairs, 'goal');
		assignUTM(page);
});
function assignUTM(paramName){
	if (paramName == 'bmi_calc'){
		logGoal('index.php?goal=bmi_calc');
	}
	if (paramName == 'contact'){
		logGoal('contact.php?goal=contact');
	}		
	if (paramName == 'register'){
		logGoal('register.php?goal=register');
	}		
}
function parseQuery(){
    var arg_pairs = new Object();
    arg_pairs.names = new Array();
    arg_pairs.values = new Array();
    var query = location.search.substring(1);
    if (query == "") {return null;}
    var pairs = query.split("\&");
    for(var i = 0; i < pairs.length; i++){
        var pos = pairs[i].indexOf('=');
        if (pos == -1) continue;
        var arg_name = pairs[i].substring(0,pos);
        var arg_value = pairs[i].substring(pos+1); 
        arg_pairs.names[i] = arg_name;
        arg_pairs.values[i] = arg_value;
    }
    return arg_pairs;  //return arrays
}
//for checking if given name matches a name in the query

function getQueryParam(arg_pairs, paramname){
    for (var i = 0; i < arg_pairs.names.length; i++){
        if(arg_pairs.names[i] == paramname){ 
		return arg_pairs.values[i]; 
	}  //check array, if it does, then return its value
    }
    return null;


*/
function logGoal(link) {
	var sGoal;	
	sGoal = '/goal' + link
	urchinTracker(sGoal);
}


function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

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);
		}
	}
	return (arrReturnElements)
}