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, 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)
}

function closeWindow(){
	
	if (location.pathname == "/ForgotPassword.aspx"){
		self.parent.tb_remove(); //thickbox close
	}
	else{
		window.close();
	}
};

function getQueryVariable(variable) {
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
	var pair = vars[i].split("=");
	if (pair[0] == variable) {
	  return pair[1];
	}
  } 
//  alert('Query Variable ' + variable + ' not found');
};


function addClass(element, className) {
	if (!hasClass(element, className)) {
		element.className += (element.className ? " " : "") + className;
	}
};

function hasClass(element, className) {
	var regexp = new RegExp("(^|\\s)" + className + "(\\s|$)");
	return regexp.test(element.className);
};

function removeClass(element, className) {
	var regexp = new RegExp("(^|\\s)" + className + "(\\s|$)", "g");
	element.className = trim(element.className.replace(regexp, "$2"));
};

function toggleClass(element, className) {
	if (hasClass(element, className)) {
		removeClass(element, className);
	} else {
		addClass(element, className);
	}
};

function trim(string) {
	return string.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
};