registerEvent(window, "load", function(){
    elements = getElementsByClassName("script");
    for(var i=0; i<elements.length; i++){
        elements[i].className = elements[i].className.replace(/\bscript\b/g, "").replace(/^\s+|\s+$/g, "");
    }
});

function preventDefault(ev){
    if(ev.preventDefault)
        return ev.preventDefault();
    ev.returnValue = false;
}

function getElementsByClassName(className, tag, elm){
	var re = new RegExp("(^|\\s)" + className + "(\\s|$)");
	var tag = tag || "*";
	var elm = elm || document;
	var elements = elm.getElementsByTagName(tag);
	var ret = [];
	for(var i=0; i< elements.length; i++){
		if(re.test(elements[i].className)){
			ret.push(elements[i]);
		}
	}
	return ret;
}

function registerEvent(oElement, sEvent, handler){
	sEvent = sEvent.toLowerCase();
	if(sEvent.indexOf("on") == 0)
		sEvent = sEvent.substring(2, sEvent.length);
	if(oElement.addEventListener){
		oElement.addEventListener(sEvent, handler, false);
	} else if(oElement.attachEvent){
		oElement.attachEvent(oElement.attachEvent("on" + sEvent, handler));
	}
}
function stopPropagation(ev){
    ev = ev || window.event;
    if(ev.stopPropagation)
        ev.stopPropagation();
    else
        ev.cancelBubble = true;
}
function unregisterEvent(oElement, sEvent, handler){
	sEvent = sEvent.toLowerCase();
	if(sEvent.indexOf("on") == 0)
		sEvent = sEvent.substring(2, sEvent.length);
	if(oElement.removeEventListener){
		oElement.removeEventListener(sEvent, handler, false);
	} else if(oElement.detachEvent){
		oElement.detachEvent(oElement.detachEvent("on" + sEvent, handler));
	}
}

function getCurrentStyle(HTMLElement, sProp, sPseudo){
	if(HTMLElement.currentStyle)
		return HTMLElement.currentStyle[sProp];
	else
		return getComputedStyle(HTMLElement, sPseudo ? sPseudo : null).getPropertyValue(sProp);
}

function MethodCall(obj, oMethod, arArgs){
	/*
	For use when it is necessary to pass a method pointer or a function pointer with arguments
	set properties: obj, method, and args.
	pass in the dispatch method.
	*/
	var me = new Object;
	me.obj = obj ? obj : new Object;
	me.method = oMethod;
	me.args = arArgs;
	me.dispatch = function (arg1, arg2, arg3, arg4){
		var ret;
		
		if(me.args)
			ret = me.method.apply(me.obj, me.args);
		else
			ret = me.method.call(me.obj, arg1, arg2, arg3, arg4)
		
		return ret;
	}
	return me;
}

function getElement(id, bThrowError){
    var ret = document.getElementById(id);
    if(ret != null)
        return ret;
    
    if(typeof PAGE_CONTROLS == "undefined")
    	return null;
    if(!PAGE_CONTROLS || !PAGE_CONTROLS[id]){
        if(bThrowError)
            throw "Couldn't get element " + id + ".  Page control or page control array not defined";
        else
            return null;
    }
        
    ret = document.getElementById(PAGE_CONTROLS[id]);
    if(bThrowError && ret == null)
        throw "Couldn't get element " + id + ".  Element not found.";
    return ret;
}

function swapImgRestore() { //v3.0
  var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}

function findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function swapImage() { //v3.0
  var i,j=0,x,a=swapImage.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}