function defaultButton(e, buttonid){ 
	var bt = document.getElementById(buttonid); 
	
	var eDefined = e!= null;
	var bDefined = bt != null;
	var eventDefined = window.event != null;
	
	if (eDefined && bDefined)
	{
		if (e.keyCode == 13)
		{
		    if (bt.click)
			    bt.click();
			else
			{
			    __doPostBack(buttonid.replace(/_/g, "$"), '');
			}
			return false;
		}
		else
			return true;
	}
	
	if (eventDefined){ 
		if (event.keyCode == 13){ 
				bt.click(); 
				return false; 
		}
		else
			return true;
	} 
	
	return true;
} 

function popitup(url, height, width, scrollbars) {
	newwindow=window.open(url,'name','height=' + height + ',width=' + width + ',scrollbars=' + scrollbars + ',resizable=1');
	if (window.focus) {newwindow.focus()}
	return false;
}

function popupvideo(url) {
	newwindow=window.open("/templates/PopupVideo.aspx?v=" + url,'name','height=430,width=730');
	if (window.focus) {newwindow.focus()}
	return false;
}

function fullscreenpopup(url)	{
	newwindow=window.open(url, 'name', 'fullscreen=yes,scrollbars=yes');
	if (window.focus)	{
		newwindow.focus()
	}
	return false;
}

function swapSiblingVisibility(element)
{
    var o = $(element);
    
    if (o != null)
    {
        // o.style.display = o.style.display == "none" ? "" : "none";
        if (o.style.display == "none")
            Effect.SlideDown(element, { duration: 0.3 })
        else
            Effect.SlideUp(element, { duration: 0.3 });
    }
    
    return false;
}