/* Site prev/next navigator */
function bnav(ev,pl,nl){
	if (ev.ctrlKey){
		var telem = document.getElementById('message.text');
		switch (ev.keyCode ? ev.keyCode : ev.which ? ev.which : null)
		{
			case 39:
				if(nl){if(!telem || !telem.value){ document.location = nl; }}
			break;
			case 37:
				if(pl){if(!telem || !telem.value){ document.location = pl; }}
			break;
		}
	}
}