function load_to_div(div, filename)
{

	var completed_callback = function(response_text)
	{
		// clear it first, then load the div with the new html
		document.getElementById(div).innerHTML = response_text;
		document.getElementById(div).scrollTop = 0;
	}

	// force the browser to pull the most recent version
	var refresh_number = new String((Math.round((Math.random()*99)+1)));

	ajax_exec(filename + '?' + refresh_number, '', completed_callback, '', 'GET');
}


function trigger_selected(element)
{

	var event_count = 6;
	for (i=1;i<=event_count;i++)
	{
		document.getElementById('nav' +i).className = '';
	}
	element.className = 'selected';

}

function trigger_selected2(element)
{

	var event_count = 4;
	for (i=1;i<=event_count;i++)
	{
		document.getElementById('topnav' +i).className = '';
	}
	element.className = 'selected';

}

function swap_div(hide, show)
{
	document.getElementById(hide).style.display = 'none';
	document.getElementById(show).style.display = 'block';
}