function get_data(div, url, params) {

	new Ajax.Updater(div, url, { parameters: params });
}


function toggle_disclosure() {

    if(document.getElementById("disclosure_body").style.display == "block") {
    	document.getElementById("disclosure_body").style.display = "none";
    } else {
    	document.getElementById("disclosure_body").style.display = "block";
    }
}


function toggle_read_article(article_id, redirect, note_hash, user_hash) {

    if(document.getElementById('article_' + article_id).style.display == 'block') {
		document.getElementById('article_' + article_id).style.display = 'none';
		document.getElementById('headline_' + article_id).className = ('headline_div');
		document.getElementById('read_more_' + article_id).value = 'Read More';
    } else {
		document.getElementById('article_' + article_id).style.display = 'block';
		document.getElementById('headline_' + article_id).className = ('reading_headline');
		document.getElementById('read_more_' + article_id).value = 'Collapse';

		var div = 'article_' + article_id;
		var url = 'research.php';
		var params = 'a=' + article_id;
		params += '&n=' + note_hash;
		params += '&u=' + user_hash;
		params += '&r=' + redirect;
		params += '&j=1';
		
		var myAjax = new Ajax.Updater(div, url, { parameters:params } );

    }
}


function date_adjust() {

	var start = document.getElementById('start').selectedIndex;
	var stop = document.getElementById('stop').selectedIndex;

	if(stop > start) {
		document.getElementById('start').options[stop].selected = true;
	}
}