function gup(name) {
	name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
	var regexS = "[\\?&]"+name+"=([^&#]*)";
	var regex = new RegExp( regexS );
	var results = regex.exec( window.location.href );
	if( results == null )
		return "";
    else
        return results[1];
}
function toggle_default() {
    var t = gup("t");
    if (t != "") {
        toggle(t);
    }
}
	
function toggle(obj) {
	var el = document.getElementById(obj);
	var arrow = document.getElementById(obj + "-arrow");
	if ( el.style.display == 'block' ) {
		el.style.display = 'none';
		arrow.src = '/images/blue-arrow-right.png';
	}
	else {
		el.style.display = 'block';
		arrow.src = '/images/blue-arrow-down.png';
	}
}