function showComments(id) {
	var w_width  = 450;
	var w_height = 500;

    window.open('/comments/'+id,'','toolbars=1,height='+w_height+',width='+w_width+',scrollbars=yes,resizable=yes');
}

function toggleArrow(elementID) {
	var element = document.getElementById(elementID);
	var path = element.src;

	var slashPos = path.lastIndexOf('/');
	path = element.src.substr(slashPos + 1); 

	if (path == 'arrowC.png') {
		element.src = '/static/arrowE.png';
	}
	else {
		element.src = '/static/arrowC.png';
	}
}