function get_didyouknow() {
	var texts = Array('Drs. Begalke, Kim and Wallace have all completed courses at the Las Vegas Institute for Advanced Dental Studies.',
				  'Researchers have established a link between the health of your gums and the health of your heart.',
				  'Many of the team at Country Hills Dental have volunteered their time providing dental care in third world countries.');
	document.write(texts[i_getRandomNumber(texts.length)-1]);
}