facts = new Array;
facts[0] = "Genetics is a key factor in Personology.";
facts[1] = "Natural talents are transmitted via genetics and function through our human structure.";
facts[2] = "Bilateral variations are common and important.";
facts[3] =  "In three out of four people, the right ear, right side of the face, and right side of the body, reflect the father's parentage.";
facts[4] = "The relationship between how living beings are built and how they function has a long and rich history.";

function getFact() {

	numFact = Math.floor(Math.random()*facts.length);
	document.write(facts[numFact]);
}