// JavaScript Document
var dyks = new Array();
dyks[dyks.length] = {
dyk1:"A standard sized brick = 230 x 110 x 76mm.",
dyk2: "There are 50 standard sized bricks per square metre."};

dyks[dyks.length] = {
dyk1:"A standard sized brick = 230 x 110 x 76mm.",
dyk2: "There are 4 standard sized bricks per lineal metre when laid side by side."};

dyks[dyks.length] = {
dyk1:"A large format paver = 400 x 400 x 50mm.",
dyk2: "There are 6.25 large format pavers per square metre."};

dyks[dyks.length] = {
dyk1:"A standard sized paver = 230 x 115 x 50mm.",
dyk2: "There are 38 standard sized pavers per square metre."};

dyks[dyks.length] = {
dyk1:"There 12.5 blocks per square metre.",
dyk2: ""};

function getDYK() {
	var currIndex = Math.floor(Math.random()*(dyks.length));
	var output = "<p>" + dyks[currIndex].dyk1;
	output += "</p><p>" + dyks[currIndex].dyk2 + "</p>";
	return output;
}