function writeHeadings() {
	document.write("<table border='0' rules='rows' cellspacing='0'><tr>")
		for (var i=0; i < headings.length; i++){
			document.write("<th class='heading'>" + headings[i] + "</th>")
		}
	document.write("</tr>")
}

function writeRows() {
	for (var i=0; i < carColour.length; i++){
		if (i % 2 == 0){
			document.write("<tr><td class='lightgrey'><a href='Images/" + carImage[i] + ".html'><img src='" + carImage[i] + ".jpg' alt='" + carMake[i] + "'></a></td>")
			document.write("<td class='lightgrey'><b>" + carMake[i] + "</b></td>")
			document.write("<td class='lightgrey'>" + carColour[i] + "</td>")
			document.write("<td class='lightgrey'>" + carDoors[i] + " doors</td>")
			document.write("<td class='lightgrey'>" + carTrans[i] + "</td>")
			document.write("<td class='lightgrey'><i>" + carSpecs[i] + "</i></td>")
			document.write("<td class='lightgrey'>" + carKMS[i] + " KMS</td>")
			document.write("<td class='lightgrey'>$" + carPrice[i] + ".00</td></tr>")
		} else {
			document.write("<tr><td class='darkgrey'><a href='Images/" + carImage[i] + ".html'><img src='" + carImage[i] + ".jpg' alt='" + carMake[i] + "'></a></td>")
			document.write("<td class='darkgrey'><b>" + carMake[i] + "</b></td>")
			document.write("<td class='darkgrey'>" + carColour[i] + "</td>")
			document.write("<td class='darkgrey'>" + carDoors[i] + " doors</td>")
			document.write("<td class='darkgrey'>" + carTrans[i] + "</td>")
			document.write("<td class='darkgrey'><i>" + carSpecs[i] + "</i></td>")
			document.write("<td class='darkgrey'>" + carKMS[i] + " KMS</td>")
			document.write("<td class='darkgrey'>$" + carPrice[i] + ".00</td></tr>")
		}
	}
	document.write("</table>")
}

var BackIn = new Image();
	BackIn.src = "bt_l2w.gif";

var BackOut = new Image();
	BackOut.src = "bt_l1w.gif";

function backIn(){if (document.images) document.Back.src = BackIn.src}

function backOut(){if (document.images) document.Back.src = BackOut.src}