var urlFirst =  "http://www.cars.com/go/search/detail/photos/multiPhotoPopup.jsp?paId=";
        var urlLast = "&tracktype=usedcc&isuper=true&aff=national";
	var caridNumber;
	var carid1 = 246871486; // Car of the day
        var carid2 = 245524254; // Left
        var carid3 = 245153214; // Centre
        var carid4 = 243531024; // Right

function openNewWindow() {
        autotraderURL = urlFirst + caridNumber + urlLast;
        popupWin = window.open(autotraderURL,
	'open_window',
	'scrollbars, resizable, dependent, width=640, height=600, left=0, top=0');
	}

function carImage1() {
	caridNumber = carid1;
        openNewWindow();
        }

function carImage2() {
        caridNumber = carid2;
        openNewWindow();
        }

function carImage3() {
        caridNumber = carid3;
        openNewWindow();
        }

function carImage4() {
        caridNumber = carid4;
        openNewWindow();
	}