imag = new Array ()
imag[0] = "images/nav/meetthedoctors-off.jpg"
imag[1] = "images/nav/meetthedoctors-on.jpg"
imag[2] = "images/nav/meettheteam-off.jpg"
imag[3] = "images/nav/meettheteam-on.jpg"
imag[4] = "images/nav/tourouroffice-off.jpg"
imag[5] = "images/nav/tourouroffice-on.jpg"
imag[6] = "images/nav/newpatientforms-off.jpg"
imag[7] = "images/nav/newpatientforms-on.jpg"
imag[8] = "images/nav/aboutorthodontics-off.jpg"
imag[9] = "images/nav/aboutorthodontics-on.jpg"
imag[10] = "images/nav/braces101-off.jpg"
imag[11] = "images/nav/braces101-on.jpg"
imag[12] = "images/nav/invisalign-off.jpg"
imag[13] = "images/nav/invisalign-on.jpg"
imag[14] = "images/nav/thegameroom-off.jpg"
imag[15] = "images/nav/thegameroom-on.jpg"
imag[16] = "images/nav/contactus-off.jpg"
imag[17] = "images/nav/contactus-on.jpg"
imag[18] = "images/nav/home-off.jpg"
imag[19] = "images/nav/home-on.jpg"
imag[20] = "images/nav/subnav/forchildren-off.jpg"
imag[21] = "images/nav/subnav/forchildren-on.jpg"
imag[22] = "images/nav/subnav/foradults-off.jpg"
imag[23] = "images/nav/subnav/foradults-on.jpg"
imag[24] = "images/nav/subnav/commontreatments-off.jpg"
imag[25] = "images/nav/subnav/commontreatments-on.jpg"
imag[26] = "images/nav/subnav/surgicalorthodontics-off.jpg"
imag[27] = "images/nav/subnav/surgicalorthodontics-on.jpg"
imag[28] = "images/nav/subnav/resources-off.jpg"
imag[29] = "images/nav/subnav/resources-on.jpg"
imag[30] = "images/nav/subnav/typesofbraces-off.jpg"
imag[31] = "images/nav/subnav/typesofbraces-on.jpg"
imag[32] = "images/nav/subnav/bracesdiagram-off.jpg"
imag[33] = "images/nav/subnav/bracesdiagram-on.jpg"
imag[34] = "images/nav/subnav/bracepainter-off.jpg"
imag[35] = "images/nav/subnav/bracepainter-on.jpg"
imag[36] = "images/nav/subnav/faqs-off.jpg"
imag[37] = "images/nav/subnav/faqs-on.jpg"
imag[38] = "images/nav/subnav/retainers-off.jpg"
imag[39] = "images/nav/subnav/retainers-on.jpg"
imag[40] = "images/nav/subnav/emergencycare-off.jpg"
imag[41] = "images/nav/subnav/emergencycare-on.jpg"
imag[42] = "images/nav/subnav/commentform-off.jpg"
imag[43] = "images/nav/subnav/commentform-on.jpg"
imag[44] = "images/nav/subnav/patientreferral-off.jpg"
imag[45] = "images/nav/subnav/patientreferral-on.jpg"
imag[46] = "images/nav/subnav/doctorreferral-off.jpg"
imag[47] = "images/nav/subnav/doctorreferral-on.jpg"
imag[48] = "images/nav/whattoexpect-off.jpg"
imag[49] = "images/nav/whattoexpect-on.jpg"

function swtch(num, imgname){
                imgname.src = im[num].src
        }
                im = new Array()
                for (var i = 0; i < imag.length; i++){
                im[i] = new Image ()
                im[i].src = imag[i]
        }