var mainurl = "http://portfolio.alexseifert.com/";

himg = new Image()
himg.src = mainurl + "_images/musicpage.png" 
himg2 = new Image()
himg2.src = mainurl + "_images/musicpage2en.png" 
function musicImg() {document.getElementById('music').src = himg2.src}
function musicImgBack() {document.getElementById('music').src = himg.src}

spimg = new Image()
spimg.src = mainurl + "_images/scratchpadpage.png" 
spimg2 = new Image()
spimg2.src = mainurl + "_images/scratchpadpage2.png" 
function spImg() {document.getElementById('sp').src = spimg2.src}
function spImgBack() {document.getElementById('sp').src = spimg.src}        

wimg = new Image()
wimg.src = mainurl + "_images/writingspage.png" 
wimg2 = new Image()
wimg2.src = mainurl + "_images/writingspage2en.png" 
function wImg() {document.getElementById('w').src = wimg2.src}
function wImgBack() {document.getElementById('w').src = wimg.src}

woaimg = new Image()
woaimg.src = mainurl + "_images/historyrhymespage.png" 
woaimg2 = new Image()
woaimg2.src = mainurl + "_images/historyrhymespage2.png" 
function woaImg() {document.getElementById('woa').src = woaimg2.src}
function woaImgBack() {document.getElementById('woa').src = woaimg.src}