need help with JavaScript Slideshow

hi, I used the slide show script and it works great except the fact that i use 2 sizes 500x375 and 375x500 so it looks not good. I think it have to do with this line :

<a href="javascript:gotoshow()"><img src="food1.jpg" name="slide" border=0 width=300 height=375></a>

bit I don't know how to change him in a way the portrait and landscape images look well

thanks..........................
cosmic

Try it without the Width and Height attributes and see how it looks