background images on body tag in IE 7 8

hi all, as someone who’s reasonably good with css i i’m getting very frustrated because i cannot for the life of me figure out why this issue is happening…

i’ve placed a background image in the body tag via css and it’s shows fine in chrome, safari and FF (on mac) but when go to that ie netrender site it doesn’t show in IE 7 or 8.

here’s the link to the site so you can see it properly:

alan’s tattoo studio

and here’s the css for the body tag:

body {
        margin: 0 auto;
        background: url(images/website_scrollhart_newest.gif) no-repeat center;
        font: 12px Verdana, Helvetica, Arial, Geneva, sans-serif;
	color: #333;
        height: 100%;
        min-height: 1%;
}

now it might be something horrifically simple (as these things often are!) but for the life of me i can’t figure it out.

if anyone could give me a clue that’d be great. 😀

take ‘er easy dude.