function backgroundImage(category,product)
{
	document.write('<style type="text/css">');
	document.write('<!--');
	document.write('body {background-image: url(assets/images/'+category+'.background.'+product+'.jpg); background-position: center; background-repeat: no-repeat; margin: 0; padding: 0;}');
	document.write('-->');
	document.write('</style>');
}