function banner()
{
	num = Math.floor(Math.random() * 7) + 1;
	document.write('<embed src="\/themes\/default\/images\/banner_' + num + '.swf" width="770" height="124" wmode="transparent"><\/embed>');
}
$(function(){
	var banner = $('#banner');
	var num = Math.floor(Math.random() * 4) + 1;
	var file = "url('\/themes\/default\/images\/banner_" + num + ".jpg') no-repeat";
	banner.css('background', file);
});