function trailer(size){ 
	var top = parseInt((window.screen.availHeight / 2) - 248);
	var left = parseInt((window.screen.availWidth / 2) - 320);
	trail = window.open('/trailer/'+size,'Trailer','top='+top+',left='+left+',width=640,height=496,scrollbars=no,resizable=yes,toolbar=no');
}