function switch_box(box){
	if(box=='tv'){
		document.getElementById('tv_mar_box_2').style.display='none';
		document.getElementById('tv_mar_box').style.display='block';
	}else{
		document.getElementById('tv_mar_box_2').style.display='block';
		document.getElementById('tv_mar_box').style.display='none';
	}
}

function open_popup(url){
	window.open(url,'radio','menubar=0,resizable=0,scrollbars=0,status=0,toolbar=0,width=250,height=100');
}