function docheck(x) {
	document.getElementById('web').src = '/img/web_off.png';
	document.getElementById('music').src = '/img/music_off.png';
	document.getElementById('images').src = '/img/images_off.png';
	//document.getElementById('videos').src = '/img/videos_off.png';
	if (x == 'web') {
		document.getElementById('web').src = '/img/web_on.png';
		document.search.s[0].checked = true;
	}
	else if (x == 'music') {
		document.getElementById('music').src = '/img/music_on.png';
		document.search.s[1].checked = true;
	}
	else if (x == 'images') {
		document.getElementById('images').src = '/img/images_on.png';
		document.search.s[2].checked = true;
	}

	/*else if (x == 'videos') {
		document.getElementById('videos').src = '/img/videos_on.png';
		document.search.s[3].checked = true;
	}*/
	if (document.search.where.value != x && document.search.where.value != '' && document.search.q.value != '') {
		document.search.submit();
	}
	document.search.q.focus();
}