function imgOn(imgId) {
	if (document.images) {
		var image = document.getElementById(imgId);
		image.src = "images/menu_new/" + imgId + "_on.png";
	}
}

function imgOff(imgId) {
	if (document.images) {
		var image = document.getElementById(imgId);
		image.src = "images/menu_new/" + imgId + "_off.png";
	}
}

function hl(first, second) {
	imgOn(first);
	imgOn(second);
}

function nhl(first, second) {
	imgOff(first);
	imgOff(second);
}

function openCommentWindow(id) {
	window.open('addComment.php?topicId=' + id, '', 'width=365, height=260, scrollbars=no');
}

function showImageWindow(id) {
	window.open('showImageFullSize.php?resize=full&id=' + id, '', 'width=800, height=600, scrollbars=yes');
}

function preloadMenuImages() {
	if (document.images) {
		var pic1on = new Image(54,13);
		var pic1off = new Image(54,13);
		var pic2on = new Image(49,13);
		var pic2off = new Image(49,13);
		var pic3on = new Image(47,13);
		var pic3off = new Image(47,13);
		var pic4on = new Image(48,13);
		var pic4off = new Image(48,13);
		var pic5on = new Image(48,13);
		var pic5off = new Image(48,13);
		var pic6on = new Image(49,13);
		var pic6off = new Image(49,13);
		var pic7on = new Image(53,13);
		var pic7off = new Image(53,13);
		
		pic1on.src = "images/menu_new/1_on.png";
		pic1off.src = "images/menu_new/1_off.png";
		pic2on.src = "images/menu_new/2_on.png";
		pic2off.src = "images/menu_new/2_off.png";
		pic3on.src = "images/menu_new/3_on.png";
		pic3off.src = "images/menu_new/3_off.png";
		pic4on.src = "images/menu_new/4_on.png";
		pic4off.src = "images/menu_new/4_off.png";
		pic5on.src = "images/menu_new/5_on.png";
		pic5off.src = "images/menu_new/5_off.png";
		pic6on.src = "images/menu_new/6_on.png";
		pic6off.src = "images/menu_new/6_off.png";
		pic7on.src = "images/menu_new/7_on.png";
		pic7off.src = "images/menu_new/7_off.png";
	}
}