
var images_on = Array();
var images_off = Array();

function window_open_centered(url, win_width, win_height) {
	
	var screen_width = window.screen.width;
	var screen_height = window.screen.height;
	
	var win_left = screen_width / 2 - win_width / 2;
	var win_top = screen_height / 2 - win_height / 2;
	
	var win = window.open(url, "", "width=" + win_width + ", height=" + win_height + ", location=0, menubar=0, resizable=0, status=0, titlebar=0, toolbar=0, screenX=100, left=" + win_left + ", screenY=30, top=" + win_top);
 	
}

function open_pic(link, w, h, l, t) {
	
	pic = window.open('','pic',config='height='+(h+40)+',width='+(w+40)+',toolbar=0,resizable=0,scrollbars=0,left=' + l + ',top=' + t + '');
	
	pic.document.write("<html>");
	pic.document.write("<body>");
	pic.document.write("<head><title></title></head>");
	pic.document.write('<table width="100%" height="100%" cellpadding="0" cellspacing="0" border="0">');
	pic.document.write('<tr><td width="100%" height="100%" valign="middle" align="center"><img src="' + link + '" border="0"></td></tr>');
	pic.document.write("</table>");
	pic.document.write("</body>");
	pic.document.write("</html>");
	
	pic.document.close();
	
	pic.focus();
	
}

function preload_images_on() {
	
	var args = preload_images_on.arguments;
	
	for (var i = 0; i < args.length; i += 1) {
		var img = new Image();
		img.src = args[i];
		images_on.push(img);
	}
	
}

function preload_images_off() {
	
	var args = preload_images_off.arguments;
	
	for (var i = 0; i < args.length; i += 1) {
		var img = new Image();
		img.src = args[i];
		images_off.push(img);
	}
	
}

function onmouse_images(k) {
	
	for (var i = 0; i < images_on.length; i += 1) {
		var img = document.getElementById("brand_images[" + i + "]");
		if (img) {
			img.src = k == i ? images_on[i].src : images_off[i].src;
		}
	}
	
}
