var browser = navigator.appName;

function menu(x)
{
	var divs = document.all ? document.all.tags("div") : document.getElementsByTagName("div");
	for (i = 0; i < divs.length; i++)
		if (divs[i].className == "menu")
			divs[i].style.display = "none";
	if (x)
		document.getElementById(x).style.display = "block";
}

function showIssue(x, y)
{
	var divs = document.all ? document.all.tags("div") : document.getElementsByTagName("div");
	for (i = 0; i < divs.length; i++)
		if (divs[i].className == "tabinfo")
			divs[i].style.display = "none";
	if (x && x != "random")
		document.getElementById(x).style.display = "block";

	var lnks = document.all ? document.all.tags("a") : document.getElementsByTagName("a");
	for (i = 0; i < lnks.length; i++)
		if (lnks[i].className == "tab")
			lnks[i].style.backgroundColor = "#666";
	if (y)
		y.style.backgroundColor = "#009";

	if (x == "random")
	{
		var r = 0;
		while (lnks[r].className != "tab")
			r = Math.floor(Math.random()*lnks.length);
		var n = lnks[r].innerHTML;

		lnks[r].style.backgroundColor = "#009";
		document.getElementById(n).style.display = "block";
	}
}

function resizeIMG(pic, x, y, per)
{
	var s = (browser != "Microsoft Internet Explorer" ? window.innerWidth : document.body.offsetWidth);
	var per = per || 1;
	
	if (per * s < x + 400)
	{
		newX = s - 450;
		document.getElementById(pic).style.width = per * newX + "px";
		newY = Math.floor(y * newX / x);
		document.getElementById(pic).style.height = per * newY + "px";
	}
}