function findExLinks() {
	var linkObjs = document.getElementsByTagName('a');
	for (var i = 0; i < linkObjs.length; i++) {
		link = linkObjs[i].getAttribute('rel');
		if (link == "external") {
			linkObjs[i].onclick = newWin;
		}
	}
}

function newWin () {
	// window features
	var status = "1";
	var toolbar = "1";
	var location = "1";
	var menubar = "1";
	var directories = "0";
	var resizable = "1";
	var scrollbars = "1";	
	var features = "status=" + status + ",toolbar=" + toolbar + ",location=" + location + ",menubar=" + menubar + ",directories=" + directories + ",resizable=" + resizable + ",scrollbars=" + scrollbars;
	var newWin = window.open(this, "newWin", features);

	newWin.focus();	
	return false;
}

// total number of random image choices for left column
var leftSwapTotal = 27;

$(document).ready(function() {
	// pick random image for left column
	var randomNum = Math.floor(Math.random() * leftSwapTotal) + 1;
	$("#left img:first-child").attr("src","/rsa/dontindex/esi/images/left" + randomNum + ".jpg");
	
	// set up external links to open in new windows
	findExLinks();
	
	// set up search field events
	$("#q").val("search...");
	$("#q").click(function () {
		if (($("#q").val() == "search...")) {
			$("#q").val("");
		}
	});
	$("#q").blur(function () {
		if ($("#q").val() == "") {
			$("#q").val("search...");
		}
	});
});