JavaScript - Backbox Will Not Open In Ie

<div id="drop_box_nav">
<form action="#" onsubmit="return go_nav();">
<select name="my_links" id="my_links">
  <option value="url">name</option>
  <option value="url">name</option>
  <option value="url">name</option>
  <option value="url">name</option>
</select>
&nbsp;&nbsp;
<input type="submit" name="sub_nav" id="sub_nav" value="Go to URL" />
</form>
</div>
<script type="text/javascript" src="subnav.js"></script>

// ---------- script properties ----------

var include_num = 1;
var bold = 0;

// ---------- sites ----------


var s = new Array();

s[0] = "JSE^form.html^Enter JSE in the example above ...^open source, free, client side";
s[1] = "JSE DOCUMENTATION^doc.txt^JSE is a client-side local site search engine. Written entirely in JavaScript 1.3 it works with browsers from Netscape 4.7 to Microsoft Internet Explorer 6.0 ...^ faq, docs, instructions";


// ---------- end of script properties and sites ----------


var cookies = document.cookie;
var p = cookies.indexOf("d=");

if (p != -1) {
	var st = p + 2;
	var en = cookies.indexOf(";", st);
	if (en == -1) {
		en = cookies.length;
	}
	var d = cookies.substring(st, en);
	d = unescape(d);
}
var od = d;
var m = 0;
if (d.charAt(0) == '"' && d.charAt(d.length - 1) == '"') {
	m = 1;
}

var r = new Array();
var co = 0;

if (m == 0) {
	var woin = new Array();
	var w = d.split(" ");
	for (var a = 0; a < w.length; a++) {
		woin[a] = 0;
		if (w[a].charAt(0) == '-') {
			woin[a] = 1;
		}
	}
	for (var a = 0; a < w.length; a++) {
		w[a] = w[a].replace(/^\-|^\+/gi, "");
	}
	a = 0;
	for (var c = 0; c < s.length; c++) {
		pa = 0;
		nh = 0;
		for (var i = 0; i < woin.length; i++) {
			if (woin[i] == 0) {
				nh++;
				var pat = new RegExp(w[i], "i");
				var rn = s[c].search(pat);
				if (rn >= 0) {
					pa++;
				} else {
					pa = 0;
				}
			}
			if (woin[i] == 1) {
				var pat = new RegExp(w[i], "i");
				var rn = s[c].search(pat);
				if (rn >= 0) {
					pa = 0;
				}
			}
		}
		if (pa == nh) {
			r[a] = s[c];
			a++;
		}
	}
	co = a;
}

if (m == 1) {
	d = d.replace(/"/gi, "");
	var a = 0;
	var pat = new RegExp(d, "i");
	for (var c = 0; c < s.length; c++) {
		var rn = s[c].search(pat);
		if (rn >= 0) {
			r[a] = s[c];
			a++;
		}
	}
	co = a;

}


function return_query() {
	document.jse_Form.d.value = od;
}

function num_jse() {
	document.write(co);
}

function out_jse() {
	if (co == 0) {
		document.write('Your search did not match any documents.<p>Make sure all keywords are spelt correctly.<br>Try different or more general keywords.');
		return;
	}
	for (var a = 0; a < r.length; a++) {
		var os = r[a].split("^");
		if (bold == 1 && m == 1) {
			var br = "<b>" + d + "</b>";
			os[2] = os[2].replace(pat, br);
		}
		if (include_num == 1) {
			document.write(a + 1, '. <a href="', os[1], '">', os[0], '</a><br>', os[2], '<p>');
		} else {
			document.write('<a href="', os[1], '">', os[0], '</a><br>', os[2], '<p>');
		}
	}

}

<a href="http://google.com" target="_blank">click here</a>

document.writeln('<tr><td>' + "http://google.com" + '</td></tr>');

function openWindow() {
    window.open(  "xyz.html"  ) ;
}

window.open( "xyz.html" , "_self" ) ;

window.location.href = "xyz.html";

javascript:q=""+(window.getSelection?window.getSelection():document.getSelection?
document.getSelection():document.selection.createRange().text);if(!q)
q=prompt("Search terms [leave selection and box blank to list all pages] 
...").replace(/\s\+/g,"%252B");if(q!=null)location="http://www.google.com
/search?q="+q.replace(/\s+/g,"+")+"+site:"+location.hostname;void(0);

<script type="text/javascript">
function DoAllThese() {
window.open('http://google.com', 'One','_blank');
window.open('http://www.yahoo.com','Two','_blank');
}
</script>

<button onClick="DoAllThese();">Open</button>

function dec()
{

window.open("www.test.com/files/2010/test.pdf");

}