Login Coder Needs to Open In Window!!

[dabowlr]

I have this login coder, that I cannot seem to get to open in a new page. I have tried everything that I know of, can anyone help??

<tr><td>Municipality:</td><td><select name=memlist>
<option value='x'>
<option value='Algonquin|31587|JPHPQSXR'>Algonquin
<option value='Barrington|25311|FDYYPQIT'>Barrington
<option value='Bull Valley|50655|CDRSYCSS'>Bull Valley
<option value='Cary|52065|DJXCJQOI'>Cary
<option value='Crystal Lake|52065|DAEWUFOL'>Crystal Lake
<option value='Fox River Grove|50711|GUFTKCIS'>Fox River Grove
<option value='Harvard|50711|IGZXCYHJ'>Harvard
<option value='Hebron|17020|IMEZVOOU'>Hebron
<option value='Holiday Hills|59921|JUNJGEZP'>Holiday Hills
<option value='Huntley|7030|KUNVNFDN'>Huntley
<option value='Island Lake|13371|JWNDSENE'>Island Lake
<option value='Johnsburg|3468|RUOOUCUR'>Johnsburg
<option value='Lake In The Hills|3027|UGKENILL'>Lake In The Hills
<option value='Lakemoor|2954|MCKENPTR'>Lakemoor
<option value='Lakewood|27846|RARICQOG'>Lakewood
<option value='Marengo|21519|SIXFOMOI'>Marengo
<option value='McCullom Lake|28398|UCCXLNQO'>McCullom Lake
<option value='McHenry|42256|NGMMOSGJ'>McHenry
<option value='Oakwood Hills|5027|PJLWQXHI'>Oakwood Hills
<option value='Port Barrington|66327|RRTWBBZX'>Port Barrington
<option value='Prairie Grove|14724|QZBRRKFG'>Prairie Grove
<option value='Richmond|74845|TPHJPORF'>Richmond
<option value='Spring Grove|32058|TSTKPIPR'>Spring Grove
<option value='Union|31410|VOQPQORL'>Union
<option value='Wonder Lake|27598|DOPFHTMD'>Wonder Lake
<option value='Woodstock|63422|YTQKYZOH'>Woodstock
<option value='McHenry County Sherrif|20783|OUMESLGG'>McHenry County Sherrif
<option value='Illinois State Police|10569|JNMPWOJU'>Illinois State Police
</select></td></tr>
<tr><td>Password:</td><td><input type=password size=10 maxlength=8 name=pass></td></tr>
<tr><td colspan=2 align=center><input type=button value="Login" onclick="window.open(check(this.form))"></td>
</tr>
</table>
</form>
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
var params=new Array(4);
var alpha="ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHI";
function check(form) {
which=form.memlist.selectedIndex;
choice = form.memlist.options[which].value+"|";
if (choice=="x|") {
alert("Please Select Your Name From The List");
return;
}
p=0;
for (i=0;i<3;i++) {
a=choice.indexOf("|",p);
params[i]=choice.substring(a,p);
p=a+1;
}
h1=makehash(form.pass.value,3);
h2=makehash(form.pass.value,10)+" ";
if (h1!=params[1]) {
alert("Incorrect Password!"); return; };
var page="";
for (var i=0;i<8;i++) {
letter=params[2].substring(i,i+1)
ul=letter.toUpperCase();
a=alpha.indexOf(ul,0);
a-=(h2.substring(i,i+1)*1);
if (a<0) a+=26;
page+=alpha.substring(a,a+1); };
top.location=page.toLowerCase()+".html";
}
function makehash(pw,mult) {
pass=pw.toUpperCase();
hash=0;
for (i=0;i<8;i++) {
letter=pass.substring(i,i+1);
c=alpha.indexOf(letter,0)+1;
hash=hash*mult+c;
}
return(hash);
}
// End -->
</script>

[so_is_this]

This:

onclick="window.open(check(this.form))"

should be just this:

onclick="return check(this.form)"

and this:

top.location=page.toLowerCase()+".html";

should be this:

window.open(page.toLowerCase()+".html");