The code for jqmodal:

var BrowserDetect = {
init: function () {
this.browser = this.searchString(this.dataBrowser) || “An unknown browser”;
this.version = this.searchVersion(navigator.userAgent)
|| this.searchVersion(navigator.appVersion)
|| “an unknown version”;
this.OS = this.searchString(this.dataOS) || “an unknown OS”;
},
searchString: function (data) {
for (var i=0;i<data.length;i++) {
var dataString = data[i].string;
var dataProp = data[i].prop;
this.versionSearchString = data[i].versionSearch || data[i].identity;
if (dataString) {
if (dataString.indexOf(data[i].subString) != -1)
return data[i].identity;
}
else if (dataProp)
return data[i].identity;
}
},
searchVersion: function (dataString) {
var index = dataString.indexOf(this.versionSearchString);
if (index == -1) return;
return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
},
dataBrowser: [
{
string: navigator.userAgent,
subString: "Chrome",
identity: "Chrome"
},
{ string: navigator.userAgent,
subString: "OmniWeb",
versionSearch: "OmniWeb/",
identity: "OmniWeb"
},
{
string: navigator.vendor,
subString: "Apple",
identity: "Safari",
versionSearch: "Version"
},
{
prop: window.opera,
identity: "Opera"
},
{
string: navigator.vendor,
subString: "iCab",
identity: "iCab"
},
{
string: navigator.vendor,
subString: "KDE",
identity: "Konqueror"
},
{
string: navigator.userAgent,
subString: "Firefox",
identity: "Firefox"
},
{
string: navigator.vendor,
subString: "Camino",
identity: "Camino"
},
{ // for newer Netscapes (6+)
string: navigator.userAgent,
subString: "Netscape",
identity: "Netscape"
},
{
string: navigator.userAgent,
subString: "MSIE",
identity: "Explorer",
versionSearch: "MSIE"
},
{
string: navigator.userAgent,
subString: "Gecko",
identity: "Mozilla",
versionSearch: "rv"
},
{ // for older Netscapes (4-)
string: navigator.userAgent,
subString: "Mozilla",
identity: "Netscape",
versionSearch: "Mozilla"
}
],
dataOS : [
{
string: navigator.platform,
subString: "Win",
identity: "Windows"
},
{
string: navigator.platform,
subString: "Mac",
identity: "Mac"
},
{
string: navigator.userAgent,
subString: "iPhone",
identity: "iPhone/iPod"
},
{
string: navigator.platform,
subString: "Linux",
identity: "Linux"
}
]

};
BrowserDetect.init();

/*
* jqModal – Minimalist Modaling with jQuery
* (http://dev.iceburg.net/jquery/jqModal/)
*
* Copyright (c) 2007,2008 Brice Burgess
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*
* $Version: 03/01/2009 +r14
*/
(function($) {
$.fn.jqm=function(o){
var p={
overlay: 50,
overlayClass: ‘jqmOverlay’,
closeClass: ‘jqmClose’,
trigger: ‘.jqModal’,
ajax: F,
ajaxText: ”,
target: F,
modal: F,
toTop: F,
onShow: F,
onHide: F,
onLoad: F
};
return this.each(function(){if(this._jqm)return H[this._jqm].c=$.extend({},H[this._jqm].c,o);s++;this._jqm=s;
H[s]={c:$.extend(p,$.jqm.params,o),a:F,w:$(this).addClass(’jqmID’+s),s:s};
if(p.trigger)$(this).jqmAddTrigger(p.trigger);
});};

$.fn.jqmAddClose=function(e){return hs(this,e,’jqmHide’);};
$.fn.jqmAddTrigger=function(e){return hs(this,e,’jqmShow’);};
$.fn.jqmShow=function(t){return this.each(function(){t=t||window.event;$.jqm.open(this._jqm,t);});};
$.fn.jqmHide=function(t){return this.each(function(){t=t||window.event;$.jqm.close(this._jqm,t)});};

$.jqm = {
hash:{},
open:function(s,t){var h=H[s],c=h.c,cc=’.'+c.closeClass,z=(parseInt(h.w.css(’z-index’))),z=(z>0)?z:3000,o=$(”).css({height:’100%’,width:’100%’,position:’fixed’,left:0,top:0,’z-index’:z-1,opacity:c.overlay/100});if(h.a)return F;h.t=t;h.a=true;h.w.css(’z-index’,z);
if(c.modal) {if(!A[0])L(’bind’);A.push(s);}
else if(c.overlay > 0)h.w.jqmAddClose(o);
else o=F;

h.o=(o)?o.addClass(c.overlayClass).prependTo(’body’):F;
if(ie6){$(’html,body’).css({height:’100%’,width:’100%’});if(o){o=o.css({position:’absolute’})[0];for(var y in {Top:1,Left:1})o.style.setExpression(y.toLowerCase(),”(_=(document.documentElement.scroll”+y+” || document.body.scroll”+y+”))+’px’”);}}

if(c.ajax) {var r=c.target||h.w,u=c.ajax,r=(typeof r == ’string’)?$(r,h.w):$(r),u=(u.substr(0,1) == ‘@’)?$(t).attr(u.substring(1)):u;
r.html(c.ajaxText).load(u,function(){if(c.onLoad)c.onLoad.call(this,h);if(cc)h.w.jqmAddClose($(cc,h.w));e(h);});}
else if(cc)h.w.jqmAddClose($(cc,h.w));

if(c.toTop&&h.o)h.w.before(”).insertAfter(h.o);
(c.onShow)?c.onShow(h):h.w.show();e(h);return F;
},
close:function(s){var h=H[s];if(!h.a)return F;h.a=F;
if(A[0]){A.pop();if(!A[0])L(’unbind’);}
if(h.c.toTop&&h.o)$(’#jqmP’+h.w[0]._jqm).after(h.w).remove();
if(h.c.onHide)h.c.onHide(h);else{h.w.hide();if(h.o)h.o.remove();} return F;
},
params:{}};
var s=0,H=$.jqm.hash,A=[],ie6=$.browser.msie&&($.browser.version == “6.0″)&&(BrowserDetect.version!=8),F=false,
i=$(”).css({opacity:0}),
e=function(h){if(ie6)if(h.o)h.o.html(”).prepend(i);else if(!$(’iframe.jqm’,h.w)[0])h.w.prepend(i); f(h);},
f=function(h){try{$(’:input:visible’,h.w)[0].focus();}catch(_){}},
L=function(t){$()[t](”keypress”,m)[t](”keydown”,m)[t](”mousedown”,m);},
m=function(e){var h=H[A[A.length-1]],r=(!$(e.target).parents(’.jqmID’+h.s)[0]);if(r)f(h);return !r;},
hs=function(w,t,c){return w.each(function(){var s=this._jqm;$(t).each(function() {
if(!this[c]){this[c]=[];$(this).click(function(){for(var i in {jqmShow:1,jqmHide:1})for(var s in this[i])if(H[this[i][s]])H[this[i][s]].w[i](this);return F;});}this[c].push(s);});});};
})(jQuery);

Greg

ie6=$.browser.msie&&($.browser.version == “6.0″)&&!window.XMLHttpRequest;

Fixed my problems with wrong IE8/IE6 detection.