load function does not work in IE 6

load function does not work in IE 6

hi,
my website www.hotel-nova.com works fine in IE7 and IE8.
in IE6 the content does not load. what could be the reason for this?
  1. //content load start http://net.tutsplus.com/tutorials/javascript-ajax/how-to-load-in-and-animate-content-with-jquery/
    $(document).ready(function() {
                              
        var hash = window.location.hash.substr(1);
        var href = $('#nav li a').each(function(){
            var href = $(this).attr('href');
            if(hash==href.substr(0,href.length-5)){
                var toLoad = hash+'.php #content';
                $('#content').load(toLoad)
            }                                           
        });

        $('#nav li a').click(function(){
                                     
            var toLoad = $(this).attr('href')+' #content';
            $('#content').hide('fast',loadContent);
            $('#load').remove();
            $('#wrap').append('<span id="load">LOADING...</span>');
            $('#load').fadeIn('normal');
            window.location.hash = $(this).attr('href').substr(0,$(this).attr('href').length-5);
           
           
            function loadContent() {
                $('#content').load(toLoad,'',showNewContent)
            }
           
       
           
           
            /*
            function loadContent() {
                $('#content').load(toLoad,'',showNewContent())
            }
            function loadContent() {
                $('#content').load(toLoad,'',showNewContent)
            }
             function showNewContent(responseText) {
                            var reScript = /<SCRIPT[^>]*>((.|\n|\r)*)<\/SCRIPT>/ig;
                            var Scripts;
                            while (Scripts = reScript.exec(responseText)){
                              eval(Scripts[1]);
                            }
                $('#content').show('normal',hideLoader());
                       }
                } */   
               
                   
                    function showNewContent() {
                            $("a.box").fancybox({ //lightbox erneut einrichten beim erneuten laden
                          'speedIn':600,
                            'speedOut':200,
                         'type':'iframe',
                        'autoDimensions': false,
                'width':750,
                'height' :     'auto'
                            });   
                           
                            $("a.skizzen").fancybox({ //lightbox erneut einrichten beim erneuten laden
                            'speedIn':600,
                               'speedOut':200,
                            'type':    'iframe',
                  'scrolling':'no'
                 //'autoDimensions'    : false,
                //'width' : 650,
                //'height' : 450,
                            });   

                $('#content').show('normal',hideLoader());
            }
           
            //function showNewContent() {
                //$('#content').show('normal',hideLoader());
            //}
            function hideLoader() {
                $('#load').fadeOut('normal');
            }
            return false;
           
        });

    });
    //content load ende





    /*********************
    //* jQuery Multi Level CSS Menu #2- By Dynamic Drive: http://www.dynamicdrive.com/
    //* Last update: Nov 7th, 08': Limit # of queued animations to minmize animation stuttering
    //* Menu avaiable at DD CSS Library: http://www.dynamicdrive.com/style/
    *********************/

    //Specify full URL to down and right arrow images (23 is padding-right to add to top level LIs with drop downs):
    var arrowimages={down:['downarrowclass', 'images/trans.gif', 23], right:['rightarrowclass', 'images/trans.gif']}

    var jqueryslidemenu={

    animateduration: {over: 300, out: 100}, //duration of slide in/ out animation, in milliseconds

    buildmenu:function(menuid, arrowsvar){
        jQuery(document).ready(function($){
            var $mainmenu=$("#"+menuid+">ul")
            var $headers=$mainmenu.find("ul").parent()
            $headers.each(function(i){
                var $curobj=$(this)
                var $subul=$(this).find('ul:eq(0)')
                this._dimensions={w:this.offsetWidth, h:this.offsetHeight, subulw:$subul.outerWidth(), subulh:$subul.outerHeight()}
                this.istopheader=$curobj.parents("ul").length==1? true : false
                $subul.css({top:this.istopheader? this._dimensions.h+"px" : 0})
                $curobj.children("a:eq(0)").css(this.istopheader? {paddingRight: arrowsvar.down[2]} : {}).append(
                    '<img src="'+ (this.istopheader? arrowsvar.down[1] : arrowsvar.right[1])
                    +'" class="' + (this.istopheader? arrowsvar.down[0] : arrowsvar.right[0])
                    + '" style="border:0;" />'
                )
                $curobj.hover(
                    function(e){
                        var $targetul=$(this).children("ul:eq(0)")
                        this._offsets={left:$(this).offset().left, top:$(this).offset().top}
                        var menuleft=this.istopheader? 0 : this._dimensions.w
                        menuleft=(this._offsets.left+menuleft+this._dimensions.subulw>$(window).width())? (this.istopheader? -this._dimensions.subulw+this._dimensions.w : -this._dimensions.w) : menuleft
                        if ($targetul.queue().length<=1) //if 1 or less queued animations
                            $targetul.css({left:menuleft+"px", width:this._dimensions.subulw+'px'}).slideDown(jqueryslidemenu.animateduration.over)
                    },
                    function(e){
                        var $targetul=$(this).children("ul:eq(0)")
                        $targetul.slideUp(jqueryslidemenu.animateduration.out)
                    }
                ) //end hover
            }) //end $headers.each()
            $mainmenu.find("ul").css({display:'none', visibility:'visible'})
        }) //end document.ready
    }
    }

    //build menu with ID="myslidemenu" on page:
    jqueryslidemenu.buildmenu("myslidemenu", arrowimages)

    //slide menu ende


    //    This javascript tags file downloads and external links in Google Analytics.
    //    You need to be using the Google Analytics New Tracking Code (ga.js)
    //    for this script to work.
    //    To use, place this file on all pages just above the Google Analytics tracking code.
    //    All outbound links and links to non-html files should now be automatically tracked.
    //
    //    This script has been provided by Goodwebpractices.com
    //    Thanks to ShoreTel, MerryMan and Colm McBarron
    //
    //    www.goodwebpractices.com
    //    VKI has made changes as indicated below.                               

    if (document.getElementsByTagName) {
            // Initialize external link handlers
            var hrefs = document.getElementsByTagName("a");
            for (var l = 0; l < hrefs.length; l++) {
                    // try {} catch{} block added by erikvold VKI
                try{
                        //protocol, host, hostname, port, pathname, search, hash
                        if (hrefs[l].protocol == "mailto:") {
                                startListening(hrefs[l],"click",trackMailto);
                        } else if (hrefs[l].hostname == location.host) {
                                var path = hrefs[l].pathname + hrefs[l].search;
                                var isDoc = path.match(/\.(?:doc|eps|jpg|png|svg|xls|ppt|pdf|xls|zip|txt|vsd|vxd|js|css|rar|exe|wma|mov|avi|wmv|mp3)($|\&|\?)/);
                                if (isDoc) {
                                        startListening(hrefs[l],"click",trackExternalLinks);
                                }
                        } else {
                                startListening(hrefs[l],"click",trackExternalLinks);
                        }
                }
                catch(e){
                        continue;
                }
            }
    }

    function startListening (obj,evnt,func) {
            if (obj.addEventListener) {
                    obj.addEventListener(evnt,func,false);
            } else if (obj.attachEvent) {
                    obj.attachEvent("on" + evnt,func);
            }
    }

    function trackMailto (evnt) {
            var href = (evnt.srcElement) ? evnt.srcElement.href : this.href;
            var mailto = "/mailto/" + href.substring(7);
            if (typeof(pageTracker) == "object") pageTracker._trackPageview(mailto);
    }

    function trackExternalLinks (evnt) {
            var e = (evnt.srcElement) ? evnt.srcElement : this;
            while (e.tagName != "A") {
                    e = e.parentNode;
            }
            var lnk = (e.pathname.charAt(0) == "/") ? e.pathname : "/" + e.pathname;
            if (e.search && e.pathname.indexOf(e.search) == -1) lnk += e.search;
            if (e.hostname != location.host) lnk = "/external/" + e.hostname + lnk;
            if (typeof(pageTracker) == "object") pageTracker._trackPageview(lnk);
    }

    //Ende tracking