function validate() {
mNv=mainform.navn.value;
if (mNv=='') {
alert('Navn må fylles ut. Vennligst forsøk igjen.');
event.returnValue=false;
}
}

            function MM_preloadImages()
                { //v3.0
                var d = document;

                if (d.images)
                    {
                    if (!d.MM_p)
                        d.MM_p = new Array();

                    var i, j = d.MM_p.length, a = MM_preloadImages.arguments;

                    for (i = 0; i < a.length; i++)
                        if (a[i].indexOf("#") != 0)
                            {
                            d.MM_p[j] = new Image;
                            d.MM_p[j++].src = a[i];
                            }
                    }
                }

            function MM_findObj(n, d)
                { //v4.01
                var p, i, x;

                if (!d)
                    d = document;

                if ((p = n.indexOf("?")) > 0 && parent.frames.length)
                    {
                    d = parent.frames[n.substring(p + 1)].document;
                    n = n.substring(0, p);
                    }

                if (!(x = d[n]) && d.all)
                    x = d.all[n];

                for (i = 0; !x && i < d.forms.length; i++)
                    x = d.forms[i][n];

                for (i = 0; !x && d.layers && i < d.layers.length; i++)
                    x = MM_findObj(n, d.layers[i].document);

                if (!x && d.getElementById)
                    x = d.getElementById(n);

                return x;
                }

            function MM_nbGroup(event, grpName)
                { //v6.0
                var i, img, nbArr, args = MM_nbGroup.arguments;

                if (event == "init" && args.length > 2)
                    {
                    if ((img = MM_findObj(args[2])) != null && !img.MM_init)
                        {
                        img.MM_init = true;
                        img.MM_up = args[3];
                        img.MM_dn = img.src;

                        if ((nbArr = document[grpName]) == null)
                            nbArr = document[grpName] = new Array();

                        nbArr[nbArr.length] = img;

                        for (i = 4; i < args.length - 1; i += 2)
                            if ((img = MM_findObj(args[i])) != null)
                                {
                                if (!img.MM_up)
                                    img.MM_up = img.src;

                                img.src = img.MM_dn = args[i + 1];
                                nbArr[nbArr.length] = img;
                                }
                        }
                    }

                else if (event == "over")
                    {
                    document.MM_nbOver = nbArr = new Array();

                    for (i = 1; i < args.length - 1; i += 3)
                        if ((img = MM_findObj(args[i])) != null)
                            {
                            if (!img.MM_up)
                                img.MM_up = img.src;

                            img.src = (img.MM_dn && args[i + 2])
                                ? args[i + 2] : ((args[i + 1]) ? args[i + 1] : img.MM_up);
                            nbArr[nbArr.length] = img;
                            }
                    }

                else if (event == "out")
                    {
                    for (i = 0; i < document.MM_nbOver.length; i++)
                        {
                        img = document.MM_nbOver[i];
                        img.src = (img.MM_dn) ? img.MM_dn : img.MM_up;
                        }
                    }

                else if (event == "down")
                    {
                    nbArr = document[grpName];

                    if (nbArr)
                        for (i = 0; i < nbArr.length; i++)
                            {
                            img = nbArr[i];
                            img.src = img.MM_up;
                            img.MM_dn = 0;
                            }

                    document[grpName] = nbArr = new Array();

                    for (i = 2; i < args.length - 1; i += 2)
                        if ((img = MM_findObj(args[i])) != null)
                            {
                            if (!img.MM_up)
                                img.MM_up = img.src;

                            img.src = img.MM_dn = (args[i + 1]) ? args[i + 1] : img.MM_up;
                            nbArr[nbArr.length] = img;
                            }
                    }
                }