function clearField(field) {
		if (field.value == field.defaultValue) field.value="";
	}

	function soeg1() {
		if (document.soeg.soegord.value=="" || document.soeg.soegord.value=="Søgefelt") {
			alert("Der er ikke indtastet et søgeord!");
			document.soeg.soegord.focus();
		}
		else {
			document.soeg.submit();
		}
	}

	function searchtext() {
		var s = document.getElementById("searchtext");
		if (s) {
			var searchtext = fullReplace(fullReplace(s.value, "  ", " "), "&", "|*|");
			if (fullReplace(searchtext, " ", "") != "" && searchtext != "Søg") {
				//alert(searchtext);
				document.location = "searchtext.asp?soegord="+searchtext;
			}
			else {
				alert("Du skal skrive et ord eller en sætning!");
				s.focus();
			}
		}
	}

	if (document.getElementById("searchtext")) {
		if (document.getElementById("fmenu"))
			document.getElementById("fmenu").style.margin = 0;
		if (document.getElementById("bmenu"))
			document.getElementById("bmenu").style.margin = 0;
	}

	function fullReplace(entry, out, add) {
		temp = "" + entry; // temporary holder
		while (temp.indexOf(out)>-1) {
			pos= temp.indexOf(out);
			temp = "" + (temp.substring(0, pos) + add + 
			temp.substring((pos + out.length), temp.length));
		}
		return temp;
	}

	function grabURL(strURL) {
		var strResponse;

		if (document.all) {
			try {
				var xml = new ActiveXObject("Microsoft.XMLHTTP");
				xml.Open("GET", strURL, false );
				xml.Send()
				strResponse=xml.responseText;
			}
			catch (e) {
				var xml = new ActiveXObject("MSXML2.XMLHTTP.4.0");
				xml.Open("GET", strURL, false );
				xml.Send()
				strResponse=xml.responseText;
			}
		}
		else {
			var xml=new XMLHttpRequest();
			xml.open("GET", strURL, false);
			xml.send(null);
			strResponse=xml.responseText;
		}
		return rensStr(strResponse);
	}

	function hentBy(objText, postnummer) {
		var strBy;
		strBy = grabURL("hentBy.asp?postnr="+postnummer);
		strBy = strBy.replace(/%2B/g, " ");
		strBy = strBy.replace(/%252C/g, ",");
		strBy = strBy.replace(/&/g, "&");
		strBy = strBy.replace(/æ/g, "æ");
		strBy = strBy.replace(/ø/g, "ø");
		strBy = strBy.replace(/å/g, "å");
		strBy = strBy.replace(/Æ/g, "Æ");
		strBy = strBy.replace(/Ø/g, "Ø");
		strBy = strBy.replace(/Å/g, "Å");
		strBy = strBy.replace(/é/g, "é");
		if (strBy != "") {
			objText.value = strBy;
		}
		else {
			objText.value = "";
		}
	}

	function rensStr(strTxt) {
		strTxt = strTxt.replace("æ", "æ");
		strTxt = strTxt.replace("ø", "ø");
		strTxt = strTxt.replace("å", "å");
		strTxt = strTxt.replace("Æ", "Æ");
		strTxt = strTxt.replace("Ø", "Ø");
		strTxt = strTxt.replace("Å", "Å");
		strTxt = strTxt.replace("é", "é");
		return strTxt;
	}

	function pop(W, H, winPage, winName, scrollbars, status) {
		var swidth = (screen.width - W) / 2;
		var sheight = (screen.height - H) / 2;
		var stat = status;
		if (stat!="yes") {
			stat="no";
		}
		var settings = 'width='+W+',height='+H+',top='+sheight+',left='+swidth+',scrollbars='+scrollbars+',status='+stat+''
		var win = window.open(winPage, winName, settings)
		if (parseInt(navigator.appVersion) >= 4) {
			win.window.focus();
		}
	}

	function checkDato(dag, md, aar) {
		var res = grabURL("checkdato.asp?dato="+dag+"-"+md+"-20"+aar);
		if (res=="ugyldig") {
			return true;
		}
	}

	function checkMail(email) {
		var res = grabURL("checkmail.asp?email="+email);
		if (res!="") {
			alert(res);
			return true;
		}
	}

	function checkMail2(email) {
		var AtPos = email.indexOf("@");
		var PunktumPos = email.indexOf(".",AtPos);
		var StopPos = email.lastIndexOf(".");
		var result = false;

		if (email.indexOf("@",AtPos+1) != -1) {
			result = true;
		}
		if (AtPos == -1 || StopPos == -1) {
			result =  true;
		}
		if (StopPos < AtPos) {
			result =  true;
		}
		if (StopPos - AtPos == 1) {
			result =  true;
		} 
		// mindst et punktum efter @-tegnet 
		if (PunktumPos == -1) {
			result =  true;
		}
		// der skal være mindst 2 tegn efter punktummet 
		if (PunktumPos+3 > email.length) {
			result =  true;
		}
		return result;
	}

	function vote() {
		var radio_vote = false;
		for (counter = 0; counter < document.poll.vote.length; counter++) {
			if (document.poll.vote[counter].checked) {
				radio_vote = true;
			}
		}
		if (!radio_vote) {
			alert("Du skal vælge en af mulighederne for at stemme!")
		}
		else {
			document.poll.submit();
		}
	}

	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: "OmniWeb",
				versionSearch: "OmniWeb/",
				identity: "OmniWeb"
			},
			{
				string: navigator.vendor,
				subString: "Apple",
				identity: "Safari"
			},
			{
				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.platform,
				subString: "Linux",
				identity: "Linux"
			}
		]

	};
	BrowserDetect.init();