/**
	------------------------------------------------------------------------------------------------------
	Allgemeine JS-Functions fuer den Konfigurator-Prototyp
	08.02.2008
	------------------------------------------------------------------------------------------------------
**/


	/** liefert die Id des selektierten Input-Felds **/
	 function getCheckedRadio(form, radioname) {

	 	if (!document.forms[form].elements[radioname].length && document.forms[form].elements[radioname].checked)
	 		return document.forms[form].elements[radioname].id;

		for (var i=0; i < document.forms[form].elements[radioname].length; i++) {
	  		if (document.forms[form].elements[radioname][i].checked) {
				return document.forms[form].elements[radioname][i].id;
			}
		}
	 }

	/** ueberprueft, ob es ein selektiertes Input-Element gibt **/
	function containsCheckedValue(form, radioname) {
	 	if (!document.forms[form].elements[radioname].length && document.forms[form].elements[radioname].checked)
	 		return true;
		for (var i=0; i < document.forms[form].elements[radioname].length; i++) {
	  		if (document.forms[form].elements[radioname][i].checked) {
				return true;
			}
		}
		return false;
	 }

	/** selektiert das erstmoegliche Input-Element und liefert die zugehoerige Id zurueck **/
	function setFirstValueChecked(form, radioname) {
	 	if (!document.forms[form].elements[radioname].length && !document.forms[form].elements[radioname].disabled) {
	 		document.forms[form].elements[radioname].checked = true;
			return document.forms[form].elements[radioname].id;
			}
		for (var i=0; i < document.forms[form].elements[radioname].length; i++) {
	  		if (!document.forms[form].elements[radioname][i].disabled) {
				document.forms[form].elements[radioname][i].checked = true;
				return document.forms[form].elements[radioname][i].id;
			}
		}
	 }

	 function enableId(id) {
		// alert('enable: id=' + id);
		 enableElement(document.getElementById(id));
	 }

	 function disableId(id) {
		 disableElement(document.getElementById(id));
		 if (document.getElementById(id).checked) {
			 // -- auswahl eines disabled geht nicht!
			 document.getElementById(id).checked = false;
		 }
	 }


	 function enableIdParent(id) {
		 enableElement(document.getElementById(id).parentNode);
	 }

	 function disableIdParent(id) {
		 disableElement(document.getElementById(id).parentNode);
		 if (document.getElementById(id).checked) {
			 // -- auswahl eines disabled geht nicht!
			 document.getElementById(id).checked = false;
		 }
	 }


	 function enableElement(el) {
		 el.disabled = false;
	 }

	function disableElement(el)
	{
		 el.disabled = true;
	}



	function updateCount()
	{
		var url = "?step=info" +
					"&dummy=nix";

		if (fzg.baureihe)
			url += "&baureihe=" + fzg.baureihe;

		if (fzg.marketsegment)
			url += "&marketsegment=" + fzg.marketsegment;

		if (fzg.bauvariante)
			url += "&bauvariante=" + fzg.bauvariante;

		if (fzg.fzgeigen)
			url += "&fzgeigen=" + fzg.fzgeigen;

		if (fzg.tonnage)
			url += "&tonnage=" + fzg.tonnage;

		if (fzg.radformel)
			url += "&radformel=" + fzg.radformel;

		if (fzg.heavyduty != undefined)
			url += "&heavyduty=" + fzg.heavyduty;

		if (fzg.hydrodrive != undefined)
			url += "&hydrodrive=" + fzg.hydrodrive;

		if (fzg.v8 != undefined)
			url += "&v8=" + fzg.v8;

		if (fzg.schadstoffklasse)
			url += "&schadstoffklasse=" + fzg.schadstoffklasse;

		if (fzg.ps)
			url += "&ps=" + fzg.ps;

		if (fzg.cab)
			url += "&cab=" + fzg.cab;

		if (fzg.steering)
			url += "&steering=" + fzg.steering;

		if (fzg.suspension)
			url += "&suspension=" + fzg.suspension;

		if (fzg.buildwork)
			url += "&buildwork=" + fzg.buildwork;

		if (fzg.wheelbase)
			url += "&wheelbase=" + fzg.wheelbase;

		if (fzg.overhang)
			url += "&overhang=" + fzg.overhang;

		//document.getElementById("result").src = url;

		if (fzg.service)
			url += "&service=" + fzg.service;

		if (fzg.support)
			url += "&support=" + fzg.support;

		if (fzg.finance)
			url += "&finance=" + fzg.finance;

		if (fzg.description)
			url += "&description=" + fzg.description;
	}

 	var _paramstring = location.search.indexOf("?") != -1 ? location.search : "";
 	var _params = _paramstring.split("&");
 	var _param = new Object();
 	var _p
 	for (_p=0; _p < _params.length; _p++)
 	{
 		var p = _params[_p].split("=");
 		_param[p[0]] = p[1];
 	}

 	function getParam(id)
 	{
 		if (_param[id] == undefined)
 			return "";

 		return encodeURI(_param[id]);
 	}

	function stepTo(step) {
		var currentStep = formular.step.value -1;

		if (step > currentStep) {
			return; 	// Vorspringen nicht moeglich
		}

		if (step <= 1) {
			// if (formular.initBaureihe) formular.initBaureihe.value = "";
			// if (formular.initMarketsegment) formular.initMarketsegment.value = "";
			// if (formular.initBauvariante) formular.initBauvariante.value = "";
			if (formular.tonnage) formular.tonnage.value = "";
			if (formular.fzgeigen) formular.fzgeigen.value = "";
			if (formular.radformel) formular.radformel.value = "";
			if (formular.heavyduty) formular.heavyduty.value = "";
			if (formular.hydrodrive) formular.hydrodrive.value = "";
			if (formular.v8) formular.v8.value = "";
		}

		if (step <= 2) {
			// if (formular.tonnage) formular.tonnage.value = "";
			// if (formular.fzgeigen) formular.fzgeigen.value = "";
			// if (formular.radformel) formular.radformel.value = "";
			// if (formular.heavyduty) formular.heavyduty.value = "";
			// if (formular.hydrodrive) formular.hydrodrive.value = "";
			//formular.v4.value = "";
			if (formular.schadstoffklasse) formular.schadstoffklasse.value = "";
			if (formular.ps) formular.ps.value = "";
			if (formular.cab) formular.cab.value = "";
			if (formular.steering) formular.steering.value = "";
			if (formular.suspension) formular.suspension.value = "";
		}

		if (step <= 3) {
			if (formular.buildwork) formular.buildwork.value = "";
			if (formular.wheelbase) formular.wheelbase.value = "";
			if (formular.overhang) formular.overhang.value = "";
		}

		if (step <= 4) {
			// TODO: service
		}

		if (step <= 5) {

		}


		formular.step.value = step;
		formular.submit();
	}

	function jumpToContact() {
		var currentStep = formular.step.value -1;
		stepFrom = currentStep;
		formular.step.value = 7;
		formular.submit();
	}

	function handleTagClouds() {
		for (var x in tagClouds) {
			addTagCloudElement(x,tagClouds[x].url,tagClouds[x].service);
		}
	}

	function addTagCloudElement(name, url, services) {

		if ( document.getElementById('tagCloud') ) {
			var linkText = document.createTextNode(name);

			var linkElement = document.createElement("a");
			linkElement.id = name;
			linkElement.href = url;

			if (services) {

				linkElement.target = "_blank";

			} else {

				var popupURL = url;
				if (popupURL.indexOf("?") != -1)
					popupURL += "&openAsPopup=true";
				else
					popupURL += "?openAsPopup=true";

				linkElement.onclick = function() { openPopupWindow(popupURL); return false; }
				// linkElement.onclick = function() { toggleInfo('modal_window',url); return false; }

			}

			linkElement.appendChild(linkText);

			document.getElementById('tagCloud').appendChild(linkElement);
			document.getElementById('tagCloud').appendChild(document.createTextNode(" "));
		}
	}

function openPopupWindow(url) {
	satellit = window.open(url,"","location=no,menubar=no,resizable=yes,scrollbars=yes,status=no,toolbar=no,width=435,height=650");
	satellit.window.focus();
}