/**
 * tz-schwerte.de JavaScript Document
 * @author David Blaha, www.davidblaha.de
 */

// Defines the URL to the site root directory. Must be set correctly for frameset verification!
// Warning: MUST end with a trailing slash!
var siteRootUrl = "http://www.tz-schwerte.de/";

/**
 * Checks if the right frameset and the right subnavigation are loaded.
 */
function checkSchwerteFrameset () {
	// Check proper frameset parameters
	if (this.name != "mainFrame" || parent.frames.length != 3 || top.frames.length != 3) {
		// Something is wrong with our frameset, rather re-load the frameset!
		var fileName = escape(document.location.pathname);
		top.location.href = siteRootUrl + "index.php?page=" + fileName;
	} else {
//	} else if (getRequestParameter("setactivesubnavitem") == null) {
		// Frameset is okay, now check if correct subnavigation is loaded
		var strArray = document.location.pathname.split('/');
		// Get actual folder name (=main navigation item)
		var navSection = strArray[strArray.length - 2];
		
		if (parent.frames['leftFrame'].location.pathname.indexOf(navSection) == -1) {
			// Load correct navigation
			parent.frames['leftFrame'].location.href = siteRootUrl + "navigation/" + navSection + ".html";
		}
	}
}

function frameChangerMan (urlOne, urlTwo) {
	parent.frames['leftFrame'].location.href = urlOne;
	parent.frames['mainFrame'].location.href = urlTwo;
}

/**
 * Returns the value of the GET parameter with the given name or null if it could not be found.
 */
function getRequestParameter (parameterName) {
	if (location.search.indexOf('?') == 0) {
		// Remove leading '?'
		var parameterList = location.search.substring(1, location.search.length);
		// Split GET parameters
		var splitParams = parameterList.split("&");
		
		// Split names and values
		for (var i = 0; i < splitParams.length; i++) {
			splitParams[i] = splitParams[i].split("=");
		}
		
		// Search for requested parameter
		for (var i = 0; i < splitParams.length; i++) {
			if (splitParams[i][0] == parameterName) {
				// Parameter found, return value
				return splitParams[i][1];
			}
		}
		
		// Requested parameter was not found
		return null;
	} else {
		// No paramteres given
		return null;
	}
}

/**
 * Compares strings from a given array to the path and file name of the loaded page.
 * Returns the array index if a match is found, -1 otherwise.
 */
function getActiveNavItem (itemNamesArray) {
	var pathName = parent.frames['mainFrame'].location.pathname;
	for (var i = 0; i < itemNamesArray.length; i++) {
		if (pathName.indexOf(itemNamesArray[i]) != -1) {
			// Found page
			return i;
		}
	}
	// Page not found
	return -1;
}

function setActiveSubnavItem () {
	if (getRequestParameter('setactivesubnavitem') == null) {
		parent.frames["leftFrame"].setActiveNavigationItem();
	}
//	if (!parent.frames["leftFrame"].setActiveNavigationItem()) {
//		window.setTimeout('setActiveSubnavItem()', 100);
//	}
}

function setActiveMainNavFlag (navIndex) {
	parent.frames["topFrame"].swapNavigationImages(navIndex);
}

/**
 * Assembles and returns a string cotaining the actual client date in the form
 * DD. GermanMonthName YYYY
 */
function getDateString () {
	var myDate = new Date();
	
	var monthStr;
	// Get german month name
	switch (myDate.getMonth()) {
		case 0:
			monthStr = "Januar";
			break;
		case 1:
			monthStr = "Februar";
			break;
		case 2:
			monthStr = "März";
			break;
		case 3:
			monthStr = "April";
			break;
		case 4:
			monthStr = "Mai";
			break;
		case 5:
			monthStr = "Juni";
			break;
		case 6:
			monthStr = "Juli";
			break;
		case 7:
			monthStr = "August";
			break;
		case 8:
			monthStr = "September";
			break;
		case 9:
			monthStr = "Oktober";
			break;
		case 10:
			monthStr = "November";
			break;
		case 11:
			monthStr = "Dezember";
			break;
		default:
			monthStr = "";
			break;
	}
	
	// Assemble date string
	var dateStr = myDate.getDate() + ". " + monthStr + " " + myDate.getUTCFullYear();
	return dateStr;
}

/** Dreamweaver functions - rather do not modify them! */

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

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_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

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;
  } }
}