/**
 * Realization of browser specified layer effects
 * @author:		dkl
 * company:		megatel GmbH
 * @since:		26.11.2001
 */


 /**
  * Create an object with specified browser informations
  * @info:	String name        : browser name
  * @info:	int		version    : browser version
  * @info:	boolean	cookies    : cookies enabled
  * @info:	boolean	javaEnabled: java enabled
  * @info:	String	language   : browser language
  * @info:	String	platform   : browser platform
  *
  * @info:	booleab	isIE       : browser is Internet Explorer  >= 4.0
  * @info:	boolean	isNav      : browser is Netscape Navigator <  6.0 but >= 4.0
  * @info:	boolean	isNav6     : browser is Netscape Navigator >= 6.0
  */

  function getBrowserProperties() {
    lang       = new Object();
    lang["de"] = "Deutsch";
    lang["en"] = "Englisch";
    lang["un"] = "Unbekannt";
    stdMsg = 'keine Informationen';
    this.language = "un";
    this.platform = stdMsg;
      with (navigator) {
	    wbstart = (userAgent.indexOf('(') + 1);
    	wbend = userAgent.indexOf(')');
    	browserstring = userAgent.substring(wbstart, wbend);
		if (appName.indexOf("Opera") == 0) {
		 this.name = 'Opera'
		 sep = browserstring.indexOf(';');
		 this.platform = browserstring.substring(0, sep);
		 langstart = (userAgent.indexOf('[') + 1);
    	 langend = userAgent.indexOf(']');
		 this.language = lang[userAgent.substring(langstart, langend)];
		 verstart = (userAgent.indexOf('/') + 1);
    	 verend = (userAgent.indexOf('(')-1);
		 this.version = userAgent.substring(verstart, verend);
		 this.isOpera = true;
		}
	    if (parseInt(appVersion) >= 4 && appName.indexOf("Opera") != 0) {
   		    if (appName.indexOf("Netscape") != -1) {
		      this.name = 'Netscape';
		      if (userAgent.indexOf("Netscape6") > 0) {
			    ns6start = (userAgent.indexOf("Netscape6") + 10);
                ns6end   =  userAgent.length;
                this.version = userAgent.substring(ns6start,ns6end);
    			stringarray = browserstring.split("; ");
				this.platform = stringarray[2];
				this.language = lang[language.substring(0,2)];
			    this.isNav6 = true;
			  }
			  else {
			    nsstring = appVersion;
			    nsarray = nsstring.split(" ");
		        this.version = nsarray[0];
                stringarray = browserstring.split("; ");
				this.platform = stringarray[0];
				this.language = lang[language];
				this.isNav = true;
			  }
		    }
		    else if (appName.indexOf("Microsoft") != -1) {
		      this.name = 'Microsoft';
		      this.isIE = true;
			  this.language = lang[userLanguage];
			  start = (appVersion.indexOf('(') + 1);
        	  end = appVersion.indexOf(')');
              browserstring = appVersion.substring(start, end);
              stringarray = browserstring.split(";");
              this.platform = stringarray[2];
              ieversion = stringarray[1].split(" ");
              this.version = ieversion[2];
		    }
	    }
        if (this.isNav6) this.cookies = cookieEnabled; else this.cookies = stdMsg;
	    this.javaEnabled = javaEnabled();
      }
  }

  browser = new getBrowserProperties();
  getBrowserProperties.prototype.getBrowserProperties = getBrowserProperties;

 /**
  * Write a HTML paragraph with the requested browser properties
  */

 function printBrowserProperties() {
   with (browser) {
     document.write('<b>Hersteller:</b> '+name+'<br><b>Version:</b> '+version+'<br><b>Cookies aktiviert:</b> '+
	 cookies+'<br><b>Java aktiviert:</b> '+javaEnabled+'<br><b>Sprache:</b> '+language+'<br><b>Platform:</b> '+
	 platform);
   }
 }

 /**
  * Create an object with specified display informations
  * @info:	int	with 			: whole screen width
  * @info:	int	height 			: whole screen height
  * @info:	String res          : resolution
  * @info:	int	availableHeight : available screen height
  * @info:	int	availableWidth	: available screen width
  * @info:	int colorDepth		: color depth
  */

  function getScreenProperties() {
    with (screen) {
  	  this.width = width;
	  this.height = height;
	  this.res = width+'x'+height;
	  this.aHeight = availHeight;
	  this.aWidth = availWidth;
	  this.colorDepth = 0;//Math.pow(2,colorDepth);
    }
  }

  display = new getScreenProperties();
  getScreenProperties.prototype.getScreenProperties = getScreenProperties;


 /**
  * Write a HTML paragraph with the requested screen properties
  */

 function printScreenProperties() {
   with (display) {
	 document.write('<b>Auflösung:</b> '+res+' Pixel<br><b>verfügbare Breite:</b> '+aWidth+' Pixel<br><b>verfügbare Höhe:</b> '+aHeight+' Pixel<br><b>Farbtiefe:</b> '+
	 colorDepth+' Farben');
   }
 }

 /**
  * Create an object with specified display informations
  * @info:	String	menubar	  : menubar visibility
  * @info:	String	locbar 	  : locationbar visibility
  * @info:	String  persbar   : personalbar visibility
  * @info:	String	toolbar   : toolbar visibility
  * @info:	int	iWidth	  	  : inner width of the window
  * @info:	int	iHeight   	  : inner height of the window
  * @info:	int	oWidth	      : outer width of the window
  * @info:	int	oHeight       : outer width of the window
  * @info:	int	xOffset	      : window position from the left
  * @info:	int	yOffset       : window position from the top
  * @info:	String  name   	  : name of the window
  * @info:	String	status    : text from the statusbar
  */

  function getWindowProperties() {
    prop = new Object();
	prop["true"] = 'aktiviert';
	prop["false"] = 'deaktiviert';
	prop["undefined"] = 'n/a'; 			  // not available
	with (window) {
	  if(browser.isNav || browser.isNav6) {
  	    this.menubar = prop[menubar];     // Netscape 4.0
	    this.locbar  = prop[locationbar]; // Netscape 4.0
	    this.persbar = prop[personalbar]; // Netscape 4.0
	    this.toolbar = prop[toolbar];     // Netscape 4.0
		this.iWidth  = innerWidth;  	  // Netscape 4.0
		this.iHeight = innerHeight; 	  // Netscape 4.0
	    this.oWidth  = outerWidth;        // Netscape 4.0
	    this.oHeight = outerHeight;       // Netscape 4.0
	    this.xOffset = pageXOffset; 	  // Netscape 4.0
	    this.yOffset = pageYOffset;       // Netscape 4.0
	  }
	  this.name    = name;			      // Netscape 4.0 & IE 4.0
	  this.status  = status;		      // Netscape 4.0 & IE 4.0
    }
  }

  view = new getWindowProperties();
  getWindowProperties.prototype.getWindowProperties = getWindowProperties;


 /**
  * Capture mouse events from the middle and right mouse button.
  * which = Netscape syntax: left mouse button = 1; middle mouse button = 2; right mouse button = 3
  * @param:	Event mouseevent    : mouse event to react
  * @param:	String text         : text to display
  * @return						: boolean
  */

 function capture(mouseEvent,text) {
   if ((browser.isNav || browser.isNav6) && (mouseEvent.which == 3 || mouseEvent.which == 2)) return false;
   else if (browser.isIE && (event.button == 2 || event.button == 3)) {
     alert(text);
     return false;
   }
   return true;
 }

 /**
  * The following paragraph must be insert at the page where the mouse event will be
  * executed.
  *
  * document.onmousedown = capture;
  * if (document.layers) window.captureEvents(Event.MOUSEDOWN);
  * window.onmousedown = capture;
  */

 /**
  * Opens an URL in another frame
  * @param: String URL:		file to load
  * @param: String frame =	destination frame
  */

 function viewInfo(URL,frame) {
   parent.frames[frame].location.href = URL;
 }

 /**
  * Open an URL in another window by using the requested window dimensions
  * @param: String URL  		= file to load
  * @param: String name 	    = name of the window
  * @param: variant posFromLeft = window position from the left of the screen
  * @param: variant posFromTop  = window position from the top of the screen
  * @param: variant width	    = width of the window
  * @param: variant height	    = height of the window
  * @param: int toolbar		    = window includes a toolbar
  * @param: int menubar		    = window includes a menubar
  * @param: int scrollbars	    = window includes a scrollbar
  * @param: int statusbar	    = window includes a statusbar
  * @param: int resizable	    = window can be resized
  * @param: int dependent	    = if the parent window was closed, this window will be closed automatically
  * 							  NOTE: a) Netscape 6 doesn't interpret this attribute !!!
  *										b) for Netscape 4.x only
  * @param: int hotkeys		    = hotkeys to navigate the window
  * 							  NOTE: Netscape 4.x+ only !!!
  */

  function openWindow(URL,name,posFromLeft,posFromTop,width,height,toolbar,menubar,scrollbars,statusbar,resizable,dependent,hotkeys) {
  	if (URL!=''){
			if (toolbar == 0 || toolbar == null || toolbar == 'no') toolbar = 'no'; else toolbar = 'yes';
			if (menubar == 0 || menubar == null || menubar == 'no') menubar = 'no'; else menubar = 'yes';
			if (scrollbars == 0 || scrollbars == null || scrollbars == 'no') scrollbars = 'no'; else scrollbars = 'yes';
			if (statusbar == 0 || statusbar == null || statusbar == 'no') statusbar = 'no'; else statusbar = 'yes';
			if (resizable == 0 || resizable == null || resizable == 'no') resizable = 'no'; else resizable = 'yes';
			if (dependent == 0 || dependent == null || dependent == 'no') dependent = 'no'; else dependent = 'yes';
			if (hotkeys == 0 || hotkeys == null || hotkeys == 'no') hotkeys = 'no'; else hotkeys = 'yes';
      var args = "left="+posFromLeft+",top="+posFromTop+",width="+width+",height="+height;
      args = args + ",toolbar="+toolbar+",menubar="+menubar+",scrollbars="+scrollbars+",status="+statusbar
      args = args +",screenX=1,screenY=1,resizable="+resizable+",dependent="+dependent+",hotkeys="+hotkeys;
			var win = window.open(URL,name,args);
			win.focus();
		}
   }


 /**
  * Initialize ticker
  */

 var text;

 function initializeTicker() {
   window.status = text;
   text = text.substring(1,text.length) + text.substring(0,1);
 }

 /**
  * Start a ticker in the status bar of the browser window
  * @param: mytext : text to show in the status bar
  * @param: dealy  : text delay
  */

 function startTicker(mytext,delay) {
   text = mytext;
   window.setInterval("initializeTicker()",delay);
 }

 /**
  * Maximize the browser window
  */

 function maximizeWindow() {
   with (window) {
     resizeTo(display.height,display.width);
     moveTo(0,0);
   }
 }

 /**
  * Move the browser window by using relative coordinates
  * @param: int dx	   :	relative x-value;
  * @param: int dy	   :	relative y-value;
  */

 function moveWindow(dx,dy) {
   window.moveBy(parseInt(dx),parseInt(dy));
 }

 /**
  * Resize and move the browser-window to an absolute position
  * @param: int posFromLeft:	new window position from the left of the screen
  * @param: int posFromTop :	new window position from the top of the screen
  * @param: int width	   :	width to resize to
  * @param: int height	   :	height to resize to
  */

 function resizeWindow(posFromLeft,posFromTop,width,height) {
   with (window) {
     resizeTo(parseInt(width),parseInt(height));
     moveTo(parseInt(posFromLeft),parseInt(posFromTop));
   }
 }

 /**
  * Return the current date
  * @return:  String	:	current date
  */

 function requestDate() {
   var weekday = new Array('Sonntag','Montag','Dienstag','Mittwoch','Donnerstag','Freitag','Samstag')
   var months  = new Array('Januar','Februar','M&auml;rz','April','Mai','Juni','Juli','August','September','Oktober','November','Dezember');
   // Create date-object to activate access
   var currentDate = new Date();
   day   = weekday[currentDate.getDay()];
   date  = currentDate.getDate();
   month = months[currentDate.getMonth()];
   year  = currentDate.getYear();
   // Netscape still returns the number of the year relativ to 1900
   if (browser.isNav || browser.isNav6) year += 1900;
   newDate = day+', '+date+'. '+month+' '+year;
   return newDate;
 }


 /**
  * Returns the current time
  * @return:  String	:	current time
  */

 function requestTime() {
   function normalize(timeObj) {
	 if (parseInt(timeObj) < 10) return(timeObj = '0'+ timeObj);
	 else return (timeObj);
   }
   // Create date-object to activate access
   var time = new Date();
   hours   = time.getHours();
   minutes = normalize(time.getMinutes());
   seconds = normalize(time.getSeconds());
   newTime = hours+':'+minutes+':'+seconds;
   return newTime;
 }

 /**
  * Deletes all input fields
  * @param: formName  	:	name of the formular
  */

 function delAllInputFields() {
   for(var i=0; document.forms[i]; i++) {
     for(var j=0; document.forms[i].elements[j]; j++) {
       if (document.forms[i].elements[j].type == 'text') {
         document.forms[i].elements[j].value = "";
       }
     }
   }
 }

 /**
  * Sets all checkboxes
  * @param: value  	:	'on' -> checked, others -> unchecked
  */

 function setAllCheckboxes(value) {
   for(var i=0; document.forms[i]; i++) {
     for(var j=0; document.forms[i].elements[j]; j++) {
       if (document.forms[i].elements[j].type == 'checkbox') {
       	 if (value == 'on'){
         	 document.forms[i].elements[j].checked = true;
         }
         else{
         	 document.forms[i].elements[j].checked = false;
         }
       }
     }
   }
 }

 /**
  * Get's the selected item from a listbox
  */

  function getFromListbox() {

  }

 /**
  * Get's the filename without extension
  */

  function getFilename(filename) {
    file = filename.split("/");
	if(file[file.length-1].substring(2,3) == "\\") {
	  file = filename.split("\\");
	}
	return(file[file.length-1]);
  }

 /**
  * Get's the file extension
  */

  function getFileExtension(filename) {
  	array = filename.split(".");
	return(array[array.length-1]);
  }

 /**
  * Zoom-in position or request object informations
  */

 var zoomInPos = false;
 sleepingMsg = '';
 requestMsg  = '';

 function ResizeInfoZoom() {
   window.defaultStatus = sleepingMsg;
 }

 if (browser.isNav) {
   window.captureEvents(Event.RESIZE);
 }

 /**
  * Set the window text
  * @param:	String sleep : window text if there's no click-event
  * @param: String busy  : window text if there's an onclick-event
  *
  */

 function setWindowText(sleep,busy) {
   sleepingMsg = sleep;
   requestMsg  = busy;
   window.defaultStatus = sleepingMsg;
 }

 function coords(e) {
   if (browser.isNav) {
	 myposx = e.pageX - document.map.x;
	 myposy = e.pageY - document.map.y;
   }
   if (browser.isNav6) {
	 myposx = e.clientX - document.map.x;
	 myposy = e.clientY - document.map.y;
   }
   if (browser.isIE) {
     myposx = window.event.offsetX;
     myposy = window.event.offsetY;
   }
   zoomin(myposx,myposy);
 }

 function zoomin(x,y) {
   if (x >=0 && x<=document.map.width && y >=0 && y<=document.map.height){
     document.forms[0].mapClickPosX.value = x;
     document.forms[0].mapClickPosY.value = y;
	 document.forms[0].submit();
	 return true;
   }
 }