//
// Bubblehelp infoboxes, (C) 2002 Klaus Knopper <infobox@knopper.net>
// You can copy/modify and distribute this code under the conditions
// of the GNU GENERAL PUBLIC LICENSE Version 2.
//
var IWIDTH=250  // Tip box width
var ie5         // Are we using Internet Explorer Version 5 and up?
var kon         // Are we using KDE Konqueror?
var x,y,winW,winH  // Current help position and main window size
var idiv=null   // Pointer to infodiv container

function rebrowse(){window.location.reload();}

function infoinit(){
 ie5=(document.all&&(navigator.userAgent.indexOf('MSIE')>0)&&!(navigator.userAgent.indexOf('Opera')>0))?true:false;
 kon=(navigator.userAgent.indexOf('konqueror')>0)?true:false;
 x=0;y=0;winW=800;winH=600;
 idiv=null;
 document.onmousemove = mousemove;
 // Workaround for just another netscape bug: Fix browser confusion on resize
 // obviously konqueror has a similar problem :-(
 if(kon){ setTimeout("window.onresize = rebrowse", 2000); }
}

function untip(){
 if(idiv) idiv.visibility='hidden';
 idiv=null;
}

// Prepare tip boxes, but don't show them yet
function maketip(name,title,text){
  document.write('<div id="'+name+'" name="'+name+'" style="position:absolute; visibility:hidden; z-index:20; top:0px; left:0px;" width='+IWIDTH+'><div class="helphead">'+title+'</div><div class="helpcontent">'+text+'</div></div>'+"\n");
}

function tip(name){
  if(idiv) untip();
  idiv=(document.layers&&document.layers[name])?document.layers[name]:(document.all&&document.all[name]&&document.all[name].style)?document.all[name].style:document[name]?document[name]:(document.getElementById(name)?document.getElementById(name).style:0);
  if(idiv){
   winW=(window.innerWidth)? window.innerWidth+window.pageXOffset-20:document.body.offsetWidth-24;
   winH=(window.innerHeight)?window.innerHeight+window.pageYOffset  :document.body.offsetHeight;
   if(x<=0||y<=0){ // konqueror can't get mouse position
    x=(winW-IWIDTH)/2+(window.pageXOffset?window.pageXOffset:0);
    y=(winH-50)/2+(window.pageYOffset?window.pageYOffset:0); // middle of window
   }
   showtip();
  }
}

function showtip(){
  idiv.left=(((x+260)<winW)?x:x-255)+"px";
  idiv.top=(((y+90)<winH)?y+12:y-90)+"px";
  idiv.visibility='visible';
}

function mousemove(e){
 if(e) {
  x=e.pageX ? e.pageX : e.clientX ? e.clientX : 0;
  y=e.pageY ? e.pageY : e.clientY ? e.clientY : 0;
 } else if(event) {
  x=event.clientX;
  y=event.clientY;
 } else {x=0; y=0;}
 if(ie5 && document.documentElement) {
  x+=document.documentElement.scrollLeft;
  y+=document.documentElement.scrollTop;
 }
 if(idiv) showtip();
}

function check_image_size(image) {
	var maxwidth = 800;
	var width = image.width;
	var height = image.height;
	var nextbr = image.nextSibling;
	var nextimage = nextbr.nextSibling;


	if (width > maxwidth) {
		factor = maxwidth/width;
		image.width = maxwidth;
		image.height = Math.round(height * factor);
		nextimage.src = "/images/resized.gif";
	}
}

function scaleImage(im) {
	var maxImageWidth = 600;
    	
	if (maxImageWidth > 0 && im.width > maxImageWidth) {
		im.orgwidth = im.width;
		im.width = maxImageWidth;
		im.onclick = unscaleImage;
                im.title = "Anklicken zur Vollbildgroesse";
           //     im.title = "Anklicken zur Vollbildgröße";
		im.style.cursor = 'pointer';
	}
}
						      
function unscaleImage() {
	var maxImageWidth = 600;

	if(maxImageWidth > 0) {
		this.width = this.width == maxImageWidth ? this.orgwidth : maxImageWidth;
	}      
}

// Initialize after loading the page
window.onload=infoinit;