//
// 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=450  // Tip box width
var ns4         // Are we using Netscape4?
var ie4         // Are we using Internet Explorer Version 4?
var ie5         // Are we using Internet Explorer Version 5 and up?
var op          // Are we using Opera
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
var px="px"     // position suffix with "px" in some cases
var agt = navigator.userAgent.toLowerCase();

// Define colours

var cTitle     = "#660000";	// Title
var cBox       = "#ffffaa";	// Main box background
var cTitleFont = "#ffffff";	// Title font
var cBoxFont   = "#000000";	// Box font

function nsfix(){setTimeout("window.onresize = rebrowse", 2000);}

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

function hascss(){ return gettip('infodiv')?true:false }

function infoinit()
{
	ns4=(document.layers)?true:false, ie4=(document.all)?true:false;
	ie5=((ie4)&&((agt.indexOf('msie 5')>0)||(agt.indexOf('msie 6')>0)))?true:false;
	op=(agt.indexOf('opera')>0)?true:false;
	kon=(agt.indexOf('konqueror')>0)?true:false;
	x=0;y=0;winW=1024;winH=768;
	idiv=null;
	document.onmousemove = mousemove;

	if(ns4&&document.captureEvents) document.captureEvents(Event.MOUSEMOVE);

	// Workaround for just another netscape bug: Fix browser confusion on resize
	// obviously conqueror has a similar problem :-(

	if(ns4||kon){ nsfix() }
	if(ns4) { px=""; }
}

function untip()
{
	if(idiv) idiv.visibility=ns4?"hide":"hidden";
	idiv=null;
}

function gettip(name)
{
 return (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);
}

// Prepare tip boxes, but don't show them yet

function maketip(name,title,text)
{
 if(hascss())
 {
   document.write('<div id="' + name + '" name="' + name + '" style="position:absolute; ' +
     'visibility:hidden; z-index:20; top:0' + px + '; left:0' + px + ';"><table width=' + IWIDTH +
     ' border="0" cellpadding="2" cellspacing="1" bgcolor="' + cTitle + '"><tr><td class="tiptd"><table ' +
     'width="100%" border="0" cellpadding="0" cellspacing="0"><tr><th><span align="center" class="ptt"><b><font ' +
     'color="' + cTitleFont + '">' + title + '</font></b></span></th></tr></table><table width="100%" border=0 ' +
     'cellpadding="2" cellspacing="0" bgcolor="' + cBox + '"><tr><td><span class="pst"><font color="' + cBoxFont +
     '">' + text + '</font></span></td></tr></table></td></tr></table></div>' + "\n");
 }
}

function tip(name)
{
 if(hascss())
 {
  if(idiv) untip();
  idiv=gettip(name);

  if(idiv)
  {
   winW=(window.innerWidth)? window.innerWidth+window.pageXOffset-16:document.body.offsetWidth-20;
   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 + IWIDTH) < winW) ? x + 12 : (((x + IWIDTH / 2) < winW) ? x - IWIDTH / 2 : winW - IWIDTH)) + px;

	if ((x + IWIDTH) < winW)
	{
		idiv.left = (x + 12) + px;
	}
	else
	if ((x + IWIDTH / 2) < winW)
	{
		idiv.left = (x - IWIDTH / 2) + px;
	}
	else
	{
		idiv.left = (winW - IWIDTH) + px;
	}


//  idiv.left = (((x + IWIDTH) < winW) ? x + 12 : winW - IWIDTH) + px;

  if (op)
  {
  		y -= window.pageYOffset;
  		winH -= window.pageYOffset;
		idiv.top=(((y+200)<winH)?y+12:y-200)+px;
  }
  else
  {
  		idiv.top=(((y+200)<winH)?y+12:y-200)+px;
  }

//window.status = "top=" + idiv.top + " winH=" + winH + " y=" + y + " wIH=" + window.innerHeight + " off=" + window.pageYOffset;
  idiv.visibility=ns4?"show":"visible";
//  window.status="idiv="+idiv+"X:"+(idiv.left?idiv.left:"NAN")+", Y:"+(idiv.top?idiv.top:"NAN")+", x:"+x+", y:"+y;
}

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((ie4||ie5) && document.documentElement) // Workaround for scroll offset of IE
  {
    x+=document.documentElement.scrollLeft;
    y+=document.documentElement.scrollTop;
  }
 if(idiv) showtip();
}

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

// EOF infobox.js