/*------------------------------------------------------------------- 
Author's Statement:
This script is based on ideas of the author.
You may copy, modify and use it for any purpose. The only condition is that if you publish web pages that use this script you point to its author at a suitable place and don't remove this Statement from it.
It's your responsibility to handle possible bugs even if you didn't modify anything. I cannot promise any support.
Dieter Bungers
GMD (www.gmd.de) and infovation (www.infovation.de)
--------------------------------------------------------------------*/



if (navigator.appName.toLowerCase().indexOf("explorer") > -1) {
	var mdi=textSizes[1], sml=textSizes[2];
}
else {
	var mdi=textSizes[3], sml=textSizes[4];
}

function opennotes(url,name)
{
	window.open(url,name,"scrollbars=no,resizable=0,top=0,left=350,width=450,height=40");
 }


function goBack()
{
 
	if (toc.history.length > 0 && content.history.length > 0)
	{	
		//content.history.go(-1);
		//toc.history.back();
//toc.history.back();
	  }

}

function goForward()
{
	  if (toc.history.length > 0 && content.history.length > 0)
	 {
	  	//content.history.forward();
		//toc.history.forward();
//toc.history.forward();


	  }
}

var g_nCurrentExpanded;

function GetNext(level)
{
	// level = 1 for chapter, 2 for topic, 3 for subtopic

	var ExpandedLevel = tocTab[g_nCurrentExpanded][0]
	var ExpandedNumArray = ExpandedLevel.split(".");
	var i = 0;
	
	if (g_nCurrentExpanded >= tocTab.length-1)
		return;
	i=g_nCurrentExpanded+1
	/*for (i=g_nCurrentExpanded+1; i<tocTab.length; i++)
	{
		if ((((tocTab[i][0]).split(".")).length) == level)
		{
			break;
		}
	}*/
	
	reDisplay(tocTab[i][0], false);
}

function GetPrevious(level)
{
	// level = 1 for chapter, 2 for topic, 3 for subtopic
	var ExpandedLevel = tocTab[g_nCurrentExpanded][0]
	var ExpandedNumArray = ExpandedLevel.split(".");
	var i = 0;
	
	if (g_nCurrentExpanded <= 0)
		return;
	i=g_nCurrentExpanded-1
	/*for (i=g_nCurrentExpanded-1; i>=0; i--)
	{
		if ((((tocTab[i][0]).split(".")).length) == level)
		{
			break;
		}
	}*/
	
	reDisplay(tocTab[i][0], false);
}
function saveValue()	
{
alert(window.location);
window.open("bookmark.asp" + "?" + "Book=" +g_nCurrentExpanded);
}

function reDisplay(currentNumber,currentIsExpanded) {
	toc.document.open();
	toc.document.write("<html>\n<head>\n<title>ToC</title>\n</head>\n<body bgcolor=\"#FcF4be\"><table border=0 cellspacing=1 cellpadding=0><tr>");
	var currentNumArray = currentNumber.split(".");
	var currentLevel = currentNumArray.length-1;
	var scrollY=0, addScroll=true, theHref="";
	for (i=0; i<tocTab.length; i++) {
		thisNumber = tocTab[i][0];
		var isCurrentNumber = (thisNumber == currentNumber);
		if (isCurrentNumber)
		{ 
			g_nCurrentExpanded =i;
			theHref=tocTab[i][2];
		}
		var thisNumArray = thisNumber.split(".");
		var thisLevel = thisNumArray.length-1;
		var toDisplay = true;
		if (thisLevel > 0) {
			for (j=0; j<thisLevel; j++) {
				toDisplay = (j>currentLevel)?false:toDisplay && (thisNumArray[j] == currentNumArray[j]);
			}
		}
		thisIsExpanded = toDisplay && (thisNumArray[thisLevel] == currentNumArray[thisLevel])
		if (currentIsExpanded) {
			toDisplay = toDisplay && (thisLevel<=currentLevel);
			if (isCurrentNumber) thisIsExpanded = false;
		}
		
		if (toDisplay) {
			if (i==0) {
				toc.document.writeln("\n<td colspan=" + (nCols+1) + "><a href=\"javaScript:parent.reDisplay('" + thisNumber + "'," + thisIsExpanded + ")\" style=\"font-family: " + fontTitle + "; font-weight:bold; font-size:" + textSizes[0] + "em; color: " + titleColor + "; text-decoration:none\">" + tocTab[i][1] + "</a></td></tr>");
				for (k=0; k<nCols; k++) {
					toc.document.write("<td>&nbsp;</td>");
				}
				toc.document.write("<td width=240>&nbsp;</td></tr>");
				}
			else {
				if (addScroll) scrollY+=((thisLevel<2)?mdi:sml)*25;
				if (isCurrentNumber) addScroll=false;
				var isLeaf = (i==tocTab.length-1) || (thisLevel >= tocTab[i+1][0].split(".").length-1);
				img = (isLeaf)?"leaf":(thisIsExpanded)?"minus":"plus";
				toc.document.writeln("<tr>");
				for (k=1; k<=thisLevel; k++) {
					toc.document.writeln("<td>&nbsp;</td>");
				}
				toc.document.writeln("<td valign=top><a href=\"javaScript:\parent.reDisplay('" + thisNumber + "'," + thisIsExpanded + ");\"><img src=\"Images/" + img + ".gif\" width=13 height=12 border=0></a></td> <td colspan=" + (nCols-thisLevel) + "><a href=\"javaScript:\parent.reDisplay('" + thisNumber + "'," + thisIsExpanded + ")\" style=\"font-family: " + fontLines + ";" + ((thisLevel<=mLevel)?"font-weight:bold":"") +  "; font-size:" + ((thisLevel<=mLevel)?mdi:sml) + "em; color: " + ((isCurrentNumber)?currentColor:normalColor) + "; text-decoration:none\">" + ((showNumbers)?(thisNumber+" "):"") + tocTab[i][1] + "</a></td></tr>");
			}
		}
	}
	toc.document.writeln("</table>\n</body>");
	toc.document.close();
	toc.scroll(0,scrollY);
	
	if (theHref != "") content.location.href = theHref;

}