// ==== For Ord Search, search form, etc. ==== //

function openWindow(url, name, width, height) {
	var q = window.open(url,name,'width='+width+',height='+height+',left=200,top=250,scrollbars=yes,toolbar=no,menubar=no, location=no, directories=no,personalbar=no');	
	q.focus();
}

// ==== Open links to specific pages within the frameset ==== //

function reDirect() {
var n = location.href.indexOf("?") + 1; //get where the parameter starts in the location string
if (n>0) { //if there is no ? in the location, then the value of n will be 0 (-1 + 1), and this section will be skipped
	var myLoc = "html/" + location.href.substring(n); //create proper file path
	parent.doc.location = myLoc; //redirect to proper location
	}
}

// ==== For the TOC page ==== //

function fewButtons() { 
	parent.nav.document.getElementById("searchtabs").style.display='none';
 	parent.nav.document.getElementById("codetabs").style.display='block';
	parent.nav.document.forms[0].style.display='block';
	
}	 
	
function moreButtons() { 
	parent.nav.document.getElementById("searchtabs").style.display='block';
	parent.nav.document.getElementById("codetabs").style.display='none';
	parent.nav.document.forms[0].style.display='none';
}

function changeCheck(myCheck, checkAll){ //grab the title/CH name & checked status
	try { //use a try/catch because there might be no sublevels 
		for(var x=0; x<myCheck.length; x++){ //run through all checkboxes with the right "name" value
			myCheck[x].checked = checkAll; //change each chapter/section to the checked status of the title
			try { myCheck[x].onclick(); }//try to trigger the chapter's onlick event,
			catch(err) {} //if the onClick fails, go on
		}
		myCheck.checked = checkAll; //if there's only one chapter/section, this will catch it (the array doesn't)
		try { myCheck.onclick(); }//onClick, etc.
		catch(err) {} 
	}
	catch(err) {} //catch for initial try
}

function selectAll() {
	for(var x=0; x<document.myForm.length; x++){
		document.myForm[x].checked = true;
	}
}

function clearAll() {
	for(var x=0; x<document.myForm.length; x++){
		document.myForm[x].checked = false;
	}
}
function clearAll2() {
	for(var x=0; x<document.SearchForm.fileConditions.length; x++){
		document.SearchForm.fileConditions[x].checked = false;
	}
}


// ==== Hide/Show Hits button ==== //

function runtheloop(color) {
	var myHits = parent.doc.document.getElementsByTagName("span"); //grabs all <span> tags
	for(var x=0; x<myHits.length; x++) //goes through each span
		{ 
   	   var spanType = myHits[x].getAttribute("name"); //gets the name attribute of each span
   			if (spanType=="hitresult") //checks to see if its name is "hitresult"
				{
				myHits[x].style.backgroundColor=color; //set background to the color fed in by swaphits()
				}
		}
}

function swapHits() {
	var hitCount = parent.doc.document.getElementsByTagName("font")[0]; //gets the number of hits listing at the top of page
	var hitHeader = parent.doc.document.getElementById("hitheader"); //gets the entire search result header
	var mainContent = parent.doc.document.getElementById("mainContent");

	var currColor = hitCount.getAttribute("color");
   	if(currColor == "#0000ff") //if the hit count is blue, it's visible
		{
			hitCount.setAttribute("color","#ffffff"); //makes hit count white
	   		hitHeader.style.display="none"; //and makes the entire header invisible to be on the safe side
			runtheloop("#FFFFFF"); //tells runtheloop() to give the hits a white background
			document.getElementById('swap').innerHTML="Show Hits"; //changes text on swap button
			mainContent.style.border="none";
		}else{ //if it's not blue, then it's invisible
			hitCount.setAttribute("color","#0000ff"); //makes it blue again
	 		hitHeader.style.display="inline"; //and makes the entire area visible
		  	runtheloop("#FFFF00"); //highlights hit resultws
			document.getElementById('swap').innerHTML="Hide Hits"; //and changes the button to match
		}  
}

// === for retaining search settings === //


function recallS() {
var type = top.frames["nav"].type;

	document.SearchForm.searchType[type].checked = true;
	document.SearchForm.stemming.checked = top.frames["nav"].stem;
	document.SearchForm.fuzzy.checked = top.frames["nav"].fuzz;
	document.SearchForm.fuzziness.value = top.frames["nav"].fuzzlevel;
	document.SearchForm.phonic.checked = top.frames["nav"].phonic;
    
    for (i=0;i<scope.length;i++) { //go through all the scope search array
        var x = scope[i]; //get the index of the checked box
        document.SearchForm.fileConditions[x].checked = true; //so let it be done
    }
    
}

function rememberS() {

var stem=document.SearchForm.stemming.checked;
var fuzz=document.SearchForm.fuzzy.checked;
var fuzzlevel=document.SearchForm.fuzziness.value;
var phonic=document.SearchForm.phonic.checked;

var type; //get the search type by cycling through radio buttons--code from quirksmode.org
	for (i=0;i<document.SearchForm.searchType.length;i++) {
		if (document.SearchForm.searchType[i].checked) {
			type = i;  //we don't need the value, we just need to know which one is checked
		}
	}
    
var scope = new Array(); //create an array
var rlyeh = 0; //counter variable
    for (i=0;i<document.SearchForm.fileConditions.length;i++) { //go through all the index checkboxes
        if (document.SearchForm.fileConditions[i].checked) { //find the checked ones
            scope[rlyeh] = i; //save the LOCATION of the  checkbox to be remembered
            rlyeh++; //forward the counter! Cthulhu fhtagn!
        }
    }

top.frames["nav"].scope = scope;
top.frames["nav"].stem = stem;
top.frames["nav"].fuzz = fuzz;
top.frames["nav"].fuzzlevel = fuzzlevel;
top.frames["nav"].phonic = phonic;
top.frames["nav"].type = type;

} //end rememberS()

function getLink() {
	var docloc = String(parent.doc.location); //get the location of the doc frame
	var match = /dtisapi/.test(docloc); //check if it's displaying search results
	if (match == true) {
		alert('You cannot bookmark search results');
	}
	else if (parent.doc.document.getElementById('book')) {
	// So we don't reload the bookmark window, which is a problem.
	}
	else {
		openWindow('../../cgi-bin/bookmark.pl?href=' + docloc, 'bookmark', '500', '400');
	}
}


// ==== Older fancy stuff from Advanced Demo ==== //



function toggleTOC( e ) {
	var fs = parent.document.getElementById('cols');
	if (fs.cols == "0,*" ) {
		fs.cols = "300px, *";
		e.innerHTML = "Hide TOC";
	}
	else { 
		fs.cols= "0,*";
		e.innerHTML = "Show TOC";
	}
}

function onTOC() { 
//this is fired when the navbar search is used, in case someone hid the TOC
	var fs = parent.document.getElementById('cols');
	var e = parent.nav.document.getElementById('toggleTOC');
		if (fs.cols == "0,*" ) {
			fs.cols = "300px, *";
			e.innerHTML = "Hide TOC";
		}
}


fontSize = 11;
function decreaseFont() {
	var fs = parent.document.getElementById('doc');
	//alert( fs.contentWindow.document.body.style.fontSize );
	if( fontSize > 7 && fs.contentWindow.document.body.style.fontSize) {
		fontSize--;
		fs.contentWindow.document.body.style.fontSize = fontSize + "pt";
	}
	else if( fontSize > 7) {
		fontSize = 11;
		fontSize--;
		fs.contentWindow.document.body.style.fontSize = fontSize + "pt";
	}
	
}
function increaseFont() {
	var fs = parent.document.getElementById('doc');
	//alert( fs.contentWindow.document.body.style.fontSize );
	if( fontSize < 20 && fs.contentWindow.document.body.style.fontSize) {
		fontSize++;
		fs.contentWindow.document.body.style.fontSize = fontSize + "pt";
	}
	else if (fontSize < 20 ) {
		fontSize = 11;
		fontSize++;
		fs.contentWindow.document.body.style.fontSize = fontSize + "pt";
	}
}

// ==== Search hit funtions ==== //

haveEH = 1;

function safeShowNoHitsMsg()
{   var name = "Unknown";
    try {
        name = new String(parent.doc.location);
        }
    catch(err) {
        }
    finally {
        if (name.indexOf("#xml=") != -1)
            alert("Use the buttons on the Adobe Reader toolbar to navigate hits in a PDF file.  Click the Help button for more information.");
        else
            alert("There are no hits marked in this document.");
        }
}

function initBar() {
    }

function showNoHitsMsg()
{    
if (haveEH)
        safeShowNoHitsMsg()
    else {
        var name = new String(parent.doc.location);
        if (name.indexOf("#xml=") != -1)
            alert("Use the buttons on the Adobe Reader toolbar to navigate hits in a PDF file.  Click the Help button for more information.");
        else
            alert("There are no hits marked in this document.");
        }
}

function newSearch() {
    parent.toc.window.location.hash = "NewSearch";
    }

function nextDoc() {
    if (parent.toc.nextDoc)
        parent.toc.nextDoc();
    }
function prevDoc() {
    if (parent.toc.prevDoc)
        parent.toc.prevDoc();
    }
function topOfFile() {
    if (parent.doc.gotoNthHit)
        parent.doc.gotoNthHit(0);
    else
        showNoHitsMsg();
    }
function nextHit() {
    if (parent.doc.nextHit)
        parent.doc.nextHit();
    else
        showNoHitsMsg();
}
function prevHit() {
    if (parent.doc.prevHit)
        parent.doc.prevHit();
    else
        showNoHitsMsg();
}

function firstHit() {
    if (parent.doc.gotoNthHit)
        parent.doc.gotoNthHit(1);
    else
        showNoHitsMsg();
    }


function printDoc() {
	parent.doc.focus();
	parent.doc.print();
    }