/*------------------------------------------------------------------------------------------
/	JAVASCRIPT BREADCRUMBS
/	VERSION 1.0
/	FILENAME: brdcrmb.asp
/	AUTHORED BY: Rob Notrica and Jeff Fox
/	LAST MODIFIED: 9/21/04
/	DESCRIPTION: This script reads the users document.location.href value, parses it and 
/	contructs a breadcrumb to a DHTML layer. The calling
/	page the pages Title and the name of the layer to write to.
/
/	TO DO: Handle intsances where directories cannot be resolved.
/
/	CHANGE LOG:
/------------------------------------------------------------------------------------------*/
var isN4 = document.layers ? true : false;
var isMSIE = document.all ? true : false;
var isN6 = (document.getElementById && !document.all) ? true : false;

function breadcrumbs(pgTitle,lyr) {
	var bcmDelimiter = ' > ';	// BREADCRUMB ITEM DELIMITER
	
	// CAPTURE THE PAGE LOCATION URL, PARSE IT INTO AN ARRAY
	var location = window.location.href;
	var level = new Array();
	level = location.substring(location.indexOf(root) + root.length - 1).split("/");
	// CAPTURE THE CURRENT PAGE NAME
	var thisPage = location.substring(location.lastIndexOf("/") + 1);
	// STRIP OUT ANY QUERY STRING VARS FROM THE PAGE NAME IF THEY ARE ATTACHED
	if (thisPage.indexOf("?") != -1) thisPage = location.substring(0,location.indexOf("?") - 1);
	
	// FONT TAGS ASSURE BREADCRUMB WILL LOOK AS IT SHOULD IN NETSCAPE
	var fntOpen = '';
	var fntClose = '';
	//var sPath = '/' + root;  ### ACTIVATE AFTER MIGRATION
	if (isN4) {
		fntOpen = '<font face="arial" size="2" color="#FFFFFF">';
		fntClose = '</font>';
	}
	// BEGIN OUTPUT CONTRUCTION
	// ATTACH THE OPEN FONT TAG, PATH, AND ROOT LABEL WITH LINK
	var outMsg = fntOpen + '<a class="breadcrumb" href="' + root + rootPg + '">' + fntOpen + rootDir + fntClose + '</a>';
	if (level) {
		outMsg += bcmDelimiter;
		var i;
		for (i = 0; i < level.length; i++) {
			// CONTINUE ONLY IF NOT A BLANK SLOT IN THE ARRAY WHICH IS POSSIBLE
			if (level[i]) {
				// DON'T CONTINUE IF A FILE NAME IS FOUND
				if (level[i].indexOf(".") == -1) {
					// APPEND THE CURRENT DIRECTORY TO THE BREADCUMB TRAIL
					//root += level[i] + "/";
					// START A LINK IF THIS IS NOT A SECTION LANDING PAGE
					if (thisPage != pgList[level[i]]) 
						outMsg += fntOpen;
					// WRITE THE CURRENT DIRECTORY LABEL
					outMsg += descList[level[i]];
					// CLOSE THE LINK IF THIS IS NOT A SECTION LANDING PAGE
					if (thisPage != pgList[level[i]])  
						outMsg += fntClose + bcmDelimiter;
				}
			}
		}
		// IF THIS IS NOT THE SECTION LANDING PAGE, DISPAY IT'S TITLE
		if (pgTitle && thisPage != pgList[level[i - 2]]) 
			outMsg += pgTitle.substring(pgTitle.lastIndexOf(" - ") + 1, pgTitle.length);
		// COMPLETE THE OUT STRING BY CLOSING THE ORIGINAL FONT TAG
		outMsg += fntClose;
		
		// BEGIN BREADCRUMB UPDATE
		if (isN4) {
			var thisLayer = eval("document."+lyr);
			thisLayer.document.write(outMsg);
			thisLayer.document.close();
		} else if (isMSIE)	{
			var thisLayer = eval("document.all." + lyr + "_div");
			thisLayer.innerHTML = outMsg;
		} else if (isN6) {
			var thisLayer = document.getElementById(lyr + "_div");
			thisLayer.innerHTML = outMsg;
		}
	}
}