// OPEN A PAGE IN A NEW WINDOW
// Create the new window
function openInNewWindow(e) {
	var event;
	if (!e) event = window.event;
	else event = e;
	// Abort if a modifier key is pressed
	if (event.shiftKey || event.altKey || event.ctrlKey || event.metaKey) {
		return true;
	}
	else {		
		var newWindow = window.open(this.getAttribute('href'), '', 'width=780, height=500, scrollbars=yes, resizable=yes, toolbar=yes, location=yes, directories=no, menubar=yes, copyhistory=no');
		if (newWindow) {
		    // For IE 8
			try {
		        if (newWindow.focus()) {
			        newWindow.focus();
			    }
		    }
		    catch(err) {		        
		        return false;		        
		    }	
		return false;
		}
	return true;
	}
}

// CALL THIS FUNCTION TO INITIATE FUNCTION THAT OPENS CERTAIN LINKS IN NEW WINDOWS
function getNewWindowLinks() {
	// Check that the browser is DOM compliant
	if (document.getElementById && document.createElement && document.appendChild) {		
		// Find all links
		var link;
		var links = document.getElementsByTagName('a');
		for (var i = 0; i < links.length; i++) {
			link = links[i];
			// Find all links with a class name of "non-html"
			if (/\bnon\-html\b/.test(link.className)) {
				link.onclick = openInNewWindow;
			}
			// Find all links with a class name of "off-site"
			else if (/\boff\-site\b/.test(link.className)) {				
				link.onclick = openInNewWindow;
			}			
		}
	}
}

// LOOK FOR TABLES AND CREATE ALTERNATE ROWS
// This auto adjusts alternate rows as new rows are added
function createAlternateRows() {
	// Check that the browser is DOM compliant
	if (document.getElementById) {		
		// Find all table rows		
		var row;
		var tablerows = document.getElementsByTagName('tr');
		var counter = 0;
		for (var i = 0; i < tablerows.length; i++) {
			row = tablerows[i];
			if (counter == 1) {
				row.className = 'alt';
				counter = 0;
			}
			else {
				row.className = '';
				counter ++;
			}							
		}	
	}
}

// SET FOCUS ON PAGES WITH USER FORMS
// Look for inputs tags with the class name of "first"
function goToFirstInput() {		
	var objInput;		
	var aryInput = document.getElementsByTagName('input');
	for (var i = 0; i < aryInput.length; i++) {
		objInput = aryInput[i];
		// Find all inputs with a class name of "first"
		if (/\bfirst\b/.test(objInput.className)) {				
			objInput.focus();							
		}				
	}	
}

// CREATE DESCRIPTION FOR PRIMARY NAVIGATION
function getNavDesc() {    
    var objDescElement = document.getElementById("nav_description");
    var objCurrentNavDesc = objDescElement.innerHTML; 
    var aryNavDesc = new Array();  
    var objPrimaryNav = document.getElementById("nav_primary"); 
    var aryLinks = objPrimaryNav.getElementsByTagName("a");
	for (var i = 0; i < aryLinks.length; i++) {
		aryNavDesc[i] = aryLinks[i].title;
		aryLinks[i].title = "";			
		if (/\bhotstate\b/.test(aryLinks[i].className)) {				
			objCurrentNavDesc =	aryNavDesc[i];
			objDescElement.innerHTML = objCurrentNavDesc;			
		}		
	}	
	// Mouse over functions	
	if (aryLinks[0] != undefined) {
		aryLinks[0].onmouseover = function() {		    
	    	objDescElement.innerHTML = aryNavDesc[0];
		}
	}
	if (aryLinks[1] != undefined) {
		aryLinks[1].onmouseover = function() {		    
	    	objDescElement.innerHTML = aryNavDesc[1];
		}
	}
	if (aryLinks[2] != undefined) {
		aryLinks[2].onmouseover = function() {		    
	    	objDescElement.innerHTML = aryNavDesc[2];
		}
	}
	if (aryLinks[3] != undefined) {
		aryLinks[3].onmouseover = function() {		    
	    	objDescElement.innerHTML = aryNavDesc[3];
		}
	}
	if (aryLinks[4] != undefined) {
		aryLinks[4].onmouseover = function() {		    
	    	objDescElement.innerHTML = aryNavDesc[4];
		}
	}
	if (aryLinks[5] != undefined) {
		aryLinks[5].onmouseover = function() {		    
	    	objDescElement.innerHTML = aryNavDesc[5];
		}
	}	
	if (aryLinks[6] != undefined) {
		aryLinks[6].onmouseover = function() {		    
	    	objDescElement.innerHTML = aryNavDesc[6];
		}
	}	
	// Mouse out functions	
	if (aryLinks[0] != undefined) {
		aryLinks[0].onmouseout = function() {
	   	 	objDescElement.innerHTML = objCurrentNavDesc;
		}
	}
	if (aryLinks[1] != undefined) {
		aryLinks[1].onmouseout = function() {
	    	objDescElement.innerHTML = objCurrentNavDesc;
		}
	}
	if (aryLinks[2] != undefined) {
		aryLinks[2].onmouseout = function() {
	    	objDescElement.innerHTML = objCurrentNavDesc;
		}
	}
	if (aryLinks[3] != undefined) {
		aryLinks[3].onmouseout = function() {
	   		objDescElement.innerHTML = objCurrentNavDesc;
		}
	}
	if (aryLinks[4] != undefined) {
		aryLinks[4].onmouseout = function() {
	    	objDescElement.innerHTML = objCurrentNavDesc;
		}
	}
	if (aryLinks[5] != undefined) {
		aryLinks[5].onmouseout = function() {
	    	objDescElement.innerHTML = objCurrentNavDesc;
		}
	}	
	if (aryLinks[6] != undefined) {
		aryLinks[6].onmouseout = function() {
	    	objDescElement.innerHTML = objCurrentNavDesc;
		}
	}	
}

// LOOK FOR UNORDERED LISTS TO CREATED COLUMNAR LISTS
function createColumnarLists() {
	// Check that the browser is DOM compliant
	if (document.getElementById) {		
		// Find all unordered lists	
		var ul;
		var ullists = document.getElementsByTagName('ul');		
		for (var i = 0; i < ullists.length; i++) {
			ul = ullists[i];
			// Find all lists with a class name of "columnar"
			if (/\bcolumnar\b/.test(ul.className)) {
				var counter = 0;
				// Get all children
				for (var j = 0; j < ul.childNodes.length; j++) {								
				 	var li = ul.childNodes[j];					
					// Check to make sure this is an element node rather than a white space (text) node
					if (li.nodeType == '1') {
						// Add classes to list items
						if (counter == 1) {
							li.className = 'column2';							
							counter = 0;						
						}
						else {
							li.className = 'column1';							
							counter ++;						
						}
						// Append additional class if no content exists
						if (li.innerHTML == '') {
							li.className = li.className + ' none';
						}
					}								
				}				
			}					
		}
	}
}

// CREATE CAPTIONS FOR IMAGES IN CONTENT AREA
// Requires jQuery
function createCaptions() {
	var titleimages = $("div#content img[title]");
	var titleimage;
	var theTitle;
	for (var i = 0; i < titleimages.length; i++) {
		titleimage = titleimages[i];
		$(titleimage).wrap("<div class='photo'></div>");
		$(titleimage).after("<span class='caption'></span>");
		theTitle = $(titleimage).attr("title");
		$(titleimage).next("span").text(theTitle);
		$(titleimage).attr("title","");
	}
}

// ADJUST WIDTH OF SEARCH ELEMENTS BASED ON NAVIGATION WIDTH
// Requires jQuery
function adjustNavigation() {	
	var totalWidth = $("div#main").width();
	// Make sure display is set to inline (should be set in CSS already)
	$("ul#nav_primary").css("display","inline");
	var navWidth = $("ul#nav_primary").width();
	var navNumber = $("ul#nav_primary li").length;
	var baseSearchWidth = $("div#search").width();
	var searchPaddingLeft = $("div#search").css("padding-left");
	var searchPaddingRight = $("div#search").css("padding-right");
	var buttonWidth = $("div#search .submit").width();
	var buttonWhitespace = 37;
	var searchPadding = parseFloat(searchPaddingLeft, 10) + parseFloat(searchPaddingRight, 10);
	var maxNavWidth = totalWidth - baseSearchWidth;	
	var maxNavImageWidths = maxNavWidth - navNumber;	
	// Stop function if navigation width is too wide	
	if (navWidth > maxNavWidth) {
		// Display alert if user is logged into administration area
		var theQS = window.location.search.substring(1);
		if (theQS.indexOf("cmspagemode") != -1) {
			alert("The navigation images used are too large. Please reduce the total width to " + maxNavImageWidths + " pixels or less.");
		}
		return false;
	}	
	var searchWidth = totalWidth - navWidth - searchPadding;
	var inputWidth = searchWidth - buttonWidth - buttonWhitespace;
	// Make sure navigation width is set before adjusting search box
	if (navWidth > 0 && navWidth != "" && navWidth != null) {
		$("div#search").width(searchWidth);
		$("div#search input").width(inputWidth);
	}	
}

// ON-LOAD EVENTS 
// Requires jQuery
$(document).ready(function() {
	getNavDesc();	
	goToFirstInput();
	// Control HTML tables
	createAlternateRows();
	// Columnar lists
	createColumnarLists();
	$("ul.columnar + *").addClass("end");
	// Add classes to different types of links to control behavior
	$("a[href^=http://],a[href^=https://]").addClass("off-site");
	$("a[href$=pdf],a[href$=jpg],a[href$=gif],a[href$=png],a[href$=sflb]").addClass("non-html");
	$("a[href$=pdf,a[href*=PDFs").addClass("pdf");
	getNewWindowLinks();
	createCaptions();
	// Search adjustment
	adjustNavigation();		
});