// 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) {
		    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" - Use for PDF documents and the like
			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 ++;
			}							
		}	
	}
}

// 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';
						}
					}								
				}				
			}					
		}
	}
}

// ==============================================================
// PSEUDO-SELECT MENU version 3 - Greg Laycock, Fahlgren
// Emulate SELECT element so that search engines can follow links
// ==============================================================
// Initialize PSEUDO-SELECT elements (use on-load)
function initPseudoSelects() {
    // Check that the browser is DOM compliant
	if (document.getElementsByTagName) {
	    var theClass;
		var objDiv;
	    var aryDivs = document.getElementsByTagName('div');
	    for (var i = 0; i < aryDivs.length; i++) {
		    objDiv = aryDivs[i];
		    // Find all divs with a class name of "pseudo-select"
		    if (/\bpseudo\-select\b/.test(objDiv.className)) {
			   	theClass = objDiv.className;
				objDiv.className = theClass + '-active';
				objDiv.onclick = emulateSelectElement;
			}
	    }
    }
}
// Open and close PSEUDO-SELECT elements
function emulateSelectElement() {
	var on = 'pseudo-select-active on'
	var off = 'pseudo-select-active off'
	switch (this.className) {
		case on:	
			this.className = off;
			break;
		case off:
		default:			
			this.className = on;
			break;
	}
}
// ==============================================================
// ==============================================================

// LOOK FOR CLOAKED LINKS AND MAKE THEM CLICKABLE
// Hopefully this will help hide e-mail addresses from spam spiders
function createMailtoLinks() {
	// Check that the browser is DOM compliant
	if (document.getElementById && document.createElement && document.appendChild) {			
		var email; // E-mail address
		var mailto; // The mailto hyperlink
		var rel; // Added 6/2/09 - specific to this project
		var cloak; // The mailto span element
		var spans = document.getElementsByTagName('span'); // Array of span elements
		for (var i = 0; i < spans.length; i++) {
			cloak = spans[i];
			// Find all span elements with a class name of "cloak"
			if (/\bcloak\b/.test(cloak.className)) {				
				email = cloak.innerHTML;
				rel = cloak.id;
				cloak.innerHTML = "";									
				mailto = document.createElement('a');															
				mailto.href = 'mailto:' + email;
				mailto.innerHTML = email;
				mailto.rel = rel;
				cloak.appendChild(mailto);			
			}
		}	
	}
}

// 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();							
		}				
	}	
}

// IMAGE HEADERS - DYNAMIC TEXT REPLACEMENT
// Replace header text with images
// Currently scans h1, h2, h3, h4 - looks for class name of "image-header"
function replaceHeaders() {
	if (document.getElementById && document.createElement && document.appendChild) {		
		var imageHeader;
		for (var j = 1; j < 5; j++) {
			var theElement = 'h' + j;
			var imageHeaders = document.getElementsByTagName(theElement);
			for (var i = 0; i < imageHeaders.length; i++) {
				imageHeader = imageHeaders[i];
				if (/\bimage\-header\b/.test(imageHeader.className)) {
					var theID = imageHeader.id;
					if (theID != '') {
						var theText = imageHeader.innerHTML;
						theImage = document.createElement("img");
						theImage.alt = theText;
						theImage.src = '/images/headlines/' + j + '/' + theID + '.gif';
						imageHeader.appendChild(theImage);											
						imageHeader.className = 'image-header-dynamic';
						//imageHeader.style.backgroundImage = 'url(/images/headlines/' + j + '/' + theID + '.gif)';	
					}
				}
			}
		}
	}
}

// IE HYPERLINK BACKGROUND BUG FIX
// Replaces arrow background images with on-page image
function fixArrow() {
	if (document.createElement && document.appendChild) {	
		var theArrow;
		var link;
		var links = document.getElementsByTagName("a");
		for (var i = 0; i < links.length; i++) {
			link = links[i];		
			if (/\bspecial\b/.test(link.className)) {
				theArrow = document.createElement("span");
				theArrow.className = link.className;
				theArrow.style.backgroundImage = link.currentStyle.backgroundImage;					
				link.className = "";
				link.appendChild(theArrow);
			}
		}
	}
}

// ON-LOAD EVENTS 
// Requires jQuery
$(document).ready(function() {
	$("div#rebate-lineup li li").prepend("> ");
	$("p.read-more a").append(" >>");
	$("p.download-rebate-form").append(" >>");
	$(".req-js").removeClass("req-js"); /* Show elements that require JavaScript */
	// Tire rollovers
	$("div.rebate a").hover(
	  function () {
        $(this).addClass("active");
      },
      function () {
        $(this).removeClass("active");
      }
	);
	getNewWindowLinks();
	createMailtoLinks();
	goToFirstInput();
	createAlternateRows();
	createColumnarLists();
	initPseudoSelects();
});