$(document).ready(function(){

	$('body').addClass('js');
	textSize.checkForCookie();
	textSize.setUpFontSizingButtons();
	
	search.init();
    anchors.addBehaviors();
	$('#navPrimary>li').sfHover('sfhover');
	addPaddingToDhtmlMenus();
	shortcutDropdown.init();
	sectionNav();
	setContentHeights();
	
	txtBoxClear.init();
    setPrintCss();
	$("table.contentTable tbody tr:nth-child(odd)").addClass("odd");
});




/* =================================================================== */
function setPrintCss() {
    if ( $('#colSecondary>div').size() <= 1 ) {
        $('#envelope').addClass('printCssFull');
    }
}
/* =================================================================== */



/* =================================================================== */
function setContentHeights() {
	var contentHeight = $('#colPrimary').height();
	var colSecondaryHeight = $('#colSecondary').height();
	if (colSecondaryHeight > contentHeight) {
		$('#colPrimary').height(colSecondaryHeight +'px');
	}
}
/* =================================================================== */





/* =================================================================== */
// for suckerfish dhtml menus
// dependencies: jQuery
jQuery.fn.sfHover = function(className) {
	$(this).each( function() {
		$(this).hover( function() {
			$(this).addClass(className);
		}, function() {
			$(this).removeClass(className);
		});
	});
	return this;
};
/* =================================================================== */


/* =================================================================== */
// adds padding to bottom of drop down menus
addPaddingToDhtmlMenus = function() {
	$('#navPrimary ul').find('li:last').each( function() {
		$(this).addClass('last');
	})
}
/* =================================================================== */



/* =================================================================== */
var search = {
	
	searchFormId		: 'search',
	selectId			: 'sg',
	selectedOptionId	: 'selectedOption',
	optionsListId		: 'searchOptions',
	
	init : function() {
		$('#search').find('select').hide();
		search.createDropList();
	},
	
	createDropList : function() {
		// loop through all the options in the select
		$('#'+search.selectId+' option').each( function() {
			// if it's the first option, use this is the default selected and create the 'fake' list
			if ($(this).is(':first-child') ) {
				$('<a id="'+search.selectedOptionId+'" href="#">'+$(this).text()+'</a><ul id="'+search.optionsListId+'"></ul>').insertBefore('#'+search.selectId);
				search.updateSelect($(this).text());
			}
			// all the rest of the options to the fake list
			$('<li><a href="#">'+$(this).text()+'</a></li>').appendTo('#'+search.optionsListId).click( function(e) {
				e.preventDefault();
				search.listItemClick(e,this);
			});
		});
		search.attachEvents();
	},
	
	attachEvents : function() {
		$('#'+search.selectedOptionId).click( function(e) {
			e.preventDefault();
			e.stopPropagation();
			search.selectedOptionClick(e);
		});
	},
	
	selectedOptionClick : function(e) {
		var $list = $('#'+search.optionsListId);
		if ( $list.is(':visible') ) {
			$list.hide();
			$('body').unbind('click.searchoption');
		} else {
			$list.show();
		}
		$('body').bind('click.searchoption', function(e) {
			$list.hide();
			$('body').unbind('click.searchoption');
		});
	},
	
	listItemClick : function(e,target) {
		var value = $(target).text();
		$('#'+search.selectedOptionId).text(value);
		$('#'+search.optionsListId).hide();
		search.updateSelect(value);
	}, 
	
	updateSelect : function(value) {
		$('#'+search.selectId+' option').each( function() {
			if ($(this).text() == value) {
				$(this).attr('selected','selected');
			}	
		});
	}
	
}
/* =================================================================== */



/* =================================================================== */
/* Show/Hide Select box*/
var shortcutDropdown = {

	listHeight 		: Number,
	listYPos		: Number,		
	windowOffset 	: Number,

	init : function() {
		$('.fauxSelect').wrapInner('<a href="#" class="showSelect"></a>').click( function(e) {
			e.preventDefault();
			e.stopPropagation();
			shortcutDropdown.clickEvent(e, this);
		});		
	},
	
	clickEvent : function(e, obj) {
		var $select = $(obj).next('.selectList');
		
		shortcutDropdown.listHeight = $select.height();
		shortcutDropdown.listYPos = $select.prev('.fauxSelect').offset().top;
		shortcutDropdown.windowOffset = $('html').scrollTop();
		
		if ($select.is(':visible') ) {
			shortcutDropdown.closeDropdown(e, obj, $select);
		} else {
			shortcutDropdown.openDropdown(e, obj, $select);
		}
	},
	
	openDropdown : function(e, obj, $select) {
		var iWhereItHappened = (e.pageY - shortcutDropdown.windowOffset);	
		var innerHeight = '';
		if (!window.innerHeight) {
			innerHeight = document.documentElement.clientHeight;
		} else {
			innerHeight = window.innerHeight;
		}
		
		// if where it happened on the page + the list height is greater than viewport height
		// we need to open the list up, not down.
		if ( (iWhereItHappened + shortcutDropdown.listHeight + 20) > innerHeight) {
			var totalHeight = (shortcutDropdown.listHeight + $select.prev('.fauxSelect').height()) - 1;
			$select.addClass('up').animate(
				{  'height': 'toggle', 'top': '-='+totalHeight+'px' }, 
				{ duration: "slow" }
			);
		} else {
			$select.slideDown();
		}
		$('body').bind('click.fauxselect', function(e) {
			shortcutDropdown.closeDropdown(e, obj, $select);
			$('body').unbind('click.fauxselect');
		});
	},
	
	closeDropdown : function(e, obj, $select) {
		if ( $select.hasClass('up') ) {
			var totalHeight = (shortcutDropdown.listHeight + $select.prev('.fauxSelect').height()) - 1;
			$select.removeClass('up').animate(
				{ "height": "toggle", 'top': '+='+totalHeight+'px' }, 
				{ duration: "slow" }
			);
		} else {
			$select.slideUp();
		}
		$('body').unbind('click.fauxselect');
	}

}
/* =================================================================== */




/* =================================================================== */
// use this to automatically clear a text box of it's default value
// if nothing is typed in the box, the script will put the default value back
// useful on sites where search boxes don't have a seperate label
// you can use it for more than one box per page using the txtBoxes array
txtBoxClear = {
	txtBoxes : ['searchField'],
	init: function() {
		for (i=0;i<txtBoxClear.txtBoxes.length;i++) {
			var oCurrentTxtBox = document.getElementById(txtBoxClear.txtBoxes[i]);
			if (!oCurrentTxtBox) { continue; }
			oCurrentTxtBox.defaultVal = oCurrentTxtBox.defaultValue;
			txtBoxClear.clearBox(oCurrentTxtBox);
		}
	},
	clearBox : function(txtBox) {
		txtBox.onfocus = function() {
			if (txtBox.value == txtBox.defaultVal) { txtBox.value = ''; } 
		};
		txtBox.onblur = function() {
			if (txtBox.value == '') { txtBox.value = txtBox.defaultVal; }
		};
	}
};
/* =================================================================== */



/* =================================================================== */
function sectionNav() {
	$('div.selectNav input.button').click( function() {
		var oSelect = $('select.sectionNav')[0];
		var sIndex = oSelect.selectedIndex;
		if (sIndex != 0) {
			window.location = oSelect.options[sIndex].value;
		}
	});
}
/* =================================================================== */




/* =================================================================== */
// various link functionality - popups, external, onstate
// original script taken from Jeremy Keith
// dependencies: jQuery
var anchors = {
	a: Object,
	addBehaviors : function() {
		$('a').each( function() {
			var $a = $(this);
			// external links
			if ( ($a.attr('rel')=="external") || $a.hasClass('external') || $a.hasClass('pdf') || $a.hasClass('popupFull') ) {
				$a.click( function(e) {
					e.preventDefault();
					return anchors.openWin(this,"");
				});
			}
			// popup
			if ( $a.hasClass('popup') ) {
				$a.click( function() {
					return anchors.openWin(this,"height=550,width=600,scrollbars=yes");
				});
			}
			// onstate
			if ( $a.attr('href') == location.href ) {
				$a.addClass('onstate');
			}
		});
	},
	openWin : function(o,params) {
		window.open(o.href, "newwin","" + params + "");
		return false;
	}
};
/* =================================================================== */






/* =================================================================== */
var textSize = {
	// variables 
	cookieName		: 'jaxFontSize',
	baseFont		: 16, /* base browser font size - generally 16 */
	fontSize1 		: 68.75,
	rangeLow		: 11,
	rangeHigh		: 15,
	disabledClass	: 'disabled',
	
	// check and see if there is an existing cookie, and if so, use it to set the font size
	checkForCookie : function() {
		var oCookie = getCookie(textSize.cookieName);
		if (oCookie) {
			textSize.updateFontSize('',oCookie);
		} else {
			textSize.updateFontSize('',textSize.fontSize1);
		}
	},
	
	disableButtons : function(cookieVal) {
		var iFontInPx = ((cookieVal/100) * textSize.baseFont);
		if (iFontInPx <= textSize.rangeLow) {
			$('#textSmaller').addClass('disabled');
		} else if (iFontInPx >= textSize.rangeHigh) {
			$('#textBigger').addClass('disabled');
		}
	},
	
	setUpFontSizingButtons : function() {
		$('#textControls').remove().appendTo('#headerContent');
		$('#textSmaller').click( function(e) {
			e.preventDefault();
			var iFontSize = textSize.checkCurrentFontSize();
			if (iFontSize <= textSize.rangeLow) {
				return;
			}
			$('#textControls a').removeClass(textSize.disabledClass);
			var iNewFontSize = ((iFontSize-1)/textSize.baseFont) * 100;
			textSize.updateFontSize(e,iNewFontSize);
			if ( (iFontSize-1) == textSize.rangeLow ) {
				$(this).addClass('disabled');	
			}
		});
		$('#textBigger').click( function(e) {
			e.preventDefault();
			var iFontSize = textSize.checkCurrentFontSize();
			if (iFontSize >= textSize.rangeHigh) {
				return;
			}
			$('#textControls a').removeClass(textSize.disabledClass);
			var iNewFontSize = ((iFontSize+1)/textSize.baseFont) * 100;
			textSize.updateFontSize(e,iNewFontSize);
			if ( (iFontSize+1) == textSize.rangeHigh ) {
				$(this).addClass('disabled');	
			}
		});
	},
	
	checkCurrentFontSize : function() {
		var iFontSize = parseFloat($('body').css('fontSize'));
		iFontSize = (iFontSize/100) * textSize.baseFont;
		return iFontSize;
	},
	
	updateFontSize : function(e,size) {
		$('body').css('font-size', size+'%');
		textSize.addCookie(size);
	},
	
	addCookie : function(info) {
		// checking domain should fix subdomain text size issues
		var dd = document.domain;
		if ( (dd.indexOf("jax.org")) >= 0 ) {
			setCookie(textSize.cookieName, info, '1000', '/', 'jax.org');
		} else {
			setCookie(textSize.cookieName, info, '1000', '/');
		}
		this.disableButtons(info);
	}
}
/* =================================================================== */


/* =================================================================== */
// get, set, and delete cookies
// ref: http://www.dustindiaz.com/top-ten-javascript/
function getCookie( name ) {
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
		return null;
	}
	if ( start == -1 ) { return null; }
	var end = document.cookie.indexOf( ";", len );
	if ( end == -1 ) { end = document.cookie.length; }
	return unescape( document.cookie.substring( len, end ) );
}

function setCookie( name, value, expires, path, domain, secure ) {
	var today = new Date();
	today.setTime( today.getTime() );
	if ( expires ) {
		expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );
	document.cookie = name+"="+escape( value ) +
		( ( expires ) ? ";expires="+expires_date.toGMTString() : "" ) + //expires.toGMTString()
		( ( path ) ? ";path=" + path : "" ) +
		( ( domain ) ? ";domain=" + domain : "" ) +
		( ( secure ) ? ";secure" : "" );
}

function deleteCookie( name, path, domain ) {
	if ( getCookie( name ) ) { 
			document.cookie = name + "=" +
			( ( path ) ? ";path=" + path : "") +
			( ( domain ) ? ";domain=" + domain : "" ) +
			";expires=Thu, 01-Jan-1970 00:00:01 GMT";
	}
}
/* =================================================================== */


/* =================================================================== */
//Browser check
var IS_DOM = (document.getElementById) ? true : false;
var IS_IE = (document.all) ? true : false;
var IS_IE50 = (navigator.userAgent.indexOf("IE 5.0") != -1);
var IS_Mac = (navigator.appVersion.indexOf("Mac") != -1);
/* =================================================================== */