/* Department of Justice javascript functions
............................................ */

$(document).ready(function(){
									

	/* calls accessibilty tools
	............................................ */
	var accessToolBar = '<ul id="utils">' +
                  			'<li class="printPage"><img src="/images/links/printPage.png" alt="Print Page" /></li>' +
									'<li class="textDown"><img src="/images/links/textDown.png" alt="Decrease text size" /></li>' +
									'<li class="textUp"><img src="/images/links/textUp.png" alt="Increase text size" /></li>' +
								'</ul><!-- end utils -->';
	if($('body').attr('class') != 'homepage'){
		$('#content').append(accessToolBar);
	}

	/* apply transparent hover to the following buttons...
	............................................ */
	
	// please follow the style before it if you're adding a new effect button
	
	// generic
	var transparentHover = '.searchButton';
	//transparentHover += ', #utils li img'; //print, a+, a- button
	// homepage 
	transparentHover += ', .homepage .hpHero .hpCol a';
	transparentHover += ', .homepage .hpLatestAnnouncements a img';
	// content
	transparentHover += ', .landingBox .readMoreListing'; //read more button
	transparentHover += ', .landingBox #subContent a img'; //download button
	transparentHover += ', .contentUtils li a'; //backTop, backList buttons
	transparentHover += ', .rssLink';
	transparentHover += ', .listing .readMoreListing'; //read more button
	transparentHover += ', .documentLibrary .listing .meta li img'; //download button
	transparentHover += ', .documentDetail .listing .meta li img';
	// subcontent
	transparentHover += ', #subContent .download';
	// moduleControls
	transparentHover += ', .moduleControls .buttons li img'; //paging next/prev buttons
	// footer
	//transparentHover += ', .dojLink a img';
									
	$(transparentHover).hover(function(){
		$(this).css({'opacity': 0.7});
	},
	function(){
		$(this).css({'opacity': 1});
	});

	
	
	
	/* print button
	............................................ */
	$('#utils li.printPage').click(function(){
		window.print();
	});
	
	/* font sizing
	............................................ */
	if(readCookie('font_level')){
		$('.landingBox, .contentBox').css("fontSize", readCookie('font_level')+"em");
	}
	$('#utils li.textDown').click(function(){
		if(readCookie('font_level') == 1.4){
			$('.landingBox, .contentBox').css("fontSize", 1.2+"em");
			createCookie('font_level', 1.2);
		}
		else{
			$('.landingBox, .contentBox').css("fontSize", 1+"em");
			createCookie('font_level', 1);
		}
		
	});
	$('#utils li.textUp').click(function(){
		if(readCookie('font_level') == 1 || !readCookie('font_level')){
			$('.landingBox, .contentBox').css("fontSize", 1.2+"em");
			createCookie('font_level', 1.2);
		}
		else if(readCookie('font_level') == 1.2){
			$('.landingBox, .contentBox').css("fontSize", 1.4+"em");
			createCookie('font_level', 1.4);
		}
		// if it's 1.4, clicking up doesn't do anything.
	});
	
});

// cookie script
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}