// Preload CSS images
;jQuery.preloadCssImages=function(settings){settings=jQuery.extend({statusTextEl:null,statusBarEl:null,errorDelay:999,simultaneousCacheLoading:2},settings);var allImgs=[],loaded=0,imgUrls=[],thisSheetRules,errorTimer;function onImgComplete(){clearTimeout(errorTimer);if(imgUrls&&imgUrls.length&&imgUrls[loaded]){loaded++;if(settings.statusTextEl){var nowloading=(imgUrls[loaded])?'Now Loading: <span>'+imgUrls[loaded].split('/')[imgUrls[loaded].split('/').length-1]:'Loading complete';jQuery(settings.statusTextEl).html('<span class="numLoaded">'+loaded+'</span> of <span class="numTotal">'+imgUrls.length+'</span> loaded (<span class="percentLoaded">'+(loaded/imgUrls.length*100).toFixed(0)+'%</span>) <span class="currentImg">'+nowloading+'</span></span>');}
if(settings.statusBarEl){var barWidth=jQuery(settings.statusBarEl).width();jQuery(settings.statusBarEl).css('background-position',-(barWidth-(barWidth*loaded/imgUrls.length).toFixed(0))+'px 50%');}
loadImgs();}}
function loadImgs(){if(imgUrls&&imgUrls.length&&imgUrls[loaded]){var img=new Image();img.src=imgUrls[loaded];if(!img.complete){jQuery(img).bind('error load onreadystatechange',onImgComplete);}else{onImgComplete();}
errorTimer=setTimeout(onImgComplete,settings.errorDelay);}}
function parseCSS(sheets,urls){var w3cImport=false,imported=[],importedSrc=[],baseURL;var sheetIndex=sheets.length;while(sheetIndex--){var cssPile='';if(urls&&urls[sheetIndex]){baseURL=urls[sheetIndex];}else{var csshref=(sheets[sheetIndex].href)?sheets[sheetIndex].href:'window.location.href';var baseURLarr=csshref.split('/');baseURLarr.pop();baseURL=baseURLarr.join('/');if(baseURL){baseURL+='/';}}
if(sheets[sheetIndex].cssRules||sheets[sheetIndex].rules){thisSheetRules=(sheets[sheetIndex].cssRules)?sheets[sheetIndex].cssRules:sheets[sheetIndex].rules;var ruleIndex=thisSheetRules.length;while(ruleIndex--){if(thisSheetRules[ruleIndex].style&&thisSheetRules[ruleIndex].style.cssText){var text=thisSheetRules[ruleIndex].style.cssText;if(text.toLowerCase().indexOf('url')!=-1){cssPile+=text;}}else if(thisSheetRules[ruleIndex].styleSheet){imported.push(thisSheetRules[ruleIndex].styleSheet);w3cImport=true;}}}
var tmpImage=cssPile.match(/[^\("]+\.(gif|jpg|jpeg|png)/g);if(tmpImage){var i=tmpImage.length;while(i--){var imgSrc=(tmpImage[i].charAt(0)=='/'||tmpImage[i].match('://'))?tmpImage[i]:baseURL+tmpImage[i];if(jQuery.inArray(imgSrc,imgUrls)==-1){imgUrls.push(imgSrc);}}}
if(!w3cImport&&sheets[sheetIndex].imports&&sheets[sheetIndex].imports.length){for(var iImport=0,importLen=sheets[sheetIndex].imports.length;iImport<importLen;iImport++){var iHref=sheets[sheetIndex].imports[iImport].href;iHref=iHref.split('/');iHref.pop();iHref=iHref.join('/');if(iHref){iHref+='/';}
var iSrc=(iHref.charAt(0)=='/'||iHref.match('://'))?iHref:baseURL+iHref;importedSrc.push(iSrc);imported.push(sheets[sheetIndex].imports[iImport]);}}}
if(imported.length){parseCSS(imported,importedSrc);return false;}
var downloads=settings.simultaneousCacheLoading;while(downloads--){setTimeout(loadImgs,downloads);}}
parseCSS(document.styleSheets);return imgUrls;};

$(function() {
	// Customized options for sub page popup window(s)
	$("#nav li a, #footerNav li a").click(function() {
		if($("div.page").is(':visible')) {
			$("div.page").dialog('close');
		}
		
		var pageID = '#'+ $(this).parent().attr('class');
		$(pageID).dialog({
			show: 'scale',
			hide: 'scale',
			closeOnEscape: true,
			height: 777,
			width: 864,
			position: 'top',
			autoOpen: false
		}).dialog('open');
	});
	
	// Load Portfolio signs category images on Portfolio page launch (will also initilize jQuery Cylce plugin)
	$("#nav li.portfolio, #footerNav li.portfolio").click(function() {
		$('#portfolioContainer').load("portfolio-signs.html");
	});
	
	// Unload Portfolio signs category images and load new category images
	$("#portfolioCats a").click(function() {
		var portfolioCat = $(this).attr('href');
		$("#portfolioContainer").empty().load(portfolioCat);
		return false;
	});
	
	// Initialize "neon sign" fade in and out
	setInterval(function() {
		$("#headerNeon, #navNeon").fadeTo(1000, 0.35, function() {
			$(this).fadeTo(1000, 1);
		});
	}, 1000);
	
	// Preload CSS images
	$.preloadCssImages();
});