/**
 * jQuery-Plugin "preloadCssImages"
 * by Scott Jehl, scott@filamentgroup.com
 * http://www.filamentgroup.com
 * --------------------------------------------------------------------
 */
;jQuery.preloadCssImages = function(settings){
	settings = jQuery.extend({
		statusTextEl: null,
		statusBarEl: null,
		errorDelay: 999, // handles 404-Errors in IE
		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'; // wrong status-text bug fixed
				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(){
		//only load 1 image at the same time / most browsers can only handle 2 http requests, 1 should remain for user-interaction (Ajax, other images, normal page requests...)
		// otherwise set simultaneousCacheLoading to a higher number for simultaneous downloads
		if(imgUrls && imgUrls.length && imgUrls[loaded]){
			var img = new Image(); //new img obj
			img.src = imgUrls[loaded];	//set src either absolute or rel to css dir
			if(!img.complete){
				jQuery(img).bind('error load onreadystatechange', onImgComplete);
			} else {
				onImgComplete();
			}
			errorTimer = setTimeout(onImgComplete, settings.errorDelay); // handles 404-Errors in IE
		}
	}
	
	function parseCSS(sheets, urls) {
		var w3cImport = false,
			imported = [],
			importedSrc = [],
			baseURL;
		var sheetIndex = sheets.length;
		while(sheetIndex--){//loop through each stylesheet
			
			var cssPile = '';//create large string of all css rules in sheet
			
			if(urls && urls[sheetIndex]){
				baseURL = urls[sheetIndex];
			} else {
				var csshref = (sheets[sheetIndex].href) ? sheets[sheetIndex].href : 'window.location.href';
				var baseURLarr = csshref.split('/');//split href at / to make array
				baseURLarr.pop();//remove file path from baseURL array
				baseURL = baseURLarr.join('/');//create base url for the images in this sheet (css file's dir)
				if (baseURL) {
					baseURL += '/'; //tack on a / if needed
				}
			}
			if(sheets[sheetIndex].cssRules || sheets[sheetIndex].rules){
				thisSheetRules = (sheets[sheetIndex].cssRules) ? //->>> http://www.quirksmode.org/dom/w3c_css.html
					sheets[sheetIndex].cssRules : //w3
					sheets[sheetIndex].rules; //ie 
				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){ // only add rules to the string if you can assume, to find an image, speed improvement
							cssPile += text; // thisSheetRules[ruleIndex].style.cssText instead of thisSheetRules[ruleIndex].cssText is a huge speed improvement
						}
					} else if(thisSheetRules[ruleIndex].styleSheet) {
						imported.push(thisSheetRules[ruleIndex].styleSheet);
						w3cImport = true;
					}
					
				}
			}
			//parse cssPile for image urls
			var tmpImage = cssPile.match(/[^\("]+\.(gif|jpg|jpeg|png)/g);//reg ex to get a string of between a "(" and a ".filename" / '"' for opera-bugfix
			if(tmpImage){
				var i = tmpImage.length;
				while(i--){ // handle baseUrl here for multiple stylesheets in different folders bug
					var imgSrc = (tmpImage[i].charAt(0) == '/' || tmpImage[i].match('://')) ? // protocol-bug fixed
						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 += '/'; //tack on a / if needed
					}
					var iSrc = (iHref.charAt(0) == '/' || iHref.match('://')) ? // protocol-bug fixed
						iHref : 
						baseURL + iHref;
					
					importedSrc.push(iSrc);
					imported.push(sheets[sheetIndex].imports[iImport]);
				}
				
				
			}
		}//loop
		if(imported.length){
			parseCSS(imported, importedSrc);
			return false;
		}
		var downloads = settings.simultaneousCacheLoading;
		while( downloads--){
			setTimeout(loadImgs, downloads);
		}
	}
	parseCSS(document.styleSheets);
	return imgUrls;
};

/*
	** Equal Height Columns **
*/
function equalHeight(group,pad) {
    tallest = 0;
	iCol = 0;
    group.each(function() {
        thisHeight = $(this).height();
		if(thisHeight > tallest) {
            tallest = thisHeight;
			if(iCol==0 && pad==true) {tallest = tallest + 15 }
        }
		iCol++;
    });
    group.height(tallest);
}

/*
	** Drop Down Menu Script **
*/
startList = function() {
	if (document.getElementById) {
		navRoot = document.getElementById("nav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
				node.onmouseover=function() {
					aLink = this.childNodes[0];
					if(this.className=="resources" || this.className=="resources active") { displayInputs("quick-search","hidden"); }
					if(this.className=="") { this.className+="over" } else { this.className+=" over" }
					if(aLink.className=="") { aLink.className+="over" } else { aLink.className+=" over" }
				}
				node.onmouseout=function() {
					aLink = this.childNodes[0];
					this.className=this.className.replace(" over", "");
					this.className=this.className.replace("over", "");
					aLink.className=aLink.className.replace(" over", "");
					aLink.className=aLink.className.replace("over", "");
					if(this.className=="resources" || this.className=="resources active") { displayInputs("quick-search","visible"); }
				}
			}
		}
	}
};
function displayInputs(formId,display) {
	if($.browser.msie) {
		var inputs = document.getElementById(formId).getElementsByTagName("input");
		var selects = document.getElementById(formId).getElementsByTagName("select");
		var replaced = $(".jquery-selectbox");
		for (var i=0; i<inputs.length; i++) {
			if (inputs[i].type == "text") {
				inputs[i].style.visibility = display;
			}
		}
		for (var i=0; i<selects.length; i++) {
			selects[i].style.visibility = display;
		}
		for (var i=0; i<replaced.length; i++) {
			replaced[i].style.visibility = display;
		}
	}
}
/* Clickable Area - target & href location */
function clickableArea(target,href) {href = href + ":first a:first";$(target).click(function() {window.location = $(this).find(href).attr("href");});$(target).hover(function() {$(this).addClass("hover");},function() {$(this).removeClass("hover");});}

/* =========================================================

// jquery.innerfade.js

// based on the work of Matt Oakes http://portfolio.gizone.co.uk/applications/slideshow/
// and Ralf S. Engelschall http://trainofthoughts.org/

 *
 *  <ul id="news"> 
 *      <li>content 1</li>
 *      <li>content 2</li>
 *      <li>content 3</li>
 *  </ul>
 *  
 *  $('#news').innerfade({ 
 *	  animationtype: Type of animation 'fade' or 'slide' (Default: 'fade'), 
 *	  speed: Fading-/Sliding-Speed in milliseconds or keywords (slow, normal or fast) (Default: 'normal'), 
 *	  timeout: Time between the fades in milliseconds (Default: '2000'), 
 *	  type: Type of slideshow: 'sequence', 'random' or 'random_start' (Default: 'sequence'), 
 * 		containerheight: Height of the containing element in any css-height-value (Default: 'auto'),
 *	  runningclass: CSS-Class which the container gets applied (Default: 'innerfade'),
 *	  children: optional children selector (Default: null)
 *  }); 
 *
// ========================================================= */


(function($) {

    $.fn.innerfade = function(options) {
        return this.each(function() {   
            $.innerfade(this, options);
        });
    };

    $.innerfade = function(container, options) {
        var settings = {
        		'animationtype':    'slide',
            'speed':            50,
            'type':             'sequence',
            'timeout':          5000,
            'containerheight':  'auto',
            'runningclass':     'innerfade',
            'children':         null
        };
        if (options)
            $.extend(settings, options);
        if (settings.children === null)
            var elements = $(container).children();
        else
            var elements = $(container).children(settings.children);
        if (elements.length > 1) {
            $(container).css('position', 'relative').css('height', settings.containerheight).addClass(settings.runningclass);
            for (var i = 0; i < elements.length; i++) {
                $(elements[i]).css('z-index', String(elements.length-i)).css('position', 'absolute').hide();
            };
            if (settings.type == "sequence") {
                setTimeout(function() {
                    $.innerfade.next(elements, settings, 1, 0);
                }, settings.timeout);
                $(elements[0]).show();
            } else if (settings.type == "random") {
            		var last = Math.floor ( Math.random () * ( elements.length ) );
                setTimeout(function() {
                    do { 
												current = Math.floor ( Math.random ( ) * ( elements.length ) );
										} while (last == current );             
										$.innerfade.next(elements, settings, current, last);
                }, settings.timeout);
                $(elements[last]).show();
						} else if ( settings.type == 'random_start' ) {
								settings.type = 'sequence';
								var current = Math.floor ( Math.random () * ( elements.length ) );
								setTimeout(function(){
									$.innerfade.next(elements, settings, (current + 1) %  elements.length, current);
								}, settings.timeout);
								$(elements[current]).show();
						}	else {
							alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');
						}
				}
    };

    $.innerfade.next = function(elements, settings, current, last) {
        if (settings.animationtype == 'slide') {
            $(elements[last]).slideUp(settings.speed);
            $(elements[current]).slideDown(settings.speed);
        } else if (settings.animationtype == 'fade') {
            $(elements[last]).fadeOut(settings.speed);
            $(elements[current]).fadeIn(settings.speed, function() {
							removeFilter($(this)[0]);
						});
        } else
            alert('Innerfade-animationtype must either be \'slide\' or \'fade\'');
        if (settings.type == "sequence") {
            if ((current + 1) < elements.length) {
                current = current + 1;
                last = current - 1;
            } else {
                current = 0;
                last = elements.length - 1;
            }
        } else if (settings.type == "random") {
            last = current;
            while (current == last)
                current = Math.floor(Math.random() * elements.length);
        } else
            alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');
        setTimeout((function() {
            $.innerfade.next(elements, settings, current, last);
        }), settings.timeout);
    };

})(jQuery);

// **** remove Opacity-Filter in ie ****
function removeFilter(element) {
	if(element.style.removeAttribute){
		element.style.removeAttribute('filter');
	}
}


/* Strart scripts */
$(document).ready(function(){
  $.preloadCssImages();
  equalHeight($(".col"),true);
  startList();
	clickableArea(".site-sectors li","p:last-child"); // clickable boxes
	clickableArea(".nav-sub-sector h2","span"); // clickable boxes
	//$('#news-ticker').innerfade({ speed: 2000, timeout: 6000, containerheight:'111px' }); 
	$(".news .inner").jCarouselLite({
		vertical: true,
		hoverPause:true,
		visible: 1,
		auto:7000,
		speed:250
	});

});
