$(function() {
	$.f_varResizeImg = {
		defaults: {
			objImage: null,
			nWidth: 500,
			nDelay: 5000,
			nStartDelay: 0
		}
	};


	/* CLASS Àü¿ª ½ÇÇà ============================================================*/
	/* ¹öÆ° À̹ÌÁö ¸¶¿ì½º ·Ñ¿À¹ö ó¸® */
	$(".clsImgOver").mouseover(function(){
		$(this).attr("src",$(this).attr("oversrc"));
	});

	$(".clsImgOver").mouseout(function(){
		$(this).attr("src",$(this).attr("outsrc"));
	});


	/* FUNCTION ½ÇÇà ==============================================================*/
	/* ´ë¿ë·® À̹ÌÁö ¸®»çÀÌÁî ÇÔ¼ö */
	$.jQResizeImg = function(defaults) {
		function jQResizeImgTimer(config) {
			var isAction = "N";

			$(config.objImage).each(function(){
				var nImgOrigWidth = $(this).outerWidth();
				if(nImgOrigWidth > config.nWidth) {
					$(this).width(config.nWidth);
					isAction = "Y";
				}
			});
	
			if (isAction == "Y") {
				setTimeout( function(){jQResizeImgTimer(config)}, config.nDelay);
			}
		};

		var config = $.extend({}, $.f_varResizeImg.defaults, defaults);
		setTimeout( function(){jQResizeImgTimer(config)}, config.nStartDelay);
	};


	$.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;
	}
});