/**
 * utility.js
 */

/*
	EXTEND LIBRARY
*/

$.extend();
$.fn.extend();

var rootPath = function(){
	return $('script#coreJS')[0].src.split('common/js')[0];
}


/*
	AUTOMATION
*/

/* initRollOvers
--------------------------------------------------*/
function initRollOvers(){
	if(!document.getElementById) return;

	var preImgArr = new Array();

	$('img.ahover, .ahoverList img').each(function(){
		var src = $(this).attr('src');
		var isov = src.substring(0,src.lastIndexOf('.'));
		if( isov.substring(isov.length-3, isov.length) != "_ov"
		 && isov.substring(isov.length-3, isov.length) != "_on"
		 && isov.substring(isov.length-4, isov.length) != "_off"
		){
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_ov'+ftype);
			var dsrc = src;
			$(this).attr('hsrc', hsrc);
			$(this).attr('dsrc', dsrc);

			preImgArr.push(new Image());
			preImgArr[preImgArr.length-1].src = hsrc;

			$(this).bind('mouseover', function(e){
				$(this).attr('src', $(this).attr('hsrc'));
			});
			$(this).bind('mouseout', function(e){
				$(this).attr('src', $(this).attr('dsrc'));
			});
			if ($.browser.safari) {
				$(this).bind('click', function(e){
					$(this).attr('src', $(this).attr('dsrc'));
				});
			}
		}
	});
}

/* cssBrowserSelector
--------------------------------------------------*/
var cssBrowserSelector = function() {
	var
	ua = navigator.userAgent.toLowerCase(),
	is = function(t){ return ua.indexOf(t) != -1; },
	h = $('body')[0],
	b =	(!(/opera|webtv/i.test(ua)) && /msie (¥d)/.test(ua)) ? ('ie ie'+RegExp.$1)
			: is('gecko/') ? 'gecko'
			: is('opera/9') ? 'opera opera9'
			: /opera (¥d)/.test(ua) ? 'opera opera'+RegExp.$1
			: is('konqueror') ? 'konqueror'
			: is('applewebkit/') ? 'webkit safari'
			: is('mozilla/') ? 'gecko'
			: '',
	o= (is('x11')||is('linux')) ?' linux'
			:is('mac') ? ' mac'
			:is('win') ? ' win'
			:'';
	var c = b+o+' js';
	h.className += h.className? ' '+c : c;
};

/* smoothScroll
--------------------------------------------------*/
var actX;
var actY;
var tarY = 0;
var tarX = 0;
var scrollInt;
var smoothScroll = function () {
	$('a').click(function(){
		var anc = this.href.split('#')[1];
		if(!anc) return;
		if( /#/.test(this.href)  && this.href.match(location.href) && $('#'+anc)[0] ){
			tarX = ($(document).width() > $('#'+anc).position().left + $(window).width())
				? $('#'+anc).position().left
				: $(document).width() - $(window).width();
			tarY = ($(document).height() > $('#'+anc).position().top + $(window).height())
				? $('#'+anc).position().top
				: $(document).height() - $(window).height();
			actX = $(document).scrollLeft();
			actY = $(document).scrollTop();
			clearInterval(scrollInt);
			scrollInt = setInterval('setScroll()', 20);
			return false;
		}
	});
}
function setScroll(){
	actY += (tarY - actY) / 6;
	actX += (tarX - actX) / 6;
	if(Math.abs(tarX - actX) < 2 && Math.abs(tarY - actY) < 2){
		clearInterval(scrollInt);
	}
	scrollTo( Math.round(actX), Math.round(actY));
}

function blankToPop() {
	$('a.commonPop').each(function(){
		$(this).removeAttr("target");
		$(this).attr('popURL', this.href);
		( $(this).attr("rel") ? "" : $(this).attr("rel","") );
		this.href = "javascript:;";
		$(this).click(function () {
			eval("commonPop('"+$(this).attr("popURL")+"',"+$(this).attr("rel")+")");
		});
	});
}


/*
	USER FUNCTION
*/

/* commonPop
--------------------------------------------------*/
//pFile = popup File
//pWidth = popup Width [optional]
//pHeight = popup Height [optional]
//pStatus = popup Features[optional]
function commonPop(pFile, pWidth, pHeight,pStatus){
	//var fName = pFile.substring(pFile.lastIndexOf('/')+1, pFile.length);
	var wName = "";
	if(pWidth == null){ pWidth = 700}
	if(pHeight == null){ pHeight = 600}
	if(pStatus == null){ pStatus = 'yes';}
	if(pWidth > screen.availWidth){
		pWidth = screen.availWidth;
		pStatus = 'yes';
	}
	if(pHeight > screen.availHeight-50){
		pHeight = screen.availHeight-50;
		pStatus = 'yes';
	}
	var wFeatures= 'menubar=no,scrollbars='+pStatus+',resizable='+pStatus+',width='+pWidth+',height='+pHeight;
	void(window.open(pFile, wName, wFeatures));
}

/* infoDisp
--------------------------------------------------*/
$.fn.infoDisp = function(settings){
	settings = $.extend({
		url: "",
		target: "_self"
	}, settings)
	this.html('<dl></dl>');
	var holder = this.find('dl');
	$.getJSON(settings.url +'?jsoncallback=?', 
		function(data){
			$.each(data, function(i, item){
				holder.append('<dt>'+ item.date +'</dt><dd><a href="'+ item.link +'" target="'+ settings.target +'">'+ item.title +'</a></dd>');
			});
		}
	);
}

/* fadeOver
--------------------------------------------------*/
$.fn.fadeOver = function(settings){
	settings = $.extend({
		opacity: 0.7,
		time: 500
	}, settings)
	var holder = this;
	holder.hover(
		function(){ $(this).stop().animate({"opacity":settings.opacity}, settings.time); },
		function(){ $(this).stop().animate({"opacity":1}, settings.time); }
	);
}