/* ---------------------------------------------------------------
	
	FUNCTION.JS -- 4digit Javascript BASE FUNCTIONS
	Copyright (c) fourdigit Co., Ltd. All Rights Reserved.
		
--------------------------------------------------------------- */
/*
	EXTEND LIBRARY
*/

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


/*
	AUTOMATION
*/
//FUNCTION initRollOvers
function initRollOvers(){
	if(!document.getElementById) return;
	$('img.ahover').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);
			var preImage = new Image();
			preImage.src = hsrc;
			preImage.src = dsrc;
			$(this).bind('mouseover', function(e){
				$(this).attr('src', $(this).attr('hsrc'));
				enablePNG (this);
			});
			$(this).bind('mouseout', function(e){
				$(this).attr('src', $(this).attr('dsrc'));
				enablePNG (this);
			});
			if ($.browser.webkit) {
					$(this).bind('click', function(e){
					$(this).attr('src', $(this).attr('dsrc'));
					enablePNG (this);
				});
			}
		}
	});
}

//FUNCTION enablePNG
var filePath = function(){
	return $('script#core')[0].src.split('script/js')[0];
}
function enablePNG (i) {
	if ($.browser.msie && /png/.test(i.src)) {
		i.style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="' + i.src + '", sizingMethod=scale)';
		i.src = filePath()+'share_imgs/space.gif';
	}
}
//FUNCTION enableFlash (for IE6.5+ on winXP SP2 KB912945)
function enableFlash(){
	if($.browser.msie) {
		$('object, applet, embed').each(function () {
			this.removeAttribute('data');
			this.outerHTML += "";
		});
	}
}
//FUNCTION spaceCleaner
function spaceCleaner(){$('#logtag img').css('display', 'none');}
//FUNCTION 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;
};


var actX;
var actY;
var tarY = 0;
var tarX = 0;
var scrollInt;
var smoothScroll = function () {
	$('a').each(function(){
		var anc = this.href.split('#header')[1];
		if( /#/.test(this.href)  && this.href.match(location.href) && $('#header'+anc)[0] ){
			this.href="javascript:void(0);";
			$(this).bind('click', function  (){
				tarX = ($(document).width() > $('#header'+anc).position().left + $(window).width())
					? $('#header'+anc).position().left
					: $(document).width() - $(window).width();
				tarY = ($(document).height() > $('#header'+anc).position().top + $(window).height())
					? $('#header'+anc).position().top
					: $(document).height() - $(window).height();
			  actX = $(document).scrollLeft();
			  actY = $(document).scrollTop();
				clearInterval(scrollInt);
				scrollInt = setInterval('setScroll()', 20);
			});
		}
	});
}
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));
}


/*
	USER FUNCTION
*/
//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));
}
//FUNCTION moveOpener
//pFile = file
function moveOpener(pFile){
	if(opener){
		void(opener.location.href = pFile);
	}else{
		void(document.location.href = pFile);
	}
}