// common.js //

$('input.rollover,img.rollover,#sub ul li img').live('mouseover',function(){
	url = $(this).attr('src').split(".");
	$(this).attr('src',url[0] + '_over.'+url[1]);
});
$('input.rollover,img.rollover,#sub ul li img').live('mouseout',function(){
	url = $(this).attr('src').replace('_over', '');
	$(this).attr('src',url);
});

$(document).ready(function(){
	$('body').append('<div id="overlay_box"></div>');
	$('body div.overlay_window').append('<a href="javascript:closeWindow()"><img src="common/img/icon/close_btn01.png" alt="•Â‚¶‚é" class="closebtn" /></a>');

});

$('body div#overlay_box').live('click',function(){
	$(this).fadeOut();
	$('body div.overlay_window').fadeOut();
});

function viewWindow(id){
	var arrPageSizes = ___getPageSize();
	var arrPageScroll = ___getPageScroll();
	$('#overlay_box').css({
		width:		arrPageSizes[0],
		height:		arrPageSizes[1]
	});
	
	WindowWidth = $('#'+id).width();
	WindowWidthHalf = WindowWidth/2;
	WindowHeight = $('#'+id).height();
	WindowHeightHalf = WindowHeight/2;
	
	$('#'+id).css({
		left:		arrPageSizes[2]/2-WindowWidthHalf+arrPageScroll[0],
		top:		arrPageSizes[3]/2-WindowHeightHalf+arrPageScroll[1]
	});
	if( arrPageSizes[3] < WindowHeight){
		$('#'+id).css('top',100+arrPageScroll[1]);
	}
	$('body div#overlay_box').css('opacity',0.8).fadeIn();
	$('#'+id).fadeIn();
	
	$(window).resize(function() {
		var arrPageSizes = ___getPageSize();
		$('div#overlay_box').css({
			width:		arrPageSizes[0],
			height:		arrPageSizes[1]
		});
		var arrPageScroll = ___getPageScroll();
		$('#'+id).css({
			top:	arrPageSizes[2]/2-450+arrPageScroll[0],
			left:	arrPageSizes[3]/2-320+arrPageScroll[1]
		});
	});
};
function closeWindow(){
	$('body div#overlay_box').fadeOut();
	$('body div.overlay_window').fadeOut();
};



/**
 / THIRD FUNCTION
 * getPageSize() by quirksmode.com
 *
 * @return Array Return an array with page width, height and window width, height
 */
function ___getPageSize() {
	var xScroll, yScroll;
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = window.innerWidth + window.scrollMaxX;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		if(document.documentElement.clientWidth){
			windowWidth = document.documentElement.clientWidth; 
		} else {
			windowWidth = self.innerWidth;
		}
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}
	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = xScroll;		
	} else {
		pageWidth = windowWidth;
	}
	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);
	return arrayPageSize;

};
/**
 / THIRD FUNCTION
 * getPageScroll() by quirksmode.com
 *
 * @return Array Return an array with x,y page scroll values.
 */
function ___getPageScroll() {
	var xScroll, yScroll;
	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
		xScroll = self.pageXOffset;
	} else if (document.documentElement && document.documentElement.scrollTop) {	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
		xScroll = document.documentElement.scrollLeft;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
		xScroll = document.body.scrollLeft;	
	}
	arrayPageScroll = new Array(xScroll,yScroll);
	return arrayPageScroll;
};