// JavaScript Document// JavaScript Document

var iw=0,ih=0;

function setSImage()
{
	if((iw == 0)&&(ih == 0))
	{
		setTimeout('setSImage()', 100);
		getImageSize();
		return;
	}
	if(iw < 980) { getImageSize(); setTimeout('setSImage()', 100); return; }
	
	ww = jQuery(window).width();
	wh = jQuery(window).height();
	
	wh = wh - jQuery('.head_c').height() - jQuery('.footer_c').height();
	
	//jQuery('#main_c').css('height', wh).css('height', wh);
	jQuery('#main_c').css('height', wh).css('height', ih);
	jQuery('.slider').css('position', 'absolute').css('top', '0px').css('left', Math.floor((ww-iw) / 2) );
}

function getImageSize()
{
	iw = jQuery('.slider img:first').width();
	ih = jQuery('.slider > img:first').height();
}

jQuery(document).ready(function()
{
	if(jQuery('#main_c').hasClass('start'))
	{
		//setTimeout('getImageSize()', 1000);
		jQuery('.slider img:first').load(function () { getImageSize(); } );
		jQuery(window).resize(function(){ setSImage(); });
		setSImage();
		setInterval('slide()', 5000);
	}
});

var current, next;
function slide()
{
	current = jQuery('.slider > img.selected');
	next = jQuery('.slider > img.selected').next();
	if(next.length == 0)
	{
		next = jQuery('.slider > img:first');
	}
	
	next.css('opacity', 0).addClass('selected');
	current.css('opacity', 1);
	current.animate({'opacity': 0}, 'slow', function(){ current.removeClass('selected'); });
	next.animate({'opacity':1}, 'slow', function(){ next.addClass('selected');});
}