$(document).ready(function(){

	$(window).load(function(){

		$('#index_load_flash').hide();
		var flashvars = {};
		var params = {};
		params.wmode = "transparent";
		var attributes = {};
		swfobject.embedSWF("i/slideshow.swf", "mainFlash", "1920", "1200", "9.0.0", "expressInstall.swf",flashvars,params,attributes);
		
		if ($('#mainFlash img').size()==0) {
			$bg_img = $('#mainFlash');
		} else {
			$bg_img = $('#bg_image img');
		}

		var p1 = $('#main').width()/$('#main').height();
		var p2 = $bg_img.width()/$bg_img.height();
		
		if (p1<p2) {
			if ($('#main').height()>500) {
				var $img_width = Math.floor($bg_img.width()*$('#main').height()/$bg_img.height());
				$bg_img.height($('#main').height());
			} else {
				var $img_width = Math.floor($bg_img.width()*500/$bg_img.height());
				$bg_img.height(500);
			}
			$bg_img.width($img_width);
		} else {
			var $img_height = Math.floor($bg_img.height()*$('#main').width()/$bg_img.width());
			$bg_img.width($('#main').width());
			$bg_img.height($img_height);
		}

    });
    
    $(window).resize(function()
    {
	
		if ($('#main').hasClass('index_page')) {
			$bg_img = $('#mainFlash');
		} else {
			$bg_img = $('#bg_image img');
		}
	
		var p1 = $('#main').width()/$('#main').height();
		var p2 = $bg_img.width()/$bg_img.height();
		
		if (p1<p2) {
			if ($('#main').height()>500) {
				var $img_width = Math.floor($bg_img.width()*$('#main').height()/$bg_img.height());
				$bg_img.height($('#main').height());
			} else {
				var $img_width = Math.floor($bg_img.width()*500/$bg_img.height());
				$bg_img.height(500);
			}
			$bg_img.width($img_width);
		} else {
			var $img_height = Math.floor($bg_img.height()*$('#main').width()/$bg_img.width());
			$bg_img.width($('#main').width());
			$bg_img.height($img_height);
		}

    });

});