$(document).ready(function(){
	$("div#image-container").css('background','none');
	resize_image();
});

$(window).resize(function(){
	resize_image();
});

function resize_image(){
	var img_width = $("div#image-container img").attr('width');
	var img_height = $("div#image-container img").attr('height');
	
	if(img_width == 0){
		var temp = $("div#image-container img").css('width');
		img_width = temp.substring(0, temp.length - 2);
	}
	if(img_height == 0){
		var temp = $("div#image-container img").css('height');
		img_height = temp.substring(0, temp.length - 2);
	}
	
	var img_ratio = img_width/img_height;
	
	//var doc_width = $(document).width();
	//var doc_height = $(document).height();
	
	var doc_width = $(window).width();
	var doc_height = $(window).height();
	
	$("div#image-container").css({"position":"fixed","height":"" + doc_height + "px","width":"" + doc_width + "px"});
	
	if((doc_width/doc_height) > img_ratio){
		doc_height = doc_width / img_ratio;
	}
	else{
	    doc_width = doc_height * img_ratio;
	}
	
	$("div#image-container img").css({"display":"block","height":"" + doc_height + "px","width":"" + doc_width + "px","margin-left":-(doc_width / 2) + "px","margin-top":-(doc_height / 2) + "px"});
}