/*! NZC Cricket Archive i-frame support v1 <http://nvinteractive.co.nz>
	Copyright (c) NV Interactive
	
	References:
		jquery-1.2.6.js
		
*/


nv_iframe = function(){
	
	var BUFFER = 60;
	var DOMAIN = document.location.protocol + "//" + document.location.host;
	var CSS_PATH = DOMAIN + "/_resx/css/layout/archive/archive_frame.css";
	var BULLET_PATH = DOMAIN + "/images/archive/bullet.gif";
	
	var setup = function(){
		$("iframe")
			.load(iframe_ready)
			.hide()
			.after("<div id='loading_indicator'></div>");

	}
	
	var iframe_ready = function(){

		$(this)
			.show()
			.bind("resize", frame_resize);
		
		//Hide the ajax style loading indicator
		$("#loading_indicator").hide();
		
		var frame_content = $(this).contents().find("body");
		
		//Modify frame html
		$("a", frame_content)
			.filter("[target='_blank']").each(add_external).end()
			.filter("[target!='_blank']").click(frame_click); //Capture link clicks, hide the iframe to avoid css jumps
		
		$("img[src$='cricketball.gif']", frame_content).attr("src", BULLET_PATH);
			
		//Add a link to our css
		frame_content.append('<link rel="stylesheet" type="text/css" media="screen" href="' + CSS_PATH + '" />');
		
		//Size the iframe to match content
		var frame_height = frame_content.height() + BUFFER;
		$(this).height(frame_height);
		
		//Convert the footer
		$("font:last", frame_content).attr("id", "footer");
		$("center", frame_content).addClass("center");

	}
	
	var add_external = function(){
		$(this).addClass("external_link");
		this.innerHTML = this.innerHTML + "&nbsp;<span class='external_link'></span>";
	}
	
	var frame_resize = function(){
		var frame_height = $(this).contents().find("body").height() + BUFFER;
		$(this).height(frame_height);
	}
	
	var frame_click = function(){
		$("#loading_indicator").show();
		$("iframe").hide();
	}
	
	return {
	/* Public API
	*/
	setup: setup
	}
		
}();


$(document).ready(nv_iframe.setup);

function setDomain() {
    var domain = window.document.domain;
    var bits = domain.toLowerCase().split(".");
    if (bits.length > 0 && (bits[0] == "www" || bits[0] == "archive" || bits[0] == "staging" || bits[0] == "video")) {
        window.document.domain = domain.substr(bits[0].length + 1, domain.length - bits[0].length - 1);
    }
}

setDomain();