/*!
 * Responsive Images: Mobile-First images that scale responsively and responsibly
 * Copyright 2011, Scott Jehl, Filament Group, Inc
 * Dual licensed under the MIT or GPL Version 2 licenses.
*/
(function( win ){
	//defaults / mixins
	var	rwdi			= win.rwd_images || {},
		winWidth		= (rwdi.widthBreakRule) ? window.innerWidth : win.screen.availWidth; /* TJT */
		widthBreakPoint	= rwdi.widthBreakPoint || 480,
		htmlClass		= "rwd-imgs-lrg",
		//wideload		= win.screen.availWidth > widthBreakPoint,
		wideload		= winWidth > widthBreakPoint, /* TJT */
		filePath		= location.href,
		dirPath			= filePath.substring( 0, filePath.lastIndexOf( "/" ) ) + "/",
		doc				= win.document,
		head			= doc.getElementsByTagName( "head" )[0],

		//record width cookie for subsequent loads
		date			= new Date();
		date.setTime(date.getTime()+(5/*5 sec*/*1000));
		doc.cookie = "rwd-resolution=" + screen.width + ";expires=" + date.toGMTString() +"; path=/";

		//if wideload is false quit now
		if( !wideload ){
			return;
		}

		//add HTML class
		doc.documentElement.className += " " + htmlClass;
		
	    //find and replace img elements
		findrepsrc		= function(){
			for( var i = 0, imgs = doc.getElementsByTagName( "img" ), il = imgs.length; i < il; i++){
				var img		= imgs[i],
					src		= img.getAttribute( "src" ),
					full	= src.match( /(\?|&)full=(.*)&?/ ) && RegExp.$2;

				if( full ){
					img.src = full;
				}
			}
		},

		//flag for whether loop has run already
	    complete		= false,

	    //remove base if present, find/rep image srcs if wide enough (maybe make this happen at domready?)
	    readyCallback	= function(){
	    	if( complete ){ return; }
	    	complete = true;
			findrepsrc();
	    };

	//DOM-ready or onload handler
	//W3C event model
	if ( doc.addEventListener ) {
		win.addEventListener( "load", readyCallback, false );
	}
	// If IE event model is used
	else if ( doc.attachEvent ) {
		win.attachEvent( "onload", readyCallback );
	}
})(this);