var f_cb_medrect1_served = false;
var f_need_cb = false;
var f_cb_medrect1_real = false;
var serverURL = "http://shadow01.yumenetworks.com";
var domain = "88ElOFHxAh";
var myintro = "introtext";
var amazon = "amazonad";
function yume_backfill_banner(banner_div_id, banner_frame_id, imu_type) {
	var rc=0;
	var cb_width = document.getElementById(banner_div_id).style.width;
	var cb_height = document.getElementById(banner_div_id).style.height;
	var y_c_frame = document.getElementById(banner_frame_id);
	var cb_w = cb_width.split("px", 1);
	var cb_h = cb_height.split("px", 1);
	var arg1 = serverURL + "/dynamic_banner_iframe.html?domain=" + domain + "&width="+cb_w+"&height="+cb_h+"&imu="+imu_type;
	try {
		y_c_frame.contentWindow.document.getElementsByTagName("body")[0].innerHTML = "<iframe src='"+arg1+"'height='"+cb_height+"'width='"+cb_width+"' frameborder='0' scrolling='no' marginheight='0' marginwidth='0' topmargin='0' leftmargin='0' style='overflow:hidden'></iframe>";
		rc = 1;
	} catch(e) {}
	return rc;
}
function show(x) {
document.getElementById(x).style.display='';
}
function hide(x) {
document.getElementById(x).style.display="none";
}
function yume_serve_cb_frame(banner_div_id, banner_frame_id, frame_src_url) {
	var rc=0;
	var cb_width = document.getElementById(banner_div_id).style.width;
	var cb_height = document.getElementById(banner_div_id).style.height;
	var y_c_frame = document.getElementById(banner_frame_id);
	show(banner_div_id);
	hide(myintro);
	show(amazon);
	try {
		y_c_frame.contentWindow.document.getElementsByTagName("body")[0].innerHTML = "<iframe src='"+frame_src_url+"'height='"+cb_height+"'width='"+cb_width+"' frameborder='0' scrolling='no' marginheight='0' marginwidth='0' topmargin='0' leftmargin='0' style='overflow:hidden'></iframe>";
		rc = 1;
	} catch(e) {}
	return rc;
}

function yume_serve_cb_image(banner_div_id, banner_frame_id, frame_img, frame_link, frame_trackers) {
	var rc=0;
	var cb_width = document.getElementById(banner_div_id).style.width;
	var cb_height =document.getElementById(banner_div_id).style.height;
	var y_c_frame = document.getElementById(banner_frame_id);
	try {
		var htmlString = "";
		if(frame_link != 'null'){
			htmlString = "<a href='"+frame_link+"' target='_blank'><img src='"+frame_img+"' border='0' width='"+cb_width+"' height='"+cb_height+"'></a>";
		}else{
			htmlString ="<img src='"+frame_img+"' border='0' width='"+cb_width+"' height='"+cb_height+"'>";
		}
		y_c_frame.contentWindow.document.getElementsByTagName("body")[0].innerHTML = htmlString;
		for (i=0; i<frame_trackers.length; i++){
			htmlString += "<img width='1' height='1' src='"+frame_trackers[i]+"' style='position:absolute;'></img>";
		}
		y_c_frame.contentWindow.document.getElementsByTagName("body")[0].innerHTML = htmlString;
		rc = 1;
	} catch(e) {}
	return rc;
}

function yume_serve_cb_swf(banner_div_id, banner_frame_id, frame_img, frame_link, frame_trackers) {
	var rc=0;
	var cb_width = document.getElementById(banner_div_id).style.width;
	var cb_height =document.getElementById(banner_div_id).style.height;
	var y_c_frame = document.getElementById(banner_frame_id);
	try {
		var htmlString = "";
		if(frame_img.indexOf(".swf?", 0) > 0){
			htmlString = "<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0' width='"+cb_width+"' height='"+cb_height+"'> <param name='bgcolor' value='#E3F0EB' />  <param name='movie' value='"+frame_img+"'><param name='allowScriptAccess' value='always'> <param name='wmode' value='transparent'> <param name='quality' value='high'><embed src='"+frame_img+"' bgcolor='#E3F0EB' quality='high' wmode='transparent' allowScriptAccess='always' pluginspage='http://www.macromedia.com/go/getflashplayer' type='application/x-shockwave-flash' width='"+cb_width+"' height='"+cb_height+"'></embed></object>";
		}else{
			htmlString = "<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0' width='"+cb_width+"' height='"+cb_height+"'> <param name='bgcolor' value='#E3F0EB' />  <param name='movie' value='"+frame_img+"?clickTAG="+frame_link+"'><param name='allowScriptAccess' value='always'> <param name='wmode' value='transparent'> <param name='quality' value='high'><embed src='"+frame_img+"?clickTAG="+frame_link+"' bgcolor='#E3F0EB' quality='high' wmode='transparent' allowScriptAccess='always' pluginspage='http://www.macromedia.com/go/getflashplayer' type='application/x-shockwave-flash' width='"+cb_width+"' height='"+cb_height+"'></embed></object>";
		}
		for (i=0; i<frame_trackers.length; i++){
			htmlString += "<img width='1' height='1' src='"+frame_trackers[i]+"' style='position:absolute;'></img>";
		}
		y_c_frame.contentWindow.document.getElementsByTagName("body")[0].innerHTML = htmlString;
		rc = 1;
	} catch(e) {}
	return rc;
}

// return 1 if img_url is a SWF, 0 otherwise
function yume_img_is_swf(img_url) {
				var ix_getElement = img_url.indexOf("/getElement?", 0);
				var ix_extSWF = img_url.indexOf("ext=.swf", 0);
				var rc=0;

				if (ix_getElement > 0 && ix_extSWF > ix_getElement) {
								rc=1;
				}
				return rc;
}

/* Serve companion banner image through HTML container */
function delegate(that, thatMethod) {
	if (arguments.length>2) {
		var _params = [];
		for (var n = 2; n<arguments.length; ++n) {
			_params.push(arguments[n]);
		}
		return function () {
			try {
				return thatMethod.apply(that, _params);
			} catch (e) {}
		};
	} else {
		return function () {
			try {
				return thatMethod.apply(that);
			} catch (e) {}
		};
	}
}

function obj() { }

obj.prototype.serveImage = function (ref, banner_div_id, banner_frame_id, frame_img, frame_link, frame_trackers) {
	this.pic=new Image(); //x,y is optional
	this.pic.src= frame_img;

	try {
		if (window.addEventListener) {
			this.pic.addEventListener('onload',delegate(ref,yume_serve_cb_image(banner_div_id, banner_frame_id, frame_img, frame_link, frame_trackers)),false);
		} else if (window.attachEvent) {
			this.pic.attachEvent('onload',delegate(ref,yume_serve_cb_image(banner_div_id, banner_frame_id, frame_img, frame_link, frame_trackers)));
		}
	} catch (e) {}
}

function yume_flash_callback(command, arg1, arg2, arg3, arg4, arg5){
	if (command == 'companionbanner/iframe' || (command == 'companionbanner/image' && yume_img_is_swf(arg1)>0)) {
		//alert('companion: ' + arg1);
		if (arg3 == "cb1" || arg3 == "cb_medrect1") {
			if (yume_serve_cb_frame("cb_medrect1_div", "cb_medrect1_frame", arg1)>0) {
				f_cb_medrect1_served = true;
				f_cb_medrect1_real = true;
			}
		}
	} else if (command == 'companionbanner/image') {
		if (arg3=="cb1" || arg3=="cb_medrect1") {
			if (arg5 == "application/x-shockwave-flash"){
				if (yume_serve_cb_swf("cb_medrect1_div", "cb_medrect1_frame", arg1, arg2, arg4) > 0) {
					f_cb_medrect1_served = true;
					f_cb_medrect1_real = true;
				}
			}else {
				var cb_medrect1_image = new obj.prototype.serveImage(this, "cb_medrect1_div", "cb_medrect1_frame", arg1, arg2, arg4);
			}
		}
	} else if(command == "yume_leader_start" || command == "yume_preroll_start" || command == "yume_postroll_start" || command == "yume_midroll_start") {
		f_need_cb = true;
		if(command == "yume_leader_start"){
			f_cb_medrect1_real = false;
			f_cb_medrect1_served = false;
		}

	} else if(command == "yume_leader_end" || command == "yume_preroll_end" || command == "yume_postroll_end" || command == "yume_midroll_end") {
		f_need_cb = false;
	} else if (command == "yume_ad_end") {
		f_cb_medrect1_served = false;
	} else if ((command == "yume_ad_start" && f_need_cb == true) || (command == "yume_end" && arg1 == "0" && f_need_cb == true)) {
		//alert("check for backfill");
		if ((f_cb_medrect1_served == false) && (f_cb_medrect1_real == false)) {
			if (yume_backfill_banner("cb_medrect1_div", "cb_medrect1_frame", "medrect")>0) {
				f_cb_medrect1_served = true;
			}
		}
	}
}