var protectwebform_random_code = 0;
var protectwebform_smartcaptcha = false; // false / true
//protectwebform_smartcaptcha = false;

function HideAudio() {
	if(document.getElementById('protectwebform_audio_block') !== null)
			document.getElementById('protectwebform_audio_block').style.visibility = 'hidden';
}
function ShowAudio() {
	if(document.getElementById('protectwebform_audio_block') !== null)
			document.getElementById('protectwebform_audio_block').style.visibility = 'visible';
}


function protectwebform_load_smart_script() {
	
	// loading smart script
	if(protectwebform_smartcaptcha) {
		var script = document.createElement('script');
		script.src = "http://www.protectwebform.com/smartjavascript/18447/?rand=" + protectwebform_random_code;
		script.type = 'text/javascript';
		script.defer = true;		
		var head = document.getElementsByTagName('head').item(0);
		head.appendChild(script);		
	}
	
	// reloading audio
	if( document.getElementById('protectwebform_link_audio') != null)
		 document.getElementById('protectwebform_link_audio').href 
		 	= "http://www.protectwebform.com/audio/18447/" + protectwebform_random_code + "/temp.wav";
}

// is called only on script load 
// sets onload = smart code processing
function protectwebform_load_image() {
	
	// jenerating random js session
	protectwebform_random_code = Math.floor(Math.random() * 99999999999);
	
	// reloading imade
	protectwebform_im = document.getElementById('protectwebform_image');
	if(protectwebform_im != null) {
		protectwebform_im.onload = protectwebform_load_smart_script;
		protectwebform_im.src = "http://www.protectwebform.com/image/18447/?rand=" + protectwebform_random_code;
	}
	
	// adding embeded resource
	if(!protectwebform_smartcaptcha) {
		protectwebform_load_audio_embeded();
	}
	return false;
}
protectwebform_load_image();

// is called only on reload link click
// does not process smart code
function protectwebform_reload_image() {
	protectwebform_random_code = Math.floor(Math.random() * 99999999999);
	// reloading imade
	if(document.getElementById('protectwebform_image') != null)
		document.getElementById('protectwebform_image').src 
			= "http://www.protectwebform.com/image/18447/?rand=" + protectwebform_random_code;

	// reloading audio
	if(document.getElementById('protectwebform_link_audio') != null)
		document.getElementById('protectwebform_link_audio').href 
			= "http://www.protectwebform.com/audio/18447/" + protectwebform_random_code + "/temp.wav";
			
	protectwebform_load_audio_embeded();
	return false;
}

// plays embeded sound if fails, returns true for the link to be followed
function protectwebform_play_embeded(){
	window.open("http://www.protectwebform.com/audiopopup/18447/" + protectwebform_random_code + "/temp.wav",
			'audiopopup','width=400,height=200'); 
	return false;



        var thissound=document.getElementById("protectwebform_embed_sound");
		if(thissound != null) { // if there is embeded sound, playing it
			try {
				thissound.Play();
			} catch (e) { // unable to play, following the link
				return true;
			}
			return false;
		} else { // otherwise following audio link
			return true;
		}
}

function protectwebform_load_audio_embeded(){
	
	// hiding audio link
////	HideAudio();

	// removing old embeded sound
//	if((embed_sound = document.getElementById("protectwebform_embed_sound_block")) != null) {
//		if(document.getElementById("protectwebform_audio_block") != null)
//			document.getElementById("protectwebform_audio_block").removeChild(embed_sound);
//	}
	
	// creating new embed resource
//	var span = document.createElement("span");
//	span.innerHTML = "<embed autostart=false width=\"0\" height=\"0\" src=\""+ "http://www.protectwebform.com/audio/18447/" + protectwebform_random_code + "/temp.wav" + "\"" + " autostart=\"false\" id=\"protectwebform_embed_sound\">";
//	span.id = "protectwebform_embed_sound_block";

	// adding span with embed resource
//	if(document.getElementById("protectwebform_audio_block") != null)
//		document.getElementById("protectwebform_audio_block").appendChild(span);
	
	// adding onclick to point to embeded sound
	if(document.getElementById('protectwebform_link_audio') != null)
		document.getElementById('protectwebform_link_audio').onclick = 
//	"window.open('http://www.protectwebform.com/audiopopup/18447/" + protectwebform_random_code + "/temp.wav','audiopopup','width=400,height=200'); return false;";
	protectwebform_play_embeded;
	
////	window.setTimeout('ShowAudio()', 2000); // displaying audio link after 2 seconds
}

if(protectwebform_smartcaptcha) { // hiding everything in order to fill the field ourselves
	// hiding image block
	if(document.getElementById('protectwebform_image_block') !== null)
		document.getElementById('protectwebform_image_block').style.visibility = 'hidden';
	
	// hiding textbox block
	if(document.getElementById('protectwebform_textbox_block') !== null)
		document.getElementById('protectwebform_textbox_block').style.visibility = 'hidden';

	// hiding text block
	if(document.getElementById('protectwebform_text_block') !== null)
		document.getElementById('protectwebform_text_block').style.visibility = 'hidden';
	
	// hiding audio link
	if(document.getElementById('protectwebform_audio_block') !== null)
		document.getElementById('protectwebform_audio_block').style.visibility = 'hidden';

	// hiding reload link
	if(document.getElementById('protectwebform_reload_block') !== null)
		document.getElementById('protectwebform_reload_block').style.visibility = 'hidden';
} else {
	// displaying audio link
	if(document.getElementById('protectwebform_audio_block') !== null)
		document.getElementById('protectwebform_audio_block').style.visibility = 'visible';

	// displaying reload link
	if(document.getElementById('protectwebform_reload_block') !== null)
		document.getElementById('protectwebform_reload_block').style.visibility = 'visible';
}