// General Functions

function ExecAjax(url,parameters,func_create,func_success,func_complete,func_error,async,method,timeout){

	var rand = Math.round(Math.random() * 99999);

	parameters=rand+"&"+parameters;

	

	if(async!=true){async=false;}else{async=true;}

	if(!method){method="POST";}

	if(!timeout){timeout=60;}

	var result = new String();

	var objetoAjax = new Ajax.Request(

		url,

		{

			method: method, 

			requestTimeout: timeout,

			encoding: 'UTF-8',

			parameters: parameters, 

			onCreate : function(){if(func_create) eval(func_create);},

			onSuccess : function(){if(func_success) eval(func_success);},

			onComplete: function(transport){

				//alert("Ajax Result: "+transport.responseText);

				eval(func_complete);

			},

			onFailure:  function(){

				if(func_error==null){

					alert("Error: Action has not been executed correctly.");

				} else {

					eval(func_error);

				}

			},

			asynchronous : async

		});

	return result;

}



function OpenLayer(div_id){

	$(div_id).show();

	

}

function CloseLayer(div_id){

	$(div_id).hide();

}



function FavAddVideo(video_id,update){

	ExecAjax("actions/fav_status.php","video_id="+video_id+"&status=1","","","EvalFavStatus(transport.responseText,'"+video_id+"',1);","",true,"POST",60);

}



function FavRemoveVideo(video_id,update){

	ExecAjax("actions/fav_status.php","video_id="+video_id+"&status=0","","","EvalFavStatus(transport.responseText,'"+video_id+"',0);","",true,"POST",60);

}



function EvalFavStatus(response,video_id,status){

	var aResponse=response.evalJSON()

	if(aResponse.success==true){

		if(status==1){

			if($('favstar_off_'+video_id)) $('favstar_off_'+video_id).hide();

			if($('favstar_on_'+video_id)) $('favstar_on_'+video_id).show();

		} else {

			if($('favstar_on_'+video_id)) $('favstar_on_'+video_id).hide();

			if($('favstar_off_'+video_id)) $('favstar_off_'+video_id).show();

		}		

	} else {

		alert(aResponse.message);

	}	

}



function SwitchTab(group,tab){

	var regexp=new RegExp("^"+group+"_");

	$$('.tab_info').each(function(element){

		if(regexp.test(element.id)){

			element.removeClassName('tab_upload');

		}

	});

	$(group+'_'+tab).addClassName('tab_upload');

}



function HideByClassName(classname){

	var aElements=$$(classname);

	aElements.each(function(element){

		element.hide();

	});

}



function ShowByClassName(classname){

	var aElements=$$(classname);

	aElements.each(function(element){

		element.show();

	});

}



function readCookie(name) {

	var nameEQ = name + "=";

	var ca = document.cookie.split(';');

	for(var i=0;i < ca.length;i++) {

		var c = ca[i];

		while (c.charAt(0)==' ') c = c.substring(1,c.length);

		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);

	}

	return null;

}





function UserLogin(){

	$('login_error_msg').hide();

	var user=$('login_form').user_login.value;

	var pass=$('login_form').pass_login.value;

	if(!user){

		$('login_error_msg').innerHTML=aLabels['username_required'];

		$('login_error_msg').show();

	} else if(!pass){

		$('login_error_msg').innerHTML=aLabels['password_required'];

		$('login_error_msg').show();

	} else {

		ExecAjax("actions/login.php","user="+user+"&pass="+pass,"","","EvalUserLogin(transport.responseText);","",true,"POST",60);

	}

}



function EvalUserLogin(response){

	var aResponse=response.evalJSON()

	if(aResponse.success==true){

		window.location.reload();

	} else{

		$('login_error_msg').innerHTML=aResponse.message;

		$('login_error_msg').show();

	}	

}



function SendRecoverEmail(email){

	$('forgot_error_msg').hide();

	$('forgot_success_msg').hide();

	if(!email){

		$('forgot_error_msg').innerHTML=aLabels['email_required'];

		$('forgot_error_msg').show();

	} else {

		ExecAjax("actions/recover_password.php","email="+email,"","","EvalRecoverEmail(transport.responseText);","",true,"POST",60);

	}

}



function EvalRecoverEmail(response){

	var aResponse=response.evalJSON()

	if(aResponse.success==true){

		$('forgot_success_msg').innerHTML=aResponse.message;

		$('forgot_success_msg').show();

		$('user_email').value='';

	} else{

		$('forgot_error_msg').innerHTML=aResponse.message;

		$('forgot_error_msg').show();

	}		

}



function UserRegister(f){

	$('register_error_msg').hide();

	$('register_success_msg').hide();

	var f=$('register_form');

	

	var user=f.user.value;

	var pass=f.pass.value;

	var email=f.email.value;

	

	if(!user){

		$('register_error_msg').innerHTML=aLabels['username_required'];

		$('register_error_msg').show();

	} else if(!pass){

		$('register_error_msg').innerHTML=aLabels['password_required'];

		$('register_error_msg').show();

	} else if(!email){

		$('register_error_msg').innerHTML=aLabels['email_required'];

		$('register_error_msg').show();

	} else if(!email.match(/\b[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}\b/)){

		$('register_error_msg').innerHTML=aLabels['email_missmatch'];

		$('register_error_msg').show();

	} else {

		ExecAjax("actions/register.php","user="+user+"&pass="+pass+"&email="+email,"","","EvalUserRegister(transport.responseText);","",true,"POST",60);

	}

}



function EvalUserRegister(response){

	var aResponse=response.evalJSON()

	if(aResponse.success==true){

		$('register_error_msg').hide();

		$('register_success_msg').show();

	} else {

		$('register_success_msg').hide();

		$('register_error_msg').innerHTML=aResponse.message;

		$('register_error_msg').show();

	}

}



function loadModule(module,vars,div_id,aditional_functions) {

	if(!aditional_functions) aditional_functions="";

	ExecAjax("index.php?module="+module,"onlymod=1&"+vars,"","","$('"+div_id+"').innerHTML=transport.responseText; "+aditional_functions,"",true);

}



function DisbleUploadButton(){

	$('upload_button').hide();

	$('upload_button_disabled').show();

	$('upload_loading').show();	

}



function EnableUploadButton(){

	$('upload_button_disabled').hide();

	$('upload_button').show();

	$('upload_loading').hide();	

}



function EvalVideoUpload(){

	EnableUploadButton();

	$('upload_form').reset();

	$('upload_success').show();

}



/* File Input stylizer functions */

if (!window.SI) { var SI = {}; };

SI.Files =

{

	htmlClass : 'SI-FILES-STYLIZED',

	fileClass : 'file',

	wrapClass : 'cabinet',

	

	fini : false,

	able : false,

	init : function()

	{

		this.fini = true;

		

		var ie = 0 //@cc_on + @_jscript_version

		if (window.opera || (ie && ie < 5.5) || !document.getElementsByTagName) { return; } // no support for opacity or the DOM

		this.able = true;

		

		var html = document.getElementsByTagName('html')[0];

		html.className += (html.className != '' ? ' ' : '') + this.htmlClass;

	},

	

	stylize : function(elem)

	{

		if (!this.fini) { this.init(); };

		if (!this.able) { return; };

		

		elem.parentNode.file = elem;

		elem.parentNode.onmousemove = function(e)

		{

			if (typeof e == 'undefined') e = window.event;

			if (typeof e.pageY == 'undefined' &&  typeof e.clientX == 'number' && document.documentElement)

			{

				e.pageX = e.clientX + document.documentElement.scrollLeft;

				e.pageY = e.clientY + document.documentElement.scrollTop;

			};



			var ox = oy = 0;

			var elem = this;

			if (elem.offsetParent)

			{

				ox = elem.offsetLeft;

				oy = elem.offsetTop;

				while (elem = elem.offsetParent)

				{

					ox += elem.offsetLeft;

					oy += elem.offsetTop;

				};

			};



			var x = e.pageX - ox;

			var y = e.pageY - oy;

			var w = this.file.offsetWidth;

			var h = this.file.offsetHeight;



			this.file.style.top		= y - (h / 2)  + 'px';

			this.file.style.left	= x - (w - 30) + 'px';

		};

	},

	

	stylizeById : function(id)

	{

		this.stylize(document.getElementById(id));

	},

	

	stylizeAll : function()

	{

		if (!this.fini) { this.init(); };

		if (!this.able) { return; };

		

		var inputs = document.getElementsByTagName('input');

		for (var i = 0; i < inputs.length; i++)

		{

			var input = inputs[i];

			if (input.type == 'file' && input.className.indexOf(this.fileClass) != -1 && input.parentNode.className.indexOf(this.wrapClass) != -1)

			{

				this.stylize(input);

			};

		};

	}

};

SI.Files.stylizeAll();





// Thumbs rotation functions

// -------------------------

var thumbs_cache=[];

var thumb_interval='';

var thumb_index=0;

var hover=[];

var ajax_running=0;





function StartThumbRotation(thumb_id,video_id){

	StopThumbRotation(thumb_id,video_id);

	hover[video_id]=1;

	thumb_index=0;

	if(ajax_running==0){

		if(!thumbs_cache[video_id]){

			ajax_running=1;

			thumbs_cache[video_id]="";

			ExecAjax("actions/video/get_thumbs_list.php","video_id="+video_id,"","","ExecThumbRotation('"+thumb_id+"','"+video_id+"',transport.responseText);","",true,"POST");

		} else {

			ExecThumbRotation(thumb_id,video_id,'{"success":true,"thumbs":'+thumbs_cache[video_id].toJSON()+'}');

		}

	}

}



function ExecThumbRotation(thumb_id,video_id,response){

	oResponse=response.evalJSON();

	ajax_running=0;

	if(oResponse.success==true){

		thumbs_cache[video_id]=oResponse.thumbs;

		

		if(hover[video_id]==1){

			var pics=[];

			for(i=0;i<oResponse.thumbs.length;i++){

				pics[i]= new Image(164,124);

		     	pics[i].src=oResponse.thumbs[i];

			}

			thumb_interval=setInterval("NextThumb('"+thumb_id+"','"+video_id+"');",500);

		} else {

			StopThumbRotation(thumb_id,video_id);	

		}

	} else {

		thumbs_cache[video_id]='{"success":false}';

	}

}



function NextThumb(thumb_id,video_id){

	if(hover[video_id]==1 && ajax_running==0 && thumbs_cache[video_id]){

		var t=thumbs_cache[video_id];

		

		if(thumb_index>=t.length-1 || thumb_index==-1){

			thumb_index=0;

		} else {

			thumb_index++;

		}	

		if(t[thumb_index] && $(thumb_id)) $(thumb_id).src=t[thumb_index];

	}

}



function StopThumbRotation(thumb_id,video_id){

	clearInterval(thumb_interval);

	thumb_index=-1;

	NextThumb(thumb_id,video_id);

	hover[video_id]=0;

}



function ValidateUpload(){

	$('upload_success').hide();

	DisbleUploadButton();

	var f=$('upload_form');

	if(f.upload_title.value && f.upload_description.value && f.upload_tags.value && f.upload_file.value && f.upload_categories.getValue().length>0){

		$('upload_form').submit();

	} else {

		EnableUploadButton();

		alert(aLabels['all_fields_required']);

		return false;

	}

}