function confDelete(){
conferma = confirm("Clicca ok per cancellare i messaggi selezionati");
if( conferma == true ){
	document.forms[0].submit();
}
}

function delete_confirm( id ){
conferma = confirm( "Clicca ok per cancellare l'opera" );
if( conferma == true ){
	window.location = "http://www.youart.org/index.php?m=delete&opera=" + id;
}	
}

function normal_form(){
$('yt_title').innerHTML = 'File:' ;
$('yt_content').innerHTML = '<input name="file" class="formupfile" type="file"/>' ;

}

function youtube_form(){
$('yt_title').innerHTML = 'Youtube url:' ;
$('yt_content').innerHTML = '<input name="file" class="formup" type="text" />' ;

}
function confup(){
	var error="";
	if(document.forms[0].titolo.value.length < 2){
		error+="<font color='red'>Titolo troppo corto</font><br />\n";
	}
	if(document.forms[0].commento.value.length < 2){
	        error+="<font color='red'>Commento troppo corto</font><br />\n";
	}
	if(document.forms[0].file.value.length < 1){
	        error+="<font color='red'>Inserire un file</font><br />\n";
	}
	if(error.length != 0){
	        document.getElementById('errormessage').innerHTML = error + "<br />";
	} else {
		document.forms[0].submit();
	}
}
function conf_lost(){
	var error="";
	if(document.forms[1].nuova_password.value.length < 5){
		error+="<font color='red'>Password troppo corta</font> <br />\n";
	}
	if(error.length != 0){
        document.getElementById('errormessage').innerHTML = error  + "<br />";
    } else {
        document.forms[1].submit();
    }
}
function conferma(){
	var error="";
	var site_reg_exp = /(http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/;
	var email_reg_exp = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/;
	var nick_reg_exp = /^([a-zA-Z0-9_\.\-])+$/;

	if( !document.forms[1].condizioni.checked ||  !document.forms[1].condiziona.checked ){
		error+="<font color='red'>Accettare le condizioni per proseguire</font><br />\n";
	}
	if(!nick_reg_exp.test(document.forms[1].nick.value)){
		error+="<font color='red'>Caratteri non validi nel nickname. Validi: ( a-z, A-Z, -, _, 0-9 )</font><br />\n";
	}
	if(document.forms[1].nick.value.length < 5) {
		error+="<font color='red'>Nickname troppo corto</font><br />\n";
	}
	if((document.forms[1].website.value.length > 0) && !site_reg_exp.test(document.forms[1].website.value)){
		error+="<font color='red'>Sito web non valido, formato richiesto: http://www.site.com/</font><br />\n";
	}
	if(document.forms[1].password.value.length < 5){
		error+="<font color='red'>Password troppo corta</font> <br />\n";
	}
	if(document.forms[1].password.value != document.forms[1].password2.value){
		error+="<font color='red'>Le password non coincidono</font> <br /> \n";
	}
	if(document.forms[1].email.value != document.forms[1].email2.value){
		error+="<font color='red'>Le email non coincidono</font> <br />\n";
	}
	if(!email_reg_exp.test(document.forms[1].email.value) ){
		error+="<font color='red'>Email non valida</font> <br />\n"
	}
	if(error.length != 0){
		document.getElementById('errormessage').innerHTML = error  + "<br />";
	} else {
		document.forms[1].submit();
	}
	
}
function confermaedit(){
        var error="";
		if(document.forms[0].password.value.length > 1 && document.forms[0].password.value.length < 6){
        	error+="<font color='red'>Password troppo corta</font> <br />\n";
    	}
        var email_reg_exp = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/;
        if(document.forms[0].password.value != document.forms[0].password2.value){
                error+="<font color='red'>Le password non coincidono</font> <br /> \n";
        }
        if(document.forms[0].email.value != document.forms[0].email2.value){
                error+="<font color='red'>Le email non coincidono </font><br />\n";
        }
        if(!email_reg_exp.test(document.forms[0].email.value) ){
                error+="<font color='red'>Email non valida </font><br />\n"
        }
        if(error.length != 0){
                document.getElementById('errormessage').innerHTML = error + "<br />";
        } else {
                document.forms[0].submit();
        }

}