var timeelapsed = 0 ;
var usid = "" ;
var finished = false ;
var uploadUpdater ;

function hd( sec ) { 
	var sec    = parseInt( sec ) ; 
	var minute = parseInt(sec / 60) ;
	var second = parseInt(sec - (minute * 60) ) ;
	var sminute = ( minute > 1 ) ? ' minutos ' : ' minuto' ;
	var ssecond = ( second > 1 ) ? ' segundos ' : ' segundo' ;
	if( minute > 0 && second > 0 )
		return ( minute + sminute + ' e ' + second + ssecond ) ; 
	else if( minute > 0 && second == 0 )
		return ( minute + sminute ) ; 
	else
		return ( second + ssecond ) ; 
}

function floatfix( n ) {
	var s = n.toString() ; 
	if( s.length > 0 ) 
		return parseFloat( n ).toFixed(2).replace('.',',') ; 
	return '0,00' ; 
}

function fbr( s ) { 
	var s = s.toString() ; 
	var s = s.replace('.',',') ; 
	var r = s.split(',') ; 
	var j = 0 ; 
	var temp = '' ; 
	var result = '' ; 
	if( r[0] != 'undefined' ) sn = r[0] ; 
	for( i = sn.length-1 ; i >= 0 ; i-- ) { 
		j++ ;
		temp += sn.substr(i,1) ;
		if( j == 3 ) { temp += '.' ; $j = 0 ; }
	}
	for( i = temp.length-1 ; i >= 0 ; i-- ) 
		result += temp[i] ; 
	result = result + ',' + r[1];
	return result ;
}

function filetypeCheck(filename) {
	var fn = filename ; 
	if (fn == ""){
		document.getElementById("allowed").className ='';
		document.getElementById("upload").disabled = true;
	} else {
		var ext = fn.split(".");
		if (ext.length==1)
		ext = '.noext.';
		else
		ext = '.' + ext[ext.length-1].toLowerCase() + '.';
		if (NOT_ALLOWED_TYPES.indexOf(ext) == 0) {
			document.getElementById("allowed").className = 'alert';
			document.getElementById("allowed").style.display = 'block';
			document.getElementById("upload").disabled = true;
			return false ; 
		} else {
			document.getElementById("allowed").className = 'noalert';
			document.getElementById("allowed").style.display = 'none';
			document.getElementById("upload").disabled = false;
		}
	}
	return true ; 
}

function beginUpload(sid) {
	var timeelapsed = 0 ;
	
	if( !filetypeCheck(document.getElementById('file').value) ) {
		return false ; 
	}	
	usid = sid;
	var uform = document.getElementById('uploadform').getElementsByTagName('form')[0];
	var upb = document.getElementById('upload_pb');
	if (uform.file.value=="") return; // no file, no upload
	document.getElementById('upload_filename').innerHTML = uform.file.value;
	upb.style.height = uform.offsetHeight+"px";
	uform.style.display = 'none';
	upb.style.display = 'block';
	
	uform.action = UPLOAD_SCRIPT+'?sid='+sid+'&maxsize='+MAX_FILESIZE;
	uform.target = 'upload_iframe';
	uform.submit();
	
	uploadUpdater = new Ajax.PeriodicalUpdater({},'http://sharex.xpg.com.br/proc.php', {'frequency' : 1.0,
												  			    'method': 'post',
												  				'parameters': 'progress=' + sid,
												  				'onSuccess' : updateProgress,
												  				'onFailure' : updateProgress
												  				});
}

function updateProgress(req) {
	if (finished) return ;
	var pb = document.getElementById('upload_progress') ;
	var pi = document.getElementById('upload_info') ;
	var rt = req.responseText ; 
	var percent = 0 ;
	var current = 0 ; 
	var total = 0 ; 
	var duration = 0 ; 
	var brate = 0 ; 
	var rest = 0 ; 
	if( rt.length > 0 ) { 
		if( rt.indexOf('|') > 0 ) {
			var proc = rt.split('|') ; 
			var percent  = proc.length > 0 ? parseFloat(proc[0]).toFixed(2) : 0 ; 
			var current  = proc.length > 1 ? parseFloat(proc[1]).toFixed(2) : 0 ; 
			var total    = proc.length > 2 ? parseFloat(proc[2]).toFixed(2) : 0 ; 
			var duration = proc.length > 3 ? parseFloat(proc[3]).toFixed(2) : 0 ; 
			var brate    = proc.length > 4 ? parseFloat(proc[4]).toFixed(2) : 0 ; 
			var rest     = proc.length > 5 ? parseFloat(proc[5]).toFixed(2) : 0 ; 
		} else {
			var percent = parseFloat(rt).toFixed(2) ;
		}
	}
	if (isNaN(percent)) {
		finished = true;
		uploadUpdater.stop() ;
			
		if (req.responseText == "FINISHED") {
			pb.style.width = "100%" ;
			pb.innerHTML = "100%" ;
			return;
		}
		
		pb.style.width = 0 ;
		// -- redirect
		var form = document.createElement('form');
		form.method = 'post';
		var input = document.createElement('input');
		input.type = 'hidden';
		input.name = 'errormsg';
		input.value = escape(req.responseText);
		form.appendChild(input);
		document.body.appendChild(form);
		form.submit();
	} else {
		if(!percent) percent = 0;
		if(percent > 100 ) percent = 100;
		pb.style.width = '' + percent + '%' ;
		pb.innerHTML = '' + floatfix(percent) + '% ' ; 
		pitext = '<br>Restando: ' + hd(floatfix(rest)) + 
				 '<br>Recebidos ' + floatfix(current) + 'MB' + ' de ' + floatfix(total) + 'MB em ' + 
				 hd(floatfix(duration)) + ' (' + floatfix(brate) + 'kb/s)' ;
		pi.innerHTML = pitext ; 
	}
}

function is_email(s){
	var error = 0 ; var i = 1; var ilen = s.length;
	if ( ilen <= 8 ) error++;
    while ((i < ilen) && (s.charAt(i) != "@")) { i++ ; }
    if ((i >= ilen) || (s.charAt(i) != "@")) error++; else i += 2;
    while ((i < ilen) && (s.charAt(i) != ".")) { i++ ; }
    if ((i >= ilen - 1) || (s.charAt(i) != ".")) error++; 
	if ( error > 0 ) return false ;
	return true ;
}

function toggle(el) {
    var objDiv = document.getElementById(el) ;
	objDiv.style.display = (objDiv.style.display == "block") ? "none" : "block" ;
}

function gurl(url) { 
	location.href = url ; 
}

function curl(url,msg) { 
	if( window.confirm( msg ) ) location.href = url ; 
}