<?php 
if(!defined('_lib')) die("Error");
#
#	$id_connect : ket noi database
#
function get_id($sql)
{
	global $d ;$d->reset();
	
    $d->query($sql);
    $rs = $d->fetch_array();
	return $rs; 
}
function get_where($table,$name,$value)
{
	global $d ; $d->reset();
	
	$d->select();
	$d->setTable($table);
	$d->setWhere($name, $value);
	if($d->num_rows()>0)
	{
		$row = $d->fetch_array();
		return $row;
	}
	return '';
}
function phantrang($totalrow,$curpage,$pageto,$maxrow=5,$maxpage=3)
{
	$paging = "";
	if($totalrow % $maxrow == 0) {
		$totalpage = (int)($totalrow/$maxrow);
	} else {
		$totalpage = (int)($totalrow /$maxrow)+ 1;
	}
	if($totalrow > $maxrow ){
		$start = 1;
		$end   = 1;
		$navi  = "" ;
		
		//$list = "Page: ".$curpage ." in ".$totalpage ."&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;";
		$list = "" ;
		for($i=0;$i<=$totalpage;$i++){
			if(($i > ((int)(($curpage - 1)/$maxpage))*$maxpage)&&($i <= ((int)(($curpage -1)/$maxpage + 1))*$maxpage)){
				if($start ==1 )$start = $i ;
					if($i == $curpage){
						$navi .= "<strong>".$i ."</strong>";
					}else {
						$navi .= " <a href='".$pageto."/$i'>$i</a> ";
					}
					$end = $i ;
				}
			}
			//khai báo preview
			if($curpage > $maxpage){
				$preview = "<a href='".$pageto."/".($start - 1)."'>«</a>";
			}else{
				$preview = "<span>«</span>" ;
			}
			// khai báo next
			$i = ((int)(($curpage -1)/$maxpage + 1))*$maxpage;
			if($i < $totalpage){
			$next = "<a href='".$pageto."/".($end + 1)."'>»</a>";
			} else {
			$next = "<span>»</span>" ;
		}
		$paging .= $list . $preview . $navi .$next ;
	}
	return $paging ;
}
function get_id_from_alias($url, $exp='.html')
{
	$alias = str_replace($exp,"",$url);
	$id = end(explode('-',$alias)); 
	return $id;
}
function str_limit($str, $n = 300)
{
    if (strlen($str) <= $n)
    {
        return $str;
    }
    
	 $limit = strpos($str,' ', $n) ;
     while($limit==false&&$n>1)
     {    $n--;
         $limit = strpos($str,' ', $n) ;
     }
	 $limit = $limit ? $limit : $n ;
	 $out = substr($str, 0, $limit) ;
	 return $out.' ...' ;
}
function alias($str)
{
	$str = preg_replace("/(à|á|ạ|ả|ã|â|ầ|ấ|ậ|ẩ|ẫ|ă|ằ|ắ|ặ|ẳ|ẵ)/", 'a', $str);
	$str = preg_replace("/(è|é|ẹ|ẻ|ẽ|ê|ề|ế|ệ|ể|ễ)/", 'e', $str);
	$str = preg_replace("/(ì|í|ị|ỉ|ĩ)/", 'i', $str);
	$str = preg_replace("/(ò|ó|ọ|ỏ|õ|ô|ồ|ố|ộ|ổ|ỗ|ơ|ờ|ớ|ợ|ở|ỡ)/", 'o', $str);
	$str = preg_replace("/(ù|ú|ụ|ủ|ũ|ư|ừ|ứ|ự|ử|ữ)/", 'u', $str);
	$str = preg_replace("/(ỳ|ý|ỵ|ỷ|ỹ)/", 'y', $str);
	$str = preg_replace("/(đ)/", 'd', $str);
	$str = preg_replace("/(À|Á|Ạ|Ả|Ã|Â|Ầ|Ấ|Ậ|Ẩ|Ẫ|Ă|Ằ|Ắ|Ặ|Ẳ|Ẵ)/", 'A', $str);
	$str = preg_replace("/(È|É|Ẹ|Ẻ|Ẽ|Ê|Ề|Ế|Ệ|Ể|Ễ)/", 'E', $str);
	$str = preg_replace("/(Ì|Í|Ị|Ỉ|Ĩ)/", 'I', $str);
	$str = preg_replace("/(Ò|Ó|Ọ|Ỏ|Õ|Ô|Ồ|Ố|Ộ|Ổ|Ỗ|Ơ|Ờ|Ớ|Ợ|Ở|Ỡ)/", 'O', $str);
	$str = preg_replace("/(Ù|Ú|Ụ|Ủ|Ũ|Ư|Ừ|Ứ|Ự|Ử|Ữ)/", 'U', $str);
	$str = preg_replace("/(Ỳ|Ý|Ỵ|Ỷ|Ỹ)/", 'Y', $str);
	$str = preg_replace("/(Đ)/", 'D', $str);
	$str = preg_replace("/( )/", '-', $str);
	$str = preg_replace("/(\'|\"|`|&|,|\.|\?)/", '', $str);
	$str = preg_replace("/(---|--)/", '-', $str);
	
	$pattern = '/([^a-z0-9\-\._])/i';
	$str = preg_replace($pattern, '', $str);
	
	$str = strtolower($str);
	return $str;
}
function kodau($str)
{
	$str = preg_replace("/(à|á|ạ|ả|ã|â|ầ|ấ|ậ|ẩ|ẫ|ă|ằ|ắ|ặ|ẳ|ẵ)/", 'a', $str);
	$str = preg_replace("/(è|é|ẹ|ẻ|ẽ|ê|ề|ế|ệ|ể|ễ)/", 'e', $str);
	$str = preg_replace("/(ì|í|ị|ỉ|ĩ)/", 'i', $str);
	$str = preg_replace("/(ò|ó|ọ|ỏ|õ|ô|ồ|ố|ộ|ổ|ỗ|ơ|ờ|ớ|ợ|ở|ỡ)/", 'o', $str);
	$str = preg_replace("/(ù|ú|ụ|ủ|ũ|ư|ừ|ứ|ự|ử|ữ)/", 'u', $str);
	$str = preg_replace("/(ỳ|ý|ỵ|ỷ|ỹ)/", 'y', $str);
	$str = preg_replace("/(đ)/", 'd', $str);
	$str = preg_replace("/(À|Á|Ạ|Ả|Ã|Â|Ầ|Ấ|Ậ|Ẩ|Ẫ|Ă|Ằ|Ắ|Ặ|Ẳ|Ẵ)/", 'A', $str);
	$str = preg_replace("/(È|É|Ẹ|Ẻ|Ẽ|Ê|Ề|Ế|Ệ|Ể|Ễ)/", 'E', $str);
	$str = preg_replace("/(Ì|Í|Ị|Ỉ|Ĩ)/", 'I', $str);
	$str = preg_replace("/(Ò|Ó|Ọ|Ỏ|Õ|Ô|Ồ|Ố|Ộ|Ổ|Ỗ|Ơ|Ờ|Ớ|Ợ|Ở|Ỡ)/", 'O', $str);
	$str = preg_replace("/(Ù|Ú|Ụ|Ủ|Ũ|Ư|Ừ|Ứ|Ự|Ử|Ữ)/", 'U', $str);
	$str = preg_replace("/(Ỳ|Ý|Ỵ|Ỷ|Ỹ)/", 'Y', $str);
	$str = preg_replace("/(Đ)/", 'D', $str);
	$str = preg_replace("/( )/", '-', $str);
	$str = preg_replace("/(\'|\"|`|&|,|\.|\?)/", '', $str);
	$str = preg_replace("/(---|--)/", '-', $str);
	
	$pattern = '/([^a-z0-9\-\._])/i';
	$str = preg_replace($pattern, '', $str);
		
	$str = strtolower($str);
	return $str;
}

function magic_quote($str, $id_connect=false)	
{	
	if (is_array($str))
	{
		foreach($str as $key => $val)
		{
			$str[$key] = escape_str($val);
		}
		
		return $str;
	}
	
	if (is_numeric($str)) {
		return $str;
	}
	
	if(get_magic_quotes_gpc()){
		$str = stripslashes($str);
	}

	if (function_exists('mysql_real_escape_string') AND is_resource($id_connect))
	{
		return mysql_real_escape_string($str, $id_connect);
	}
	elseif (function_exists('mysql_escape_string'))
	{
		return mysql_escape_string($str);
	}
	else
	{
		return addslashes($str);
	}
}

function format_money($gia)
{
	if($gia>0){
		$str= number_format($gia,0,".",".")." VND";
		}else{$str ="Liên hệ" ;}
		return $str;
}

function format_money2($gia)
{
	if($gia>0){
		$str= number_format($gia,0,",",",")." đ";
		}else{$str ="Liên hệ" ;}
		return $str;
}

#
#	$id_connect : ket noi database
#
function escape_str($str, $id_connect=false)	
{	
	if (is_array($str))
	{
		foreach($str as $key => $val)
		{
			$str[$key] = escape_str($val);
		}
		
		return $str;
	}
	
	if (is_numeric($str)) {
		return $str;
	}
	
	if(get_magic_quotes_gpc()){
		$str = stripslashes($str);
	}

	if (function_exists('mysql_real_escape_string') AND is_resource($id_connect))
	{
		return "'".mysql_real_escape_string($str, $id_connect)."'";
	}
	elseif (function_exists('mysql_escape_string'))
	{
		return "'".mysql_escape_string($str)."'";
	}
	else
	{
		return "'".addslashes($str)."'";
	}
}

// dem so nguoi online //
/////////////////////////
function count_online(){
/*
CREATE TABLE `camranh_online` (
  `id` int(10) unsigned NOT NULL auto_increment,
  `session_id` varchar(255) NOT NULL,
  `time` int(10) unsigned NOT NULL,
  PRIMARY KEY  (`id`)
) ENGINE=MyISAM  DEFAULT CHARSET=utf8 ;
*/
	global $d;
	$time = 600; // 10 phut
	$ssid = session_id();

	// xoa het han
	$sql = "delete from #_online where time<".(time()-$time);
	$d->query($sql);
	//
	$sql = "select id,session_id from #_online order by id desc";
	$d->query($sql);
	$result['dangxem'] = $d->num_rows();
	$rows = $d->result_array();
	$i = 0;
	while(($rows[$i]['session_id'] != $ssid) && $i++<$result['dangxem']);
	
	if($i<$result['dangxem']){
		$sql = "update #_online set time='".time()."' where session_id='".$ssid."'";
		$d->query($sql);
		$result['daxem'] = $rows[0]['id'];
	}
	else{
		$sql = "insert into #_online (session_id, time) values ('".$ssid."', '".time()."')";
		$d->query($sql);
		$result['daxem'] = mysql_insert_id();
		$result['dangxem']++;
	}
	
	return $result; // array('dangxem'=>'', 'daxem'=>'')
}




function make_date($time,$dot='/',$lang='vi',$f=false){
	 date_default_timezone_set('Asia/Ho_Chi_Minh');
	
	$str = ($lang == 'vi') ? date("d{$dot}m{$dot}Y",$time) : date("m{$dot}d{$dot}Y",$time);
	if($f){
		$thu['vi'] = array('Chủ nhật','Thứ hai','Thứ ba','Thứ tư','Thứ năm','Thứ sáu','Thứ bảy');
		$thu['en'] = array('Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday');
		$str = $thu[$lang][date('w',$time)].', '.$str;
	}
	return $str;
}

function alert($s){
	echo '<script language="javascript"> alert("'.$s.'") </script>';
}

function delete_file($file){
		return @unlink($file);
}

function upload_image($file, $folder, $newname='')
{
	if(isset($_FILES[$file]))
	{
		$ext = file_extension($_FILES[$file]['name']); 
		$newname = $newname.".".$ext ;
		
		if (move_uploaded_file($_FILES[$file]["tmp_name"], $folder.$newname))
		{
			return $newname;
		}
		return false;
	}
	return false;
}

/*function file_extension($filename)
{
    $path_info = pathinfo($filename); 
    return $path_info['extension'];
}*/

function file_extension($file_name)
{
  return substr(strrchr($file_name,'.'),1);
}

function thumb_image($file, $width, $height, $folder){	

	if(!file_exists($folder.$file))	return false; // không tìm thấy file
	
	if ($cursize = getimagesize ($folder.$file)) {					
		$newsize = setWidthHeight($cursize[0], $cursize[1], $width, $height);
		$info = pathinfo($file);
		
		$dst = imagecreatetruecolor ($newsize[0],$newsize[1]);
		
		$types = array('jpg' => array('imagecreatefromjpeg', 'imagejpeg'),
					'gif' => array('imagecreatefromgif', 'imagegif'),
					'png' => array('imagecreatefrompng', 'imagepng'));
		$func = $types[$info['extension']][0];
		$src = $func($folder.$file); 
		imagecopyresampled($dst, $src, 0, 0, 0, 0,$newsize[0], $newsize[1],$cursize[0], $cursize[1]);
		$func = $types[$info['extension']][1];
		$new_file = str_replace('.'.$info['extension'],'_thumb.'.$info['extension'],$file);
		
		return $func($dst, $folder.$new_file) ? $new_file : false;
	}
}


function setWidthHeight($width, $height, $maxWidth, $maxHeight){
	$ret = array($width, $height);
	$ratio = $width / $height;
	if ($width > $maxWidth || $height > $maxHeight) {
		$ret[0] = $maxWidth;
		$ret[1] = $ret[0] / $ratio;
		if ($ret[1] > $maxHeight) {
			$ret[1] = $maxHeight;
			$ret[0] = $ret[1] * $ratio;
		}
	}
	return $ret;
}


function transfer($msg,$page="index.php")
{
	 $showtext = $msg;
	 $page_transfer = $page;
	 include("./templates/transfer_tpl.php");
	 exit();
}

function redirect($url=''){
	echo '<script language="javascript">window.location = "'.$url.'" </script>';
	exit();
}

function back($n=1){
	echo '<script language="javascript">history.go = "'.-intval($n).'" </script>';
	exit();
}

function chuanhoa($s){
	$s = str_replace("'", '&#039;', $s);
	$s = str_replace('"', '&quot;', $s);
	$s = str_replace('<', '&lt;', $s);
	$s = str_replace('>', '&gt;', $s);
	return $s;
}

function themdau($s){
	$s = addslashes($s);
	return $s;
}

function bodau($s){
	$s = stripslashes($s);
	return $s;
}

function dump($arr, $exit=1){
	echo "<pre>";	
		var_dump($arr);
	echo "<pre>";	
	if($exit)	exit();
}

function paging($r, $url='', $curPg=1, $mxR=5, $mxP=5, $class_paging='')
{
	if($curPg<1) $curPg=1;
	if($mxR<1) $mxR=5;
	if($mxP<1) $mxP=5;
	$totalRows=count($r);
	if($totalRows==0)	
		return array('source'=>NULL, 'paging'=>NULL);
	$totalPages=ceil($totalRows/$mxR);
	if($curPg > $totalPages) $curPg=$totalPages;
	
	$_SESSION['maxRow']=$mxR;
	$_SESSION['curPage']=$curPg;

	$r2=array();
	$paging="";
	
	//-------------tao array------------------
	$start=($curPg-1)*$mxR;
	$end=($start+$mxR)<$totalRows?($start+$mxR):$totalRows;
	#echo $start;
	#echo $end;
	
	$j=0;
	for($i=$start;$i<$end;$i++)
		$r2[$j++]=$r[$i];
		
	//-------------tao chuoi------------------
	$curRow = ($curPg-1)*$mxR+1;	
	if($totalRows>$mxR)
	{
		$start=1;
		$end=1;
		$paging1 ="";
		
		$id_cat = (int) isset($_REQUEST['id_cat']) ? $_REQUEST['id_cat'] : 0;
		$id_list = (int) isset($_REQUEST['id_list']) ? $_REQUEST['id_list'] : 0;
		$keyword = (int) isset($_REQUEST['keyword']) ? $_REQUEST['keyword'] : '';	
							 
		for($i=1;$i<=$totalPages;$i++)
		{	
			if(($i>((int)(($curPg-1)/$mxP))* $mxP) && ($i<=((int)(($curPg-1)/$mxP+1))* $mxP))
			{
				if($start==1) $start=$i;
				if($i==$curPg){
					$paging1.=" <span>".$i."</span> ";//dang xem
				} 		  	
				else    
				{
					$paging1 .= " <a href='".$url."&id_cat=".$id_cat."&id_list=".$id_list."&keyword=".$keyword."&curPage=".$i."'  class=\"{$class_paging}\">".$i."</a> ";	
				}
				$end=$i;	
			}
		}//tinh paging
		//$paging.= "Go to page :&nbsp;&nbsp;" ;
		#if($curPg>$mxP)
		#{
			$paging .=" <a href='".$url."&id_cat=".$id_cat."&id_list=".$id_list."&keyword=".$keyword."' class=\"{$class_paging}\" >&laquo;</a> "; //ve dau
			
			$paging .=" <a href='".$url."&id_cat=".$id_cat."&id_list=".$id_list."&keyword=".$keyword."&curPage=".($curPg-1)."' class=\"{$class_paging}\" >&#8249;</a> "; //ve truoc
		#}
		$paging.=$paging1; 
		#if(((int)(($curPg-1)/$mxP+1)*$mxP) < $totalPages)  
		#{
			#$paging .=" <a href='".$url."&curPage=".($end+1)."' class=\"{$class_paging}\" >&#8250;</a> "; //ke
			$paging .=" <a href='".$url."&id_cat=".$id_cat."&id_list=".$id_list."&keyword=".$keyword."&curPage=".($curPg+1)."' class=\"{$class_paging}\" >&#8250;</a> "; //ke
			
			$paging .=" <a href='".$url."&id_cat=".$id_cat."&id_list=".$id_list."&keyword=".$keyword."&curPage=".($totalPages)."' class=\"{$class_paging}\" >&raquo;</a> "; //ve cuoi
		#}
	}
	$r3['curPage']=$curPg;
	$r3['source']=$r2;
	$r3['paging']=$paging;
	#echo '<pre>';var_dump($r3);echo '</pre>';
	return $r3;
}
function paging_home($r, $url='', $curPg=1, $mxR=5, $mxP=5, $class_paging='')
{
	if($curPg<1) $curPg=1;
	if($mxR<1) $mxR=5;
	if($mxP<1) $mxP=5;
	$totalRows=count($r);
	if($totalRows==0)	
		return array('source'=>NULL, 'paging'=>NULL);
	$totalPages=ceil($totalRows/$mxR);
	if($curPg > $totalPages) $curPg=$totalPages;
	
	$_SESSION['maxRow']=$mxR;
	$_SESSION['curPage']=$curPg;

	$r2=array();
	$paging="";
	
	//-------------tao array------------------
	$start=($curPg-1)*$mxR;
	$end=($start+$mxR)<$totalRows?($start+$mxR):$totalRows;
	#echo $start;
	#echo $end;
	
	$j=0;
	for($i=$start;$i<$end;$i++)
		$r2[$j++]=$r[$i];
		
	//-------------tao chuoi------------------
	$curRow = ($curPg-1) * $mxR + 1;	
	if($totalRows>$mxR)
	{
		$start=1;
		$end=1;
		$paging1 ="";				 	 
		for($i=1;$i<=$totalPages;$i++)
		{	
			if(($i>((int)(($curPg-1)/$mxP))* $mxP) && ($i<=((int)(($curPg-1)/$mxP+1))* $mxP))
			{
				if($start==1) $start=$i;
				if($i==$curPg){
					$paging1.=" <span>".$i."</span> ";//dang xem
				} 		  	
				else    
				{
					$paging1 .= " <a href='".$url."&p=".$i."'  class=\"{$class_paging}\">".$i."</a> ";	
				}
				$end=$i;	
			}
		}//tinh paging
		//$paging.= "Go to page :&nbsp;&nbsp;" ;
		#if($curPg>$mxP)
		#{
			$paging .=" <a href='".$url."' class=\"{$class_paging}\" >&laquo;</a> "; //ve dau
			
			#$paging .=" <a href='".$url."&curPage=".($start-1)."' class=\"{$class_paging}\" >&#8249;</a> "; //ve truoc
			$paging .=" <a href='".$url."&p=".($curPg-1)."' class=\"{$class_paging}\" >&#8249;</a> "; //ve truoc
		#}
		$paging.=$paging1; 
		#if(((int)(($curPg-1)/$mxP+1)*$mxP) < $totalPages)  
		#{
			#$paging .=" <a href='".$url."&curPage=".($end+1)."' class=\"{$class_paging}\" >&#8250;</a> "; //ke
			$paging .=" <a href='".$url."&p=".($curPg+1)."' class=\"{$class_paging}\" >&#8250;</a> "; //ke
			
			$paging .=" <a href='".$url."&p=".($totalPages)."' class=\"{$class_paging}\" >&raquo;</a> <div class='clear'></div>"; //ve cuoi
		#}
	}
	$r3['curPage']=$curPg;
	$r3['source']=$r2;
	$r3['paging']=$paging;
	$r3['total']=$totalRows;
	#echo '<pre>';var_dump($r3);echo '</pre>';
	return $r3;
}
function catchuoi($chuoi,$gioihan)
{
	// nếu độ dài chuỗi nhỏ hơn hay bằng vị trí cắt
	// thì không thay đổi chuỗi ban đầu
	if(strlen($chuoi)<=$gioihan)
	{
		return $chuoi;
	}
	else{
		/*
		so sánh vị trí cắt
		với kí tự khoảng trắng đầu tiên trong chuỗi ban đầu tính từ vị trí cắt
		nếu vị trí khoảng trắng lớn hơn
		thì cắt chuỗi tại vị trí khoảng trắng đó
		*/
		if(strpos($chuoi," ",$gioihan) > $gioihan){
			$new_gioihan=strpos($chuoi," ",$gioihan);
			$new_chuoi = substr($chuoi,0,$new_gioihan)."...";
			return $new_chuoi;
		}
		// trường hợp còn lại không ảnh hưởng tới kết quả
		$new_chuoi = substr($chuoi,0,$gioihan)."...";
		return $new_chuoi;
	}
}

function stripUnicode($str)
{
	if(!$str) return false;
	$unicode = array(
		'a'=>'á|à|ả|ã|ạ|ă|ắ|ằ|ẳ|ẵ|ặ|â|ấ|ầ|ẩ|ẫ|ậ',
		'A'=>'Á|À|Ả|Ã|Ạ|Ă|Ắ|Ằ|Ẳ|Ẵ|Ặ|Â|Ấ|Ầ|Ẩ|Ẫ|Ậ',
		'd'=>'đ',
		'D'=>'Đ',
		'e'=>'é|è|ẻ|ẽ|ẹ|ê|ế|ề|ể|ễ|ệ',
		'E'=>'É|È|Ẻ|Ẽ|Ẹ|Ê|Ế|Ề|Ể|Ễ|Ệ',
		'i'=>'í|ì|ỉ|ĩ|ị',	  
		'I'=>'Í|Ì|Ỉ|Ĩ|Ị',
		'o'=>'ó|ò|ỏ|õ|ọ|ô|ố|ồ|ổ|ỗ|ộ|ơ|ớ|ờ|ở|ỡ|ợ',
		'O'=>'Ó|Ò|Ỏ|Õ|Ọ|Ô|Ố|Ồ|Ổ|Ỗ|Ộ|Ơ|Ớ|Ờ|Ở|Ỡ|Ợ',
		'u'=>'ú|ù|ủ|ũ|ụ|ư|ứ|ừ|ử|ữ|ự',
		'U'=>'Ú|Ù|Ủ|Ũ|Ụ|Ư|Ứ|Ừ|Ử|Ữ|Ự',
		'y'=>'ý|ỳ|ỷ|ỹ|ỵ',
		'Y'=>'Ý|Ỳ|Ỷ|Ỹ|Ỵ'
	);
	foreach($unicode as $khongdau=>$codau)
	{
		$arr=explode("|",$codau);
		$str = str_replace($arr,$khongdau,$str);
	}
	return $str;
}// Doi tu co dau => khong dau

function changeTitle($str)
{
	$str = stripUnicode($str);
	$str = mb_convert_case($str,MB_CASE_LOWER,'utf-8');
	$str = trim($str);
	$str=preg_replace('/[^a-zA-Z0-9\ ]/','',$str); 
	$str = str_replace("  "," ",$str);
	$str = str_replace(" ","-",$str);
	return $str;
}
function getCurrentPageURL() {
    $pageURL = 'http';
	if(isset($_SERVER["HTTPS"])){
    if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";}}
    $pageURL .= "://";
    if ($_SERVER["SERVER_PORT"] != "80") {
        $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
    } else {
        $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
    }
	$pageURL = explode("&p=", $pageURL);
    return $pageURL[0];
}
function create_thumb($file, $width, $height, $folder,$file_name,$zoom_crop='1')
{
	// ACQUIRE THE ARGUMENTS - MAY NEED SOME SANITY TESTS?
	$new_width   = $width;
	$new_height   = $height;
	
	if ($new_width && !$new_height) 
	{
		$new_height = floor ($height * ($new_width / $width));
	} else if ($new_height && !$new_width) {
		$new_width = floor ($width * ($new_height / $height));
	}
		
	$image_url = $folder.$file;
	$origin_x = 0;
	$origin_y = 0;
	// GET ORIGINAL IMAGE DIMENSIONS
	$array = getimagesize($image_url);
	if ($array)
	{
		list($image_w, $image_h) = $array;
	}
	else
	{
		 die("NO IMAGE $image_url");
	}
	$width = $image_w;
	$height = $image_h;
	
	// ACQUIRE THE ORIGINAL IMAGE
	$image_ext = @trim(strtolower(end(explode('.', $image_url))));
	switch(strtoupper($image_ext))
	{
		 case 'JPG' :
		 case 'JPEG' :
			 $image = imagecreatefromjpeg($image_url);
			 $func='imagejpeg';
			 break;
		 case 'PNG' :
			 $image = imagecreatefrompng($image_url);
			 $func='imagepng';
			 break;
		 case 'GIF' :
			 $image = imagecreatefromgif($image_url);
			 $func='imagegif';
			 break;
	
		 default : die("UNKNOWN IMAGE TYPE: $image_url");
	}
	
	// scale down and add borders
	if ($zoom_crop == 3) {

		$final_height = $height * ($new_width / $width);

		if ($final_height > $new_height) {
			$new_width = $width * ($new_height / $height);
		} else {
			$new_height = $final_height;
		}

	}

	// create a new true color image
	$canvas = imagecreatetruecolor ($new_width, $new_height);
	imagealphablending ($canvas, false);

	// Create a new transparent color for image
	$color = imagecolorallocatealpha ($canvas, 255, 255, 255, 127);

	// Completely fill the background of the new image with allocated color.
	imagefill ($canvas, 0, 0, $color);

	// scale down and add borders
	if ($zoom_crop == 2) {

		$final_height = $height * ($new_width / $width);
		
		if ($final_height > $new_height) {
			
			$origin_x = $new_width / 2;
			$new_width = $width * ($new_height / $height);
			$origin_x = round ($origin_x - ($new_width / 2));

		} else {

			$origin_y = $new_height / 2;
			$new_height = $final_height;
			$origin_y = round ($origin_y - ($new_height / 2));

		}

	}

	// Restore transparency blending
	imagesavealpha ($canvas, true);

	if ($zoom_crop > 0) {

		$src_x = $src_y = 0;
		$src_w = $width;
		$src_h = $height;

		$cmp_x = $width / $new_width;
		$cmp_y = $height / $new_height;

		// calculate x or y coordinate and width or height of source
		if ($cmp_x > $cmp_y) {

			$src_w = round ($width / $cmp_x * $cmp_y);
			$src_x = round (($width - ($width / $cmp_x * $cmp_y)) / 2);

		} else if ($cmp_y > $cmp_x) {

			$src_h = round ($height / $cmp_y * $cmp_x);
			$src_y = round (($height - ($height / $cmp_y * $cmp_x)) / 2);

		}

		// positional cropping!
		if (isset($align) && $align) {
			if (strpos ($align, 't') !== false) {
				$src_y = 0;
			}
			if (strpos ($align, 'b') !== false) {
				$src_y = $height - $src_h;
			}
			if (strpos ($align, 'l') !== false) {
				$src_x = 0;
			}
			if (strpos ($align, 'r') !== false) {
				$src_x = $width - $src_w;
			}
		}

		imagecopyresampled ($canvas, $image, $origin_x, $origin_y, $src_x, $src_y, $new_width, $new_height, $src_w, $src_h);

    } else {

        // copy and resize part of an image with resampling
        imagecopyresampled ($canvas, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);

    }

	$new_file=$file_name.'_'.$new_width.'x'.$new_height.'.'.$image_ext;
	// SHOW THE NEW THUMB IMAGE
	if($func=='imagejpeg') $func($canvas, $folder.$new_file,100);
	else $func($canvas, $folder.$new_file,floor ($quality * 0.09));
	
	return $new_file;
}
function ChuoiNgauNhien($sokytu)
{
	$chuoi="ABCDEFGHIJKLMNOPQRSTUVWXYZWabcdefghijklmnopqrstuvwxyzw0123456789";
	for ($i=0; $i < $sokytu; $i++){
		$vitri = mt_rand( 0 ,strlen($chuoi) );
		$giatri= $giatri . substr($chuoi,$vitri,1 );
	}
	return $giatri;
}
function op_new_item()
{
	$sql_huyen="select * from table_news_item order by stt,id desc ";
	$result=mysql_query($sql_huyen);
	$str='
		<select id="id_item" name="id_item"">
		<option value="0">Chọn danh mục</option>
		';
	while ($row_huyen=@mysql_fetch_array($result)) 
	{
		if($row_huyen["id"]==(int)@$_REQUEST["id_item"])
			$selected="selected";
		else 
			$selected="";
		$str.='<option value='.$row_huyen["id"].' '.$selected.'>'.$row_huyen["ten"].'</option>';			
	}
	$str.='</select>';
	return $str;
}
function get_new_category()
{
	global $d ;
	
	$sql = "select * from table_news_item order by stt asc,id desc";
	$d->query($sql);
	$list=$d->result_array();
	return $list;
}
function get_op_category()
{
	$sql="select * from table_news_item order by stt asc,id desc";
	$stmt=mysql_query($sql);
	$str='
		<select id="id_cat" name="id_cat" onchange="select_onchange()" class="w500 main_font">
		<option>Chọn danh mục</option>			
		';
	while ($row=@mysql_fetch_array($stmt)) 
	{
		if($row["id"]==(int)@$_REQUEST["id_cat"])
			$selected="selected";
		else 
			$selected="";
		$str.='<option value='.$row["id"].' '.$selected.'>'.$row["ten"].'</option>';			
	}
	$str.='</select>';
	return $str;
}
function get_main_category($id_cat=0)
{
	$sql="select * from table_product_cat order by stt";
	$stmt=mysql_query($sql);
	$str='
		<select id="id_cat" name="id_cat" class="main_font">
		<option> Chọn danh mục </option>			
		';
	while ($row=@mysql_fetch_array($stmt)) 
	{
		if($row["id"]==(int)@$id_cat)
			$selected="selected";
		else 
			$selected="";
		$str.='<option value='.$row["id"].' '.$selected.'>'.$row["ten"].'</option>';			
	}
	$str.='</select>';
	return $str;
}
function get_main_item($id_cat=0,$id_list=0)
{
	$sql_huyen="select * from #_product_list where id_cat='".$id_cat."'  order by id desc ";
	$result=mysql_query($sql_huyen);
	$str='
		<select id="id_list" name="id_list" class="main_font">
			<option> Chọn danh mục </option>';
		
	while ($row_huyen=@mysql_fetch_array($result)) 
	{
		if($row_huyen["id"]==(int)@$id_list)
			$selected="selected";
		else 
			$selected="";
		$str.='<option value='.$row_huyen["id"].' '.$selected.'>'.$row_huyen["ten"].'</option>';			
	}
	$str.='</select>';
	return $str;
}
function get_main_item2($id_cat=0,$id_list=0)
{
	$sql_huyen2="select * from table_product_item where id_cat=".$id_cat." and id_list=".$id_list." order by stt desc ";
	$result2=mysql_query($sql_huyen2);
	$str='
		<select id="id_item" name="id_item" onchange="" class="main_font">
		<option>Chọn danh mục</option>	
		';
	while ($row_huyen2=@mysql_fetch_array($result2)) 
	{
		if($row_huyen2["id"]==(int)@$_REQUEST["id_item"])
			$selected="selected";
		else 
			$selected="";
		$str.='<option value='.$row_huyen2["id"].' '.$selected.'>'.$row_huyen2["ten"].'</option>';			
	}
	$str.='</select>';
	return $str;
}
/*
function load_view($file){
	ob_start();
	include _template.$file."_tpl.php";
	$content = ob_get_contents();
	ob_end_clean();
	return $content;
}

function check_browser(){
	$useragent = $_SERVER['HTTP_USER_AGENT'];

	if (preg_match('|MSIE ([0-9].[0-9]{1,2})|',$useragent,$matched)) {
			$browser_version=$matched[1];
			$browser = 'IE';
	} elseif (preg_match( '|Opera ([0-9].[0-9]{1,2})|',$useragent,$matched)) {
			$browser_version=$matched[1];
			$browser = 'Opera';
	} elseif(preg_match('|Firefox/([0-9\.]+)|',$useragent,$matched)) {
			$browser_version=$matched[1];
			$browser = 'Firefox';
	} elseif(preg_match('|Safari/([0-9\.]+)|',$useragent,$matched)) {
			$browser_version=$matched[1];
			$browser = 'Safari';
	} else {
			// browser not recognized!
			$browser_version = 0;
			$browser= 'other';
	}
	return $browser;
}
*/
function check_yahoo($nick_yahoo){
	$file = @fopen("http://opi.yahoo.com/online?u=".$nick_yahoo."&m=t&t=1","r");
	$read = @fread($file,200);
	
	if($read==false || strstr($read,"00"))
		$img = '<img  src="images/o_yahoo.png" border="0" />';
	else
		$img = '<img  src="images/f_yahoo.png"  border="0" />';
	return '<a href="ymsgr:sendIM?'.$nick_yahoo.'">'.$img.'</a>';
}

/*
function check_skype($nick_skype='ha.ngoc.thai'){
#		if(strlen(@file_get_contents("http://mystatus.skype.com/bigclassic/".$nick_skype))>2000)
		$img = '<img src="media/images/skype_online.gif" width="93" height="46" border="0" />';
#		else
#			$img = '<img src="media/images/skype_offline.gif" width="93" height="46" border="0" />';
	//alert(strlen(@file_get_contents("http://mystatus.skype.com/bigclassic/".$nick_skype)));
	return '<a href="skype:'.$nick_skype.'?call">'.$img.'</a>';
}

function tran($s){
	global $translate;
	#return $translate['Họ tên'];
	return strtr($s, $translate);
}

function redirect_error($n){
	switch ($n) {
		case '404' :
			echo "<center><h1>PAGE NOT FOUND</h1></center>";
			#echo "<script language='javascript'> window.location = 'error_404.html' </-------------script>";
			exit();
		default :
			alert('Kiem tra lai redirect_error');
			exit();
	}
}

function bodau2($s){
	$s = chuanhoa($s);
	$s = stripslashes($s);
	return $s;
}
function parent_alert($s){
	echo '<script language="javascript"> parent.alert("'.$s.'") </script>';
}

function parent_redirect($ur=''){
	echo '<script language="javascript">parent.location = "'.site($ur).'" </script>';
	exit();
}
function back($n=1){
	echo '<script language="javascript"> history.go('.-$n.'); </script>';
}
function goto($ur=''){
	echo '<script language="javascript">window.location = "'.$ur.'" </script>';
	exit();
}
//////////////  URL  //////////////////
///////////////////////////////////////////
function site($s=''){
	if(!DEBUG)
		$s = url_encode($s);
	return 'index.php?'.$s;

	$ur = 'index.php?'.$s;
	return url_encode($s);
	return $ur;
}

function url_encode($s){
	return  base64_encode($s);
}

function url_decode($s)	{
	return base64_decode($s);
}

function get_url(){
	$get = array();
	
	$query_str = !DEBUG ? url_decode($_SERVER['QUERY_STRING']) : $_SERVER["QUERY_STRING"];
	
	$parts = explode('&',$query_str);
	$get['com'] = $parts[0];
	for($i=1; $i<count($parts); $i++){
		$seg = explode( '=', $parts[$i]);
		$get[$seg[0]] = $seg[1];
	}
	$get['com'] = str_replace('-','/',$get['com']);
	return $get;
}


function check_login(){
	if(!isset($_SESSION['site_log']) || $_SESSION['site_log']==false)
		$_GET["com"] = "login";
}

function get_file($com, $act){
	#$com = isset($_GET['com']) ? $_GET['com'] : "index";
	$act = empty($act) ? '' : '_'.$act;
	$file['mod'] = "app/mod/".$com.$act."_mod.php";
	$file['ctr'] = "app/ctr/".$com.$act.".php";
	$file['view'] = "app/view/".$com.$act."_tpl.php";
	return $file;
}

function error_404(){
	if( DEBUG )
		header("Location: ../errors/error_404.php?com=".$_GET['com']);
	else
		header("Location: ../errors/error_404.php");
}

function top_content(){
	require_once "view/layout/top_tpl.php";
}

function bottom_content(){
	require_once "view/layout/bottom_tpl.php";
}

function main_content(){
	$file = get_file();	
	$error_nopage = 0;
	#dump($file);
	if( file_exists($file['mod'])) 
		require_once $file['mod'];
	if( file_exists($file['ctr'])){
		require_once $file['ctr'];
		$error_nopage ++;
	}
	if( file_exists($file['view'])){
		require_once $file['view'];
		$error_nopage++;
	}
	if($error_nopage == 0)
		error_404();
}




//////////////  FORM  //////////////////
///////////////////////////////////////////
function form_select($conf, $vals){
	$name = $conf['n'];
	$v = $conf['v'];
	$t = $conf['t'];
	$s = $conf['s'];
	$danh_muc = '<select id="$name" name="$name">';
	$danh_muc .= '<option value=""> ---- Select ---- </option>';
	for($i=0; $i<count($vals); $i++){
		$danh_muc .= "<option value=".$vals[$i][$v];
		if($vals[$i][$v]==$s) 
			$danh_muc .= " selected ";
		$danh_muc .= ">";
		$danh_muc .= $vals[$i][$t];
		$danh_muc .= '</option>';
	}
	$danh_muc .= '</select>';
	return $danh_muc;
}

function form_select_2($conf, $vals){
	$name = $conf['n'];
	$v = $conf['v'];
	$t = $conf['t'];
	$s = $conf['s'];
	$danh_muc = '<select id="$name" name="$name">';
	$danh_muc .= '<option value=""> ---- Chọn danh mục ---- </option>';
	for($i=0; $i<count($vals); $i++){
		$danh_muc .= "<option value=".$vals[$i][$v];
		if($vals[$i][$v]==$s) 
			$danh_muc .= " selected ";
		$danh_muc .= ">";
		$danh_muc .= $vals[$i][$t."_vi"]." - ".$vals[$i][$t."_en"];
		$danh_muc .= '</option>';
	}
	$danh_muc .= '</select>';
	return $danh_muc;
}
// echo form_select(array('n'=>'id_cat', 'v'=>'id', 't'=>'ten_vi', 's'=>$id_cat), $news_cats);

//////////////  PHAN TRANG  //////////////////
///////////////////////////////////////////

	function getUrl()
	{
		if(strpos($_SERVER['QUERY_STRING'],'&curPage')!==false)
			$url='?'.substr($_SERVER['QUERY_STRING'],0,strpos($_SERVER['QUERY_STRING'],'&curPage'));
		else
			$url='?'.$_SERVER['QUERY_STRING'];
		return $url;
	}

*/
#----------------------------------------------------------	
?>