<?php 

function upload_file($db,$ValidExtns,$FieldName,$TargetDir,$OverWrite,$ImageNamePreFix){
  global $PROMPT,$PROMPT_CLASS,$i_imgID,$IMG_FILE,$DirName,$UploadFile;
  $uploaddir = $_SERVER['DOCUMENT_ROOT'].$TargetDir."/";
	$uploadfile = $uploaddir .$ImageNamePreFix.str_replace(" ","-",($_FILES["$FieldName"]['name']));
 
	$ok = 1;
	
	if($_FILES["$FieldName"]){
		$filesizebtyes = $_FILES["$FieldName"][size];
		$extn=explode('.',$_FILES["$FieldName"]['name']);
		$extn=strtoupper($extn[(count($extn)-1)]); 
		$FileTypesArray=explode(",",$ValidExtns);
	    $FileName=str_replace(" ","-",($_FILES["$FieldName"]['name']));
       
		if(!in_array($extn,$FileTypesArray)){
		  $ARG=array('FileName'=>"$FileName",'ValidExtns'=>"$ValidExtns");
			//setPrompt($db,'NOTaValidFile',$ARG,'FILE_UPLOADER');
			$PROMPT.= "NOTaValidFile";
  		return false;
		}
		
   if($filesizebtyes < 10)	{
			$ARG=array('FileName'=>"$FileName",'ValidExtns'=>"$ValidExtns",'bytes'=>10);
			//setPrompt($db,'ErrorUploadingFileSizeLower',$ARG,'FILE_UPLOADER');
			$PROMPT.= "ErrorUploadingFileSizeLower";
  		return false;
		}
    if(file_exists($uploadfile)){
				$ARG=array('FileName'=>"$FileName");
        if(!$OverWrite){
				  //setPrompt($db,'FileNameAlreadyExistsError',$ARG,'FILE_UPLOADER');
				  $PROMPT.= "FileNameAlreadyExistsError";
       	  return false;
        }else{
          //setPrompt($db,'FileNameAlreadyExists',$ARG,'FILE_UPLOADER');
          $PROMPT.= "FileNameAlreadyExists";
        }
		}
	  if(move_uploaded_file($_FILES["$FieldName"]['tmp_name'], $uploadfile)) {
		      @chmod($uploadfile,0777);
			  $ARG=array('FileName'=>"$FileName");
        //setPrompt($db,'FileUploaded',$ARG,'FILE_UPLOADER');
		$PROMPT.= "FileUploaded";
       	return $UploadFile=$ImageNamePreFix.str_replace(" ","-",($_FILES["$FieldName"]['name']));
    }else{
      $ARG=array('FileName'=>"$FileName");
      //setPrompt($db,'ProblemInUploadingFile',$ARG,'FILE_UPLOADER');
	  $PROMPT.= "ProblemInUploadingFile";
    }
  }else{
    $ARG=array('FileName'=>"$FileName");
    //setPrompt($db,'NoFileToUpload',$ARG,'FILE_UPLOADER');
	$PROMPT.= "NoFileToUpload";
  }
}

?>