<?php
if(isset($_FILES['upload']['name'])){
	$file=$_FILES['upload']['tmp_name'];
	$file_name=$_FILES['upload']['name'];
	$file_name_array = explode(".",$file_name);
	$extension= end($file_name_array);
	$new_image_name=rand().".".$extension;
	chmod('',0777);
	$allowed_extension=array("jpg","gif","png");
	if(in_array($extension,$allowed_extension)){
		move_uploaded_file($file_name, "lib/images/upload/".$new_image_name);
		$function_number=$_GET['CKEditorFuncNum'];
		$url='lib/images/upload/'.$new_image_name;
		$message="";
		echo "<script type='text/javascript'>window.parent.CKEDITOR.tools.callFunction($function_number,'$url','$message');</script>";
	}
}
?>