$(document).ready(function(){
			$.ajax({
			  type: "POST",
			  url: "/qu.php?val="+val,
			  dataType: "json",
			  success: function(data)
		   {
			  var myArr = data;

<?php
		header("Content-Type: text/html; charset=utf-8");

	if ($_GET['val'] <> "") {$val = $_GET['val'];} else {$val = "";}

	/////////postgres
	$host = "**.ru"; 
	$user = "**"; 
	$pass = "**"; 
	$db = "**"; 
	$con = pg_connect("host=$host dbname=$db user=$user password=$pass")
		or die ("Could not connect to server\n"); 
		 if (!$con) 
	 { 
	 die('Error: Could not connect: ' . pg_last_error()); 
	 } 
	/////////postgres
////////////////////
	$val = str_replace("F_Date", "Date_Add", $val);
	 $query = "SELECT
		sum(\"NETTO\"), \"NAME_CARGO\", \"NAME_STATION\"
		FROM 
		  \"SC_Post16\".\"TPost16\" where \"NETTO\" is not null and $val
			GROUP BY \"NAME_CARGO\",\"NAME_STATION\"; ";	
	$rs = pg_query($con, $query) 
	or die("Cannot execute query: $query\n");	
	
		while ($row = pg_fetch_row($rs))    
		{
		
					$Sum[] = array($row[0] , $row[1], $row[2]);
				
		
		}
		exit(json_encode($Sum));
		 pg_close($con); 

?>