$url = 'http://www.rdy.co.il/dhtmlgoodies_floating_window_tabs.zip';
$path = dirname((__FILE__)).'/';
$fileName = getFileNameFromURL($url);
$fd = fopen ($url, "r");
$fw = fopen ( $path.$fileName, "w");
while (!feof ($fd))
{
   $buffer = fgets($fd, 4096);
   fwrite($fw, $buffer);
}
fclose ($fd);
fclose ($fw);
function getFileNameFromURL( $url ) {
	$parseURL = parse_url($url);
	$parsePath = explode( '/' , $parseURL{'path'} );
	return $parsePath;
}