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function link($getvar, $var, $name) {	if(is_int($var)) {		$type = "pid";	} else {		$type = "lang";	}		if($getvar == $var) {		echo "<a href=\"{$_SERVER['REQUEST_URI']}?$type=$var\">$name</a>";	} else {		echo "<u>$name</u>";	}	echo "&nbsp;&nbsp;&nbsp;";}