Scrolls to the element of your choice based on the id of the element and the $_GET[] parameter

ScrollToElementId

<?
        // PHP
        if ($_GET['elementId']) {
?>
                <input type="hidden" id="elementId" value="<?=$_GET['elementId']?>" />
<?
        }
?>

<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
<script type="text/javascript">
  
        if ($('#elementId').val()) {
	        if ( $('#'+$('#elementId').val()).html() ) {
		         var idPos = $('#'+$('#elementId').val()).position().top;
		         $(window).scrollTop(idPos);
	        }
        }

</script>