Creating dynamically Binary Tree to Display Member

<?php
$id='1';
$result=Myfunction($id);
function display($arr)
{
$markup='';
foreach ($arr as $key => $value) {

if($value!=0)
{

$markup.= '

'.((is_array($value))?display($value) : $value) .'

';
}
else
{

$markup.='

empty

';

}

}
return "<row>

".$markup."

";

}



function Myfunction($id)
{
$sql="SELECT * FROM `tbl_mlm` WHERE `id`='$id'";
$res=DBExecute($sql,"select");
if($res)
{
$set=$res[0];
$left=$set['left'];
$right=$set['right'];
$name=$set['name_tree'];

}
else
{
$left=0;
$right=0;
$name="not";
}

if($left!="0" AND $right!="0" )
{
$temp[$name."_left"]=$left;
$left_arr=Myfunction($left);
array_push($temp,Myfunction($left));
$temp[$name."_right"]=$right;
$right_arr=Myfunction($right);
array_push($temp,Myfunction($right));
}
else
{
$temp[$name."_left"]="0";
$temp[$name."_right"]="0";
}

return $temp;
}
?>

Actually i have made binary tree using asp tree view but my tree is showing in vertical way ..........................i want to show my tree in horizontal way....................hw it is possible


Thanks in advance

regards

vibudh