PHP - task_URL Script

A script I use to do certain actions based on the current URL Address

<?php
	//[TM][4/18/2012] Used get sliding menu Bar needle to work and behave accordinglhy per page
	//v1.0.0

	$domain = $_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
	$homepage = "www.sparxoo.com/stack/";

	$aboutPage = strpos($domain, "about/");

	if ($domain <> $homepage)
	{
	    $marketersPage = strpos($domain, "marketers/");
	    $propertiesPage = strpos($domain, "properties/");
	    $contentPage = strpos($domain, "content/");
	    $contactPage = strpos($domain, "contact/");

					if ($marketersPage == true)
					{$set_Position = "width: 97px; left: 608px;";}
					elseif ($propertiesPage == true)
					{$set_Position = "width: 98px; left: 704px;";}
					elseif ($contentPage == true)
					{$set_Position = "width: 85px; left: 801px;";}
					elseif ($contactPage == true)
					{$set_Position = "width: 75px; left: 886px;";}
					else
					{
					$set_Position = "width: 89px; left: 519px;";
					}
					echo "<div id ='slide' style='<?php echo $set_Position; ?>'><img src = 'http://www.sparxoo.com/stack/wp-content/themes/swatch/images/arrow.png' style='position:absolute;margin-left:30px;margin-top:-8px;' /></div>";


		}
		else
		{
		echo "";
		}


?>