Use functions (not global variables) for protocol and base_url

svgparser/index.php

@@ -14,7 +14,7 @@ include("../header_top.php");
 		but didn't cover many cases (example: gradient transformations). Therefore, if you wanted to use existing SVG
 		files with dojox.gfx, you had to convert the file by hand. This was extremely tedious, so I have developed a converter tool
 		with which you may convert existing SVG files into Javascript code ready to be used with dojox.gfx. If you have any comments or
-		suggestions for improvement, feel free to <a href="<?php echo $base_url; ?>/contact">contact me</a>.</p>
+		suggestions for improvement, feel free to <a href="<?php echo get_base_url(); ?>/contact">contact me</a>.</p>
 		<fieldset style="border: solid black 1px;padding: 1em;"><legend>SVG (XML)</legend>
 			<textarea id="input" rows="10" style="width: 100%" wrap="off"></textarea>
 			<button onclick="submit()">Convert To Javascript</button>
@@ -26,7 +26,7 @@ include("../header_top.php");
 			function submit(){
 				var data = dojo.byId("input").value;
 					dojo.rawXhrPost({
-						url: "<?php echo $base_url; ?>/svgparser/parser/index.php",
+						url: "<?php echo get_base_url(); ?>/svgparser/parser/index.php",
 						handleAs: "text",
 						postData: data,