diff --git a/jquery.pjax.js b/jquery.pjax.js
index 5cec3f28..9d09cc8e 100644
--- a/jquery.pjax.js
+++ b/jquery.pjax.js
@@ -187,6 +187,12 @@ function pjax(options) {
   }
 
   var timeoutTimer
+  
+  if(typeof options.beforeSend === 'function'){
+	if(!options.beforeSend()) {
+		return false;
+	}
+  };
 
   options.beforeSend = function(xhr, settings) {
     // No timeout for non-GET requests
@@ -281,6 +287,7 @@ function pjax(options) {
       state: pjax.state,
       previousState: previousState
     })
+	executeScriptTags(container.scripts)
     context.html(container.contents)
 
     // FF bug: Won't autofocus fields that are inserted via JS.
@@ -293,8 +300,6 @@ function pjax(options) {
       autofocusEl.focus();
     }
 
-    executeScriptTags(container.scripts)
-
     // Scroll to top by default
     if (typeof options.scrollTo === 'number')
       $(window).scrollTop(options.scrollTo)
@@ -723,7 +728,12 @@ function executeScriptTags(scripts) {
     var script = document.createElement('script')
     script.type = $(this).attr('type')
     script.src = $(this).attr('src')
-    document.head.appendChild(script)
+	if(pjax.options.async) {	
+		document.head.appendChild(script)
+	}
+	else {
+		$(document.body).append(script)
+	}
   })
 }