This partially addresses #43.

Connections/database_functions.php

@@ -281,9 +281,9 @@ define('SHOW_SHOP_ID',0);
 **************/
 // Allow comments/feedback/notes to be added per individual_history_log in reports,
 // and globally in shop_log.  An etherpad host has to be defined for this to work.  
-// See wiki for instructions on how to setup an etherpad docker instance.r
+// See wiki for instructions on how to setup an etherpad docker instance.
 //
-// prefix allows you to set a prefix to the name of the autogenerated padID:
+// prefix allows you to set a prefix to the name of the autogenerated padId:
 // etherpad = prefix + "pad_contact_id_" + contact_id;
 // etherpad_global = prefix_ + "global_pad"
 // See https://github.com/ether/etherpad-lite-jquery-plugin for information about other configurations.

shop_log.php

@@ -76,18 +76,8 @@ if($_GET['new_user_id']>0){
  
 			$( window ).on( "load", function() {
 	        
-		     	var body_margin = $("#shop_log_iframe").contents().find("body").css("margin");
-		     	body_margin = body_margin.replace("px","");
-		     	body_margin = body_margin * 4;
-				var shop_log_height = $("#shop_log_iframe").contents().find("#shop_height").height() +
-		      $("#shop_log_iframe").contents().find("#header_height").height() + body_margin;	        
+	        	if ( $("#epframeshop_log_pad").length ) {
 	        		
-		    	$("#shop_log_iframe").css({"height": shop_log_height});  
-		    	
-		    	$("#shop_log_iframe").contents().find("#shop_log_link").attr("href","/shop_log_iframe.php"); 
-		    	
-		    	// does this work?
-		    	$("#shop_log_iframe").contents().find("#sign_in_button").on("click keypress", function(e){
 	        	
 			     	var body_margin = $("#shop_log_iframe").contents().find("body").css("margin");
 			     	body_margin = body_margin.replace("px","");
@@ -95,9 +85,24 @@ if($_GET['new_user_id']>0){
 					var shop_log_height = $("#shop_log_iframe").contents().find("#shop_height").height() +
 			      $("#shop_log_iframe").contents().find("#header_height").height() + body_margin;	        
 			    
-		    		$("#shop_log_iframe").css({"height": shop_log_height}); 
+			    	$("#shop_log_iframe").css({"height": shop_log_height});  
 			    	
-		    	});  
+			    	$("#shop_log_iframe").contents().find("#shop_log_link").attr("href","/shop_log_iframe.php"); 
+			    	
+			    	// does this work?
+			    	$("#shop_log_iframe").contents().find("#sign_in_button").on("click keypress", function(e){
+	
+				     	var body_margin = $("#shop_log_iframe").contents().find("body").css("margin");
+				     	body_margin = body_margin.replace("px","");
+				     	body_margin = body_margin * 4;
+						var shop_log_height = $("#shop_log_iframe").contents().find("#shop_height").height() +
+				      $("#shop_log_iframe").contents().find("#header_height").height() + body_margin;	        
+	    
+			    		$("#shop_log_iframe").css({"height": shop_log_height}); 
+			    		
+			    	});  
+				
+				}	// if etherpad      
 	      
 	    	}); // end $( window ).on