anchor.diff:  	
   	System.out.println("=================");
   	
  +	//scope session variable
   	String scope = ""+request.getParameter("scope");
   	System.out.println("scope: " + scope);
   	
  +	//r_offset and next_r_offset session variable
   	String r_offset, next_r_offset;
   	if(request.getParameter("r_offset") != null && !request.getParameter("r_offset").equals("0"))
   	{
  
positive.code: 	//scope = states
  	if(scope.equals("states"))
  	{
  		if(state == null || state.equals("all"))
  		{
  			System.out.println("rows: states - no filters");
  			/** pulls state names, no filters**/
  
negative.code: try
  {
  	try{Class.forName("org.postgresql.Driver");}catch(Exception e){System.out.println("Driver error");}
  /* 	conn = DriverManager.getConnection(
              "jdbc:postgresql://localhost/CSE135?" +
              "user=Bonnie");  */
              
   	conn = DriverManager.getConnection("jdbc:postgresql://ec2-23-21-185-168.compute-1.amazonaws.com:5432/ddbj4k4uieorq7?ssl=true&sslfactory=org.postgresql.ssl.NonValidatingFactory",
      	"qwovydljafffgl", "cGdGZam7xcem_isgwfV3FQ_jxs"); 
              
  	stmt =conn.createStatement();
  	stmt_2 =conn.createStatement();
  