--- loncom/homework/functionplotresponse.pm	2011/01/14 01:56:32	1.50
+++ loncom/homework/functionplotresponse.pm	2011/01/25 20:52:08	1.51
@@ -1,7 +1,7 @@
 # LearningOnline Network with CAPA
 # option list style responses
 #
-# $Id: functionplotresponse.pm,v 1.50 2011/01/14 01:56:32 www Exp $
+# $Id: functionplotresponse.pm,v 1.51 2011/01/25 20:52:08 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -184,7 +184,7 @@ sub set_slope_coordinate {
    my $mult=($fixed?'a*':'');
    return (<<ENDSETSVARIABLE);
 document.ggbApplet_$id.evalCommand("a=1");
-document.ggbApplet_$id.evalCommand("$xvariable=Slider[0,$domain,$xinterval]");
+document.ggbApplet_$id.evalCommand("$xvariable=Slider[$xinterval,$domain,$xinterval]");
 document.ggbApplet_$id.setVisible("$xvariable", false);
 document.ggbApplet_$id.evalCommand("$xvariable=$xrel");
 document.ggbApplet_$id.evalCommand("$yvariable=Slider[-$range,$range,$yinterval]");