Fix for bug 101424: No error checking for port number in "Customizing

proxies" screen (r=tao)

cck/cckwiz/iniFiles/Proxy.ini

@@ -126,6 +126,7 @@ Start_x=307
 Start_y=78
 Width=40
 Height=12
+onCommand=IsNumeric(You must enter only numeric values for Port Number)
 
 [Widget 11999]
 Type=Text
@@ -162,6 +163,7 @@ Start_x=307
 Start_y=93
 Width=40
 Height=12
+onCommand=IsNumeric(You must enter only numeric values for Port Number)
 
 [Widget 15999]
 Type=Text
@@ -198,6 +200,7 @@ Start_x=307
 Start_y=108
 Width=40
 Height=12
+onCommand=IsNumeric(You must enter only numeric values for Port Number)
 
 [Widget 19999]
 Type=Text
@@ -234,6 +237,7 @@ Start_x=307
 Start_y=123
 Width=40
 Height=12
+onCommand=IsNumeric(You must enter only numeric values for Port Number)
 
 [Widget 24999]
 Type=Text
@@ -270,6 +274,7 @@ Start_x=307
 Start_y=138
 Width=40
 Height=12
+onCommand=IsNumeric(You must enter only numeric values for Port Number)
 
 [Widget 33999]
 Type=Text