Fix for bug 101658: leaving Auto proxy URL blank will cause browser to

crash. (r=tao)
Displaying error message if auto proxy URL is blank.

cck/cckwiz/iniFiles/Proxy.ini

@@ -25,7 +25,7 @@ Caption=2nd level node
 Help=Online;%Root%CCKHelp\proxy.html
 
 [Navigation Controls]
-onNext=
+onNext=IsAutourlempty
 Help=ProxyHelp.ini
 
 [Image 1999]
@@ -333,4 +333,5 @@ Start_x=20
 Start_y=220
 Width=250
 Height=12
+onCommand=IsAutourlempty
 

cck/driver/interpret.cpp

@@ -658,6 +658,21 @@ BOOL CInterpret::interpret(CString cmds, WIDGET *curWidget)
 						}
 					}
 				}
+				else if (strcmp(pcmd, "IsAutourlempty") == 0)
+				{
+					CString proxyConfigoption = GetGlobal("radioGroup2");
+					if (proxyConfigoption == "3")
+					{
+						WIDGET *wid;
+						wid = findWidget("autoproxyurl");
+						CString autourl = CWizardUI::GetScreenValue(wid);
+						if (autourl == "")
+						{
+							AfxMessageBox("Please enter a URL for automatic proxy configuration", MB_OK);
+							return FALSE;
+						}
+					}
+				}
 				else if (strcmp(pcmd, "IsSamedomain") == 0)
 				{
 					CString ispDomainName = GetGlobal("DomainName");
@@ -700,7 +715,7 @@ BOOL CInterpret::interpret(CString cmds, WIDGET *curWidget)
 					}
 					
 				}
-				else if(strcmp(pcmd, "IsPortnumEmpty") ==0)
+ 				else if(strcmp(pcmd, "IsPortnumEmpty") ==0)
 				{
 					WIDGET *wid;
 					wid = curWidget;