Implemented __ifrow tag.

__ifrow.cpp

@@ -0,0 +1,20 @@
+#include "__ifrow.h"
+#include "Exception.h"
+#include "MString.h"
+#include "__mysql.h"
+#include <stdlib.h>
+#include <unistd.h>
+
+namespace jet {
+   
+   __ifrow::__ifrow(coreutils::ZString &in, coreutils::MString &parent, Global &global) : Tag(in, parent, global) {
+      output = false;
+      if(!hasContainer)
+	throw coreutils::Exception("ifrow tag must have a container.");	
+      if(!global.sessionExists(variables["sessionid"]))
+	throw coreutils::Exception("sessionid does not exist.");
+      if(global.getSession(variables["sessionid"])->hasRow()) 
+	processContainer(container);      
+   }
+   
+}