+int el2panelimg(int);
+int font2baseimg(int);
+
+int getBeltNrFromBeltElement(int);
+int getBeltNrFromBeltActiveElement(int);
+int getBeltNrFromBeltSwitchElement(int);
+int getBeltDirNrFromBeltElement(int);
+int getBeltDirNrFromBeltSwitchElement(int);
+int getBeltDirFromBeltElement(int);
+int getBeltDirFromBeltSwitchElement(int);
+int getBeltElementFromBeltNrAndBeltDirNr(int, int);
+int getBeltElementFromBeltNrAndBeltDir(int, int);
+int getBeltSwitchElementFromBeltNrAndBeltDirNr(int, int);
+int getBeltSwitchElementFromBeltNrAndBeltDir(int, int);