Screen scroll, full scroll

Int lev_= 1;
Image map_image, map_back1, map_back11;
Image map_image1;
Int map_image_width, map_image_height;
Int map_back1_width, map_back1_height;
Int map_back11_width, map_back11_height;
Public void loading (INT le) throws exception {
// Le = 2;
// This. Level = Le;
// Level = 1;

Map_image = getimage ("/MAP/level" + le + ". PNG ");
Map_image1 = getimage ("/MAP/level" + le + ". PNG ");
Map_back1 = getimage ("/MAP/level" + le + ". PNG ");
Map_back11 = getimage ("/MAP/level" + le + ". PNG ");
System. Out. println ("Loading map ...");
Scrollleft = This. Width ()-map_image.getwidth ();
Drawx = 0; // getwidth ();
Drawy = height ();
System. GC ();
}

////////////////////////////////////

Void drawmap (){
Drawmap_back ();
Drawmap_back1 ();
Drawmap_back11 ();
// System. GC ();
}

Void drawmap_back (){
G. drawimage (map_image,-start_1, drawy, graphics. Bottom | graphics. Left );
G. drawimage (map_image,-start_1 + 176, drawy,
Graphics. Bottom | graphics. Left );
This. Scroll (1 );
// System. Out. println ("count +" + count );
}

Void drawmap_back1 (){
G. drawimage (map_back1,-start_2, drawy, graphics. Bottom | graphics. Left );
G. drawimage (map_back1,-start_2 + 176, drawy,
Graphics. Bottom | graphics. Left );
This. scroll2 (2 );
}

Void drawmap_back11 (){
Dx2 = drawx + map_back11.getwidth ();
G. drawimage (map_back11,-start_3, drawy,
Graphics. Bottom | graphics. Left );
G. drawimage (map_back11,-start_3 + 176, drawy,
Graphics. Bottom | graphics. Left );
This. scroll3 (10 );
}

Int start_1 = 0;
Int start_2 = 0;
Int start_3 = 0;
Int COUNT = 0;
Public int next = 0;
Protected int scroll (int SC ){
If (isleft ){
Start_1 + = SC;
If (start_1> = 176 ){
Start_1 = 0;
}
}
Next = count ++;
Return next;
}

Protected void scroll2 (int SC ){
If (isleft ){
Start_2 + = SC;
If (start_2> = 176 ){
Start_2-= 176;
}
}
}

Protected void scroll3 (int SC ){
If (isleft ){
Start_3 + = SC;
If (start_3> = 176 ){
Start_3-= 176;
}
}
}