Index: /applications/editors/josm/plugins/slippymap/src/org/openstreetmap/josm/plugins/slippymap/SlippyMapKey.java
===================================================================
--- /applications/editors/josm/plugins/slippymap/src/org/openstreetmap/josm/plugins/slippymap/SlippyMapKey.java	(revision 13665)
+++ /applications/editors/josm/plugins/slippymap/src/org/openstreetmap/josm/plugins/slippymap/SlippyMapKey.java	(revision 13665)
@@ -0,0 +1,68 @@
+/**
+ * 
+ */
+package org.openstreetmap.josm.plugins.slippymap;
+
+/**
+ * <p>
+ * Key for map tile. Key have just X and Y value. It have overriden {@link #hashCode()},
+ * {@link #equals(Object)} and also {@link #toString()}.
+ * </p>
+ * 
+ * @author LuVar <lubomir.varga@freemap.sk>
+ *
+ */
+public class SlippyMapKey {
+	private final int x;
+	private final int y;
+	
+	/**
+	 * <p>
+	 * Constructs key for hashmaps for some tile describedy by X and Y position. X and Y are tiles
+	 * positions on discrete map.
+	 * </p>
+	 * 
+	 * @param x	x position in tiles table
+	 * @param y	y position in tiles table
+	 */
+	public SlippyMapKey(int x, int y) {
+		this.x = x;
+		this.y = y;
+	}
+	
+	/**
+	 * <p>
+	 * Returns true ONLY if x and y are equals.
+	 * </p>
+	 * 
+	 * @see java.lang.Object#equals(java.lang.Object)
+	 */
+	@Override
+	public boolean equals(Object obj) {
+		if (obj instanceof SlippyMapKey) {
+			SlippyMapKey smk = (SlippyMapKey) obj;
+			if((smk.x == this.x) && (smk.y == this.y)) {
+				return true;
+			}
+		}
+		return false;
+	}
+	
+	/**
+	 * @return	return new Integer(this.x + this.y * 10000).hashCode();
+	 * @see java.lang.Object#hashCode()
+	 */
+	@Override
+	public int hashCode() {
+		return new Integer(this.x + this.y * 10000).hashCode();
+	}
+	
+	/**
+	 * @see java.lang.Object#toString()
+	 */
+	@Override
+	public String toString() {
+		return "SlippyMapKey(x=" + this.x + ",y=" + this.y + ")";
+	}
+	
+}