Index: trunk/core/admin_templates/js/grid.js
===================================================================
diff -u -N -r7635 -r7855
--- trunk/core/admin_templates/js/grid.js	(.../grid.js)	(revision 7635)
+++ trunk/core/admin_templates/js/grid.js	(.../grid.js)	(revision 7855)
@@ -114,6 +114,16 @@
 			this.GridItem.DblClick(ev);
 		}
 	}
+
+	if ( this.Grid.MouseOverClass ) {
+		addEvent(this.HTMLelement, 'mouseover', function(ev) { this.GridItem.MouseOver(ev)}, true); // true for traditional event model
+		addEvent(this.HTMLelement, 'mouseout', function(ev) { this.GridItem.MouseOut(ev)}, true);
+		if ( this.LeftElement ) {
+			addEvent(this.LeftElement, 'mouseover', function(ev) { this.GridItem.MouseOver(ev)}, true);
+			addEvent(this.LeftElement, 'mouseout', function(ev) { this.GridItem.MouseOut(ev)}, true);
+		}
+	}
+
 }
 
 GridItem.prototype.DisableClicking = function ()
@@ -232,6 +242,21 @@
 	this.Grid.Edit();
 }
 
+GridItem.prototype.MouseOver = function (ev)
+{
+	this.HTMLelement.className = this.Grid.MouseOverClass;
+	if ( this.LeftElement ) {
+		this.LeftElement.className = this.Grid.MouseOverClass;
+	}
+}
+GridItem.prototype.MouseOut = function (ev)
+{
+	this.HTMLelement.className = this.selected ? this.class_on : this.class_off;
+	if ( this.LeftElement ) {
+		this.LeftElement.className = this.selected ? this.class_on : this.class_off;
+	}
+}
+
 GridItem.prototype.Toggle = function ()
 {
 	if (this.selected) this.UnSelect()
@@ -263,6 +288,7 @@
 	this.AlternativeGrids = new Array();
 	this.DependantButtons = new Array();
 	this.RadioMode = false;
+	this.MouseOverClass = false;
 
 	// K3-style sticky selection, selection an item does not unselect currently selected
 	// even w/o Ctrl key pressed