Custom title for dhtmlxlayout cell's Expand/Collapse

Suite and Optimus Suite 5
#1

Is there any method for setting Custom title for dhtmlxlayout cell’s Expand/Collapse image?

#2

Try to redefine properties of i18n object. By default, “expand” and “collapse” titles are:

layout.i18n.collapse = “Collapse”;
layout.i18n.expand= “Expand”;