Cannot read property 'setText' of null at window on.load

Just starting to learn DHX and designing for a real world App already up and running, but I’m integrating a new component.

Got something working with a 2U layout, but when I went to then make it a 5G I get the error:

“Cannot read property ‘setText’ of null at window on.load”

In this code:

window.onload=function(){

lo=new dhtmlXLayoutObject(document.body,“5G”);
lo.cells(“a”).setText(“Doc Center”);
lo.cells(“b”).setText(“Dashboard”);
lo.cells(“c”).setText(“Info”);
lo.cells(“d”).setText(“Actions1”); << ERROR
lo.cells(“e”).setText(“Actions2”);

lo.cells(“d”).setWidth(lo.cells(“d”).getWidth().33);
lo.cells(“e”).setWidth(lo.cells(“e”).getWidth()
.33);
lo.cells(“a”).attachObject(“content”);
tabs=lo.cells(“d”).attachTabbar();
tabs.addTab(“statuschange”,“Status Change”,““);
tabs.addTab(“editdata”,“Edit Data”,”
”);
tabs.cells(“statuschange”).attachobject(“statuschangeaction”);
tabs.cells(“editdata”).attachobject(“editdataaction”);

}

I’m assume the label are assigned left top to down, and left to right across, though I’m not sure that matters.

I’m hoping someone can help explain this.

The code which you are using is correct, check the next snippet

snippet.dhtmlx.com/c5737effd