[geckoday]

func_display("customer/home.tpl",$smarty); says to display skin1/customer/home.tpl

skin1/customer/home.tpl will include skin1/customer/home_main.tpl which looks at the value of "main" to decide which other template to include. "main" is set by the $smarty->assign("main", "home"); statement.

The $smarty object is the smarty templating engine - its what makes he pages display so you must have it.

So to display the page you would put these statements in your php:

$smarty->assign("main", "register1");
func_display("customer/home.tpl",$smarty);

Then tweak skin1/customer/home_main.tpl to check for "main" equal to register1 and include your new template.