//<![CDATA[

var tabPane;

function showCustomTab( sName ) {
	if (typeof tabPane != "undefined" ) {
		switch ( sName ) {
			case "tab_1":
				tabPane.setSelectedIndex( 0 );
				break;
			case "tab_2":
				tabPane.setSelectedIndex( 1 );
				break;
			case "tab_3":
				tabPane.setSelectedIndex( 2 );
				break;
			case "tab_4":
				tabPane.setSelectedIndex( 3 );
				break;
		}
	}
}