/*
	Routines to manage client-side tab rollovers.
*/


function showBullets( id ) {
	//  hide list text
	document.getElementById( "td_tablist_tab1_div" ).style.display = "none";
	document.getElementById( "td_tablist_tab2_div" ).style.display = "none";
	document.getElementById( "td_tablist_tab3_div" ).style.display = "none";

	//  show list text
	document.getElementById( "td_tablist_tab" + id + "_div" ).style.display = "block";
}


function setTextFocus( id ) {
	var cls = getClassAttributeNameForNavigator();		//  requires td.js

	//  unhighlite tabs text
	document.getElementById( "td_tablist_href1" ).setAttribute( cls, "unhighlited"  );
	document.getElementById( "td_tablist_href2" ).setAttribute( cls, "unhighlited"  );
	document.getElementById( "td_tablist_href3" ).setAttribute( cls, "unhighlited"  );

	//  highlite tab text, use default style
	document.getElementById( "td_tablist_href" + id ).setAttribute( cls, ""  );
}


function changeTab( id ) {
	//  change tab background
	if( id == 1 ) {
		document.getElementById( "td_tablist" ).style.background = "url(http://hst.tradedoubler.com/file/20649/cms/mtab_1_advertisers.gif)";
	}
	else if( id == 2 ) {
		document.getElementById( "td_tablist" ).style.background = "url(http://hst.tradedoubler.com/file/20649/cms/mtab_2_publishers.gif)";
	}
	else if( id == 3 ) {
		document.getElementById( "td_tablist" ).style.background = "url(http://hst.tradedoubler.com/file/20649/cms/mtab_3_agencies.gif)";
	}

	setTextFocus( id );
	showBullets( id );
}