if (window.addEventListener) {
	window.addEventListener("load", initSelects, false);
} else if (window.attachEvent && !window.opera) {
	window.attachEvent("onload", initSelects);
}

function initSelects()
{
	var form = document.getElementById('tsg_navi');
	var selects = form.getElementsByTagName('SELECT');
	if (selects)
	{
		for( var i=0; i < selects.length; i++ )
		{
			selects[i].onchange = togglePage;
		}
	}
}

function togglePage()
{
	if ( this.value != '' )
	{
		window.location = this.value;
	}
}