function changeTab(tabID,sectionID)
{
	//reset all tabs
	$('ul#Tabs li').css('backgroundPosition','left top');
	$('ul#Tabs li a').css('backgroundPosition','right top');
	$('ul#Tabs li').css('z-index','100');
	
	//change tab to active state
	$('ul#Tabs li#'+tabID).css('backgroundPosition','left -74px');
	$('ul#Tabs li#'+tabID+' a').css('backgroundPosition','right -74px');
	$('ul#Tabs li#'+tabID).css('z-index','1000');
	
	//reset all sections
	$('#Content div').hide();
	//show tab content
	$('div#'+sectionID).show();
	
	if (sectionID == "MapSection")
	{
		$('#Content #MapSection div').show();
		initialize();
	}
}