function SwitchDivs(divNameBase,showWhich) {
	var el;
	el = document.getElementById(divNameBase+'_1');
	if (el!=null && showWhich==-1)
		showWhich = (el.style.display=='none')?1:0;
	if (el!=null) el.style.display = (showWhich)?'block':'none';
}

function SwitchSite(siteName) {
	
//Photos	
	SwitchDivs('siteUnit01',siteName=='Unit01');
	SwitchDivs('siteUnit02',siteName=='Unit02');
	SwitchDivs('siteUnit03',siteName=='Unit03');
	
}