function tabSwitch(onArea){
	//turn all off
	area0 = document.getElementById('tabsContent0');
	area0.style.display = "none";
	area1 = document.getElementById('tabsContent1');
	area1.style.display = "none";
	area2 = document.getElementById('tabsContent2');
	area2.style.display = "none";
	area3 = document.getElementById('tabsContent3');
	area3.style.display = "none";
	area4 = document.getElementById('tabsContent4');
	area4.style.display = "none";
	area5 = document.getElementById('tabsContent5');
	area5.style.display = "none";
	area6 = document.getElementById('tabsContent6');
	area6.style.display = "none";

	//turn rolled item on
	switchOn = document.getElementById('tabsContent'+onArea);
	switchOn.style.display = "block";
	
	//switch all tabs back to off
	tab1 = document.getElementById('tab1');
	tab1.src = "images/homeButt1.gif";
	tab2 = document.getElementById('tab2');
	tab2.src = "images/homeButt2.gif";
	tab3 = document.getElementById('tab3');
	tab3.src = "images/homeButt3.gif";
	tab4 = document.getElementById('tab4');
	tab4.src = "images/homeButt4.gif";
	tab5 = document.getElementById('tab5');
	tab5.src = "images/homeButt5.gif";
	tab6 = document.getElementById('tab6');
	tab6.src = "images/homeButt6.gif";
		
	if (onArea!='0') {
	//turn rolled tab on
	tabOn = document.getElementById('tab'+onArea);
	tabOn.src = "images/homeButt" + onArea + "_on.gif";
	}
	return false;
}