var prevDivDisplayed=null;
var prevMapDisplayed=null;

 function popups(page) 
  {
    window.open(page,"popup","width=400,height=400,toolbar=false,scrollbars=true,resizable=true");
  }
function showAgency(item) {
	if(document.getElementById) {
		if(prevDivDisplayed != null)prevDivDisplayed.style.display="none";
		var div=eval("document.getElementById(\""+item+"\")");
		div.style.display="block";
		prevDivDisplayed=div;
	}
}

function showMap(item) {
	if(document.getElementById) {
		if(prevMapDisplayed != null)prevMapDisplayed.style.display="none";
		var map=eval("document.getElementById(\""+item+"\")");
		map.style.display="block";
		prevMapDisplayed=map;
	}
}