var ids = new Array("centerFrame","projectFrame","dataprovidersFrame","ornldaacwindow","carbonseqwindow","oceanwindow","edorawindow", "nbiiwindow", "lbawindow","daddiwindow","mastdcwindow","usanpnwindow","cdiacwindow","narstowindow","iabinwindow","iaiwindow","consortiumFrame");
function switchid(id) {
	hideallids();
	showdiv(id);
}
function hideallids() {
	//loop through the array and hide each element by id
	for (var i = 0; i < ids.length; i++) {
		hidediv(ids[i]);
	}
}
function hidediv(id) {
	//safe function to hide an element with a specified id
	//document.getElementById(ids[2]).style.display = 'none';	
	if (document.getElementById) {
		document.getElementById(id).style.display = "none";
	} else {
		if (document.layers) {
			document.id.display = "none";
		} else {
			document.all.id.style.display = "none";
		}
	}
}
function showdiv(id) {
     
	//safe function to show an element with a specified id
	if (document.getElementById) {
			
		if (id == "projectFrame"){
		document.getElementById("ornldaacwindow").style.display = "block";
		document.getElementById("nbiiwindow").style.display = "block";
		document.getElementById("lbawindow").style.display = "block";
		document.getElementById("daddiwindow").style.display = "block";
		document.getElementById("mastdcwindow").style.display = "block";
		document.getElementById("usanpnwindow").style.display = "block";
		document.getElementById("cdiacwindow").style.display = "block";
		document.getElementById("narstowindow").style.display = "block";
		document.getElementById("iabinwindow").style.display = "block";
		document.getElementById("iaiwindow").style.display = "block";
		document.getElementById("edorawindow").style.display = "block";
		document.getElementById("oceanwindow").style.display = "block";
		document.getElementById("carbonseqwindow").style.display = "block";
		}
		else{
		document.getElementById(id).style.display = "block";
		}
	}
	
	
	else {
		if (document.layers) {
			document.id.display = "block";
		}
	}
}