function openWindow(theURL,winName,features) { //v2.0
window.open(theURL,winName,features);
}




function showLayers(show,hide){
	document.getElementById(show).style.visibility = "visible";
	document.getElementById(show).style.display = "block";

	document.getElementById(hide).style.visibility = "hidden";
	document.getElementById(hide).style.display = "none";

}