var browserName = navigator.appName; // Get Browser Name
var browserVer = parseInt(navigator.appVersion); // Get Browser Version
var hidden = "hidden"; // Browser specific Verbage to tell DHTML Layers to turn off and on
var visible = "visible"; // Same

var openMenu; // Stores The Open Menu

var subnav_menu = new Array("subnav_about_us","subnav_events_and_programs","subnav_what_the_experts_say","subnav_teachers_and_students");
// This Function Takes An Object ID and returns a "Handle " Based on what Browser is detected
function getObj(id) {
	if (browserName == "Netscape" && browserVer <= 4){
		netSuck=1;
	  	hidden = "hide";
  		visible = "show"
		return document.layers[id];
	} else if (browserName == "Netscape" && browserVer > 4) {
    		return document.getElementById(id).style;
	} else {
    		return document.getElementById(id).style;
	}
}


// This Function Shows the Menu Object 'menu'
// It also talks to the Flash Object
function showMenu(menu){

test = openMenu + " is " + menu;

//alert(test);


//document.title=menu;

//hide all menus

	for (i=0; i<4; i++) {
		hideMenu(subnav_menu[i]);
	}
	
	if (menu!="none") {
		var menuObj = getObj(menu);	

		if (openMenu != menu) {
			menuObj.visibility = visible;
			openMenu=menu;
		} else openMenu="none";
		
	} else openMenu="none";
	
}


function hideMenu(menu){
	var menuObj = getObj(menu);	
	menuObj.visibility = hidden;
}

function smallPage(page, H, W) {

	var window_top = 10;
	var window_left = 10;

	if (window.screen.availHeight){
      window_top = (window.screen.availHeight / 2) - (H / 2) - 10;
      window_left = (window.screen.availWidth / 2) - (W / 2) - 10;
      }

	var settings = "toolbar=NO,menubar=NO,location=NO,scrollbars=YES,resizable=YES,HEIGHT="+H+",WIDTH="+W;
	OpenWin = this.open(page, H, settings);
	OpenWin.focus();
}