var submenuDisplayed = true;

function overMe(){
	document.getElementById("submenu").style.display = "block";
	submenuDisplayed = true;
}
function outMe(){
	document.getElementById("submenu").style.display = "none";
	submenuDisplayed = false;
}
function toggleDisplay(e){
	var targ;
	if (!e) var e = window.event;
	if (e.target) targ = e.target;
	else if (e.srcElement) targ = e.srcElement;
	myNo = targ.id.substring(6, targ.id.length);
	tableRowDisplay = document.all ? "block" : "table-row";
	mySubcontent = document.getElementById("subContent"+myNo);
	if (mySubcontent) {
		if(mySubcontent.style.display==tableRowDisplay){
			mySubcontent.style.display = "none";
			targ.className = "";
		} else {
			mySubcontent.style.display = tableRowDisplay;
			targ.className = "up";
		}
	}
	return false;
}

function eventInit(){
	// initiate menu
	if(document.getElementById("submenu") && document.getElementById("sMenu")){
		document.getElementById("submenu").style.display = "none";
		document.getElementById("submenu").onmouseover = overMe;
		document.getElementById("submenu").onmouseout = outMe;
		document.getElementById("sMenu").onmouseover = overMe;
		document.getElementById("sMenu").onmouseout = outMe;
		submenuDisplayed = false;
	}
	// disable subContents
	if (document.getElementById("subContent1")){
		for(i=1;document.getElementById("subContent"+i);i++){
			document.getElementById("subContent"+i).style.display = "none";
		}
	}
	// enable links
	if (document.getElementById("scLink1")){
		for(i=1;document.getElementById("scLink"+i);i++){
			document.getElementById("scLink"+i).onclick = toggleDisplay;
		}
	}
}

onload = eventInit;

function openThis(page){
	var myWidth = 600; var _width = 0; var centered_width = 0; _width = screen.availWidth;
	var myHeight = 460; var _height = 0; var centered_height = 0; _height = screen.availHeight;
	if (_width>myWidth) centered_width = (_width-myWidth)/2;
	if (_height>myHeight) centered_height = (_height-myHeight)/2;
	viewer = window.open(page,"viewer","top="+centered_height+",left="+centered_width+",status=yes,scrollbars=yes,menubar=no,resizable=yes,width="+myWidth+",height="+myHeight);
	viewer.focus();
}