/* image popup -- START -- */
function openPic(url,winName,winParams)	{
	var theWindow = window.open(url,winName,winParams);
	if (theWindow) {theWindow.focus();}
}
/* image popup -- END -- */

function sfHoverOn(ctrl) {
	ctrl.className+=" sfhover";
}

function sfHoverOff(ctrl) {
	ctrl.className=ctrl.className.replace(/sfhover/, "");
}

function createBookmark(furl, titel) {
	if (window.sidebar) {
		window.sidebar.addPanel(titel, furl, "");
	} else if (window.external) {
		window.external.AddFavorite( furl, titel );
	}
}

function toggle_flyout(node) {
    if(node.getElementsByTagName('ul').length == 0) {
        return;
    }

    if(node.getElementsByTagName('ul')[0].style.display != "block") {
        node.getElementsByTagName('ul')[0].style.display = "block";
    }
    else {
        node.getElementsByTagName('ul')[0].style.display = "none";
    }
}

// browser detection
var browserName = navigator.appName;
var browserVer = parseInt(navigator.appVersion);
var version = "";
var msie4 = (browserName == "Microsoft Internet Explorer" && browserVer >= 4);
if ((browserName == "Netscape" && browserVer >= 3) || msie4 || browserName=="Konqueror" || browserName=="Opera") {version = "n3";} else {version = "n2";}

// Blurring links:
function blurLink(theObject) {
	if (msie4)	{theObject.blur();}
}

// decrypt helper function
function decryptCharcode(n,start,end,offset) {
	n = n + offset;
	if (offset > 0 && n > end)	{
		n = start + (n - end - 1);
	} else if (offset < 0 && n < start)	{
		n = end - (start - n - 1);
	}
	return String.fromCharCode(n);
}

// decrypt string
function decryptString(enc,offset) {
	var dec = "";
	var len = enc.length;
	for(var i=0; i < len; i++)	{
		var n = enc.charCodeAt(i);
		if (n >= 0x2B && n <= 0x3A)	{
			dec += decryptCharcode(n,0x2B,0x3A,offset);	// 0-9 . , - + / :
		} else if (n >= 0x40 && n <= 0x5A)	{
			dec += decryptCharcode(n,0x40,0x5A,offset);	// A-Z @
		} else if (n >= 0x61 && n <= 0x7A)	{
			dec += decryptCharcode(n,0x61,0x7A,offset);	// a-z
		} else {
			dec += enc.charAt(i);
		}
	}
	return dec;
}

// decrypt spam-protected emails
function linkTo_UnCryptMailto(s) {
	location.href = decryptString(s,-1);
}