var ns4 = (document.layers) ? true : false;
var ie4 = (document.all) ? true : false;
var dom = (document.getElementById) ? true : false;
var ForwardTimer;
var Waittime = 0;

/*_____________________________________
	Usefull string extensions. 
	Defined one, works ever :-))
_____________________________________*/
String.prototype.leftTrim = function() {
	return (this.replace(/^\s+/,""));
};

String.prototype.rightTrim = function() {
	return (this.replace(/\s+$/,""));
};

//kombiniert "leftTrim" und "rightTrim";
String.prototype.Trim = function() {
	return (this.replace(/\s+$/,"").replace(/^\s+/,""));
};

//dampft leerzeichen(-sequenzen) innerhalb einer zeichenkette auf ein einzelnes "space" ein;
String.prototype.fullTrim = function() {
	return(this.replace(/\s+/g," ").replace(/\s+$/,"").replace(/^\s+/,""));
};

//zugabe: entfernt alle leerzeichen aus einer zeichenkette;
String.prototype.removeWhiteSpaces = function() {
	return (this.replace(/\s+/g,""));
};

// Stringcompare indenpendant of the capitalization
String.prototype.compare = function(szComp) {
	return (this.toLowerCase() == szComp.toLowerCase());
};

/*************************************************************
	Special functions
**************************************************************/

/*_____________________________________
	Sets a button with the id "number". if Number is 
	0 we look for the gien parameter
_____________________________________*/
function SetButton(number) {
	var element;

	if( number == 0) number = getLabelNumber();

	element = document.getElementById(String(number));
	if(element) element.setAttribute("CLASS", "over");
}

/*_____________________________________
	Call from onload event
_____________________________________*/
function SetOutlineEntry(AliasName) {
	var LabelName = getLabelName(AliasName);
	var i=0;
	var ii=0;
	var element=null;
	var attribute=null;
	
	do {
		element = document.getElementById(String(++i));
		if(element){
			if ( element.firstChild.nodeValue == LabelName) {
				element.className = "over";	//setAttribute("Class", "over");
			}
		}
	} while (element)
}

/*_____________________________________
	Call from external frame
_____________________________________*/
function ButtonPressed(url, number) {
	var element, frame;
	var i=0;
	var type="";
	
	// Rest all other Menu Items to standard	
	do {
		i++;
		element = document.getElementById(String(i));
		if(element) {
			if ( String(i) != number) {
				element.className = "menu";
			} else {
				type = URLs[i-1].split("|")[2];
			}
		}
	} while (element)

	// appendURL (if the url contains no protocol !!!)
	if ( !url.match(/^http:/i) ) {
		url = document.location.protocol + "//" + location.hostname + url;
	}
		
	// Call URL
	if(url.length > 0) {
		if(type.length == 0 || type.match(/_top/i) ) {
			parent.location.href=url;
		} else {
			frame = parent.document.getElementsByName(type)[0];
			frame.src=url;			
		}
	}
}

/*_____________________________________
	This function gets from the Aliasname the 
	Labelname 
_____________________________________*/
function getLabelName(AliasName) {
	var i=0;
	
	while( i < Lookup.length > 0 ) {
		if( Lookup[i].split(':')[0].toLowerCase() == AliasName.toLowerCase() ) 	return Lookup[i].split(':')[1];
		i++;
	}
}

/* _____________________________________
	Set the appropriate Outline entry which comes 
	in via URL Parameter (outline aliasName)
_____________________________________*/
function getLabelNumber() {
	var LabelName = "";
	var AliasName = "";
	var i = 0;

	AliasName = top.location.href.split('&')[1];
	while( i < Lookup.length > 0 && LabelName == '' ) {
		if( Lookup[i].split(':')[0].toLowerCase() == AliasName.toLowerCase() ) {
			LabelName = Lookup[i].split(':')[1];
			return i + 1;
		}
		i++;
	}
}

/*_____________________________________
	Create a new window
_____________________________________*/
function createWindow(cUrl,cName,cFeatures) {
	var xWin = window.open(cUrl,cName,cFeatures);
}

/*_____________________________________
	Make a break
_____________________________________*/
function makeBreak()
{
	if(parent.VerticalMenu)
		return '';
	else
		return '<BR>';
}

/*_____________________________________
	Goto link
_____________________________________*/
function Go_Link()
{
	var URL =  location.href.split('.nsf')
	location.href =  URL[0] + '.nsf/ContentFramed/' + URL[1].split('/')[2];
}

/*_____________________________________
	Show or hide a html element with the id "feld"
	depending of the boolean value "z"
_____________________________________*/
function setLink(feld,z)
{
	var tmp;
	
	if(ie4) {
		tmp = document.all[feld];
		(z) ? tmp.style.visibility = "visible" : tmp.style.visibility = "hidden";
		return true;
	}
	if(ns4) {
		tmp = document.layers[feld];
		(z) ? tmp.visibility = "show" : tmp.visibility = "hide";
		return true;
	}
	if(dom) {
		var tmp = document.getElementById(feld);
		(z) ? tmp.style.visibility = "visible" : tmp.style.visibility = "hidden";
		return true;
	}
}

/*_____________________________________
	Will be used by opening a special document for 
	downloading
_____________________________________*/
function doDownload(link) {
	var contr1 = link.split('$file/');
	if(contr1[1])
	{
		document.forms[0].FileInfo.value = contr1[1].split("?");
		var newlink = "../(NotifyDownload)?openAgent";
		location.href = newlink;
	}
	window.open(link,"SateliteWindow");
}

function forward() {
	// Start timer, if ForwardTime > 0
	if (ForwardTime > 0) {
		ForwardTimer = window.setInterval("WaitTillForward()",1000);
	}
}

function WaitTillForward() {
	// Will forward one second earlier the the META HTTP-EQUIV, if JavaScript doesn't Work
	if (Waittime >= ForwardTime - 1) {
		window.clearInterval(ForwardTimer);
		window.location.href = ForwardPage;
	} else {
		Waittime++;
	}
}

// Looking, if we hav an active java
function detectJava() {
	var version;

	if( !navigator.javaEnabled()) {
		return false;
	} else {
		version = document.applets[0];
		if (!version)		
			return true;
		else if(version.object == null) 
			return false;
		else
			return true;
	}
}

// Loading a new page in a existing frame Frame depening on the given parameters
function reloadFrame(Frame, Username, Page) {
	for(i=0; i<parent.frames.length;i++) {
		if(parent.frames[i].name.compare(Frame) ) {
			if(Username.length == 0 | parent.frames[i].document.forms[0].Username.value.compare(Username)) {
				array = parent.frames[i].location.href.split("/");
				array.pop();
				parent.frames[i].location.href=array.join("/") + "/Navigation?OpenPage";
				return;
			}
		}
	}	
}