function slide (richtung) {
	if (document.all)
   		var SlideWindow = document.all.SlideWindow; 
 	else if (document.layers)
   		var SlideWindow = document.SlideWindow;
 	else if (document.getElementById)
   		var SlideWindow = document.getElementById('SlideWindow');
			
		var MarginLeft = SlideWindow.style.marginLeft;
		var Abstand = 298;
		var AnzBoxen = 2;
			
			
		var SlideBoxes = SlideWindow.getElementsByTagName("div");
		var gesMaxMarginLeft = 0;
			
		for (var i=0; i < SlideBoxes.length; i++) {
			var maxMarginLeft = SlideBoxes[i].style.width;
			var maxMarginLeftZ = maxMarginLeft.split("px");
				
			maxMarginLeftZ[0] *= 1;
			gesMaxMarginLeft = gesMaxMarginLeft + maxMarginLeftZ[0];
				
		}
		gesMaxMarginLeft = (gesMaxMarginLeft) -  ( AnzBoxen * Abstand);
		gesMaxMarginLeft = gesMaxMarginLeft - (2 * gesMaxMarginLeft);
		if(richtung == 'vor') {						
			MarginLeftZ = MarginLeft.split("px");
			MarginLeftZ[0]  *= 1;
			if(MarginLeftZ[0] != gesMaxMarginLeft){
				MarginLeft = MarginLeftZ[0] + -Abstand;
				SlideWindow.style.marginLeft = MarginLeft + "px";
			}
		}
		if(richtung == 'zurueck') {
			MarginLeftZ = MarginLeft.split("px");
			MarginLeftZ[0]  *= 1;
			if(MarginLeftZ[0] < 0 ) {
				MarginLeft = MarginLeftZ[0] + Abstand + "px";
				SlideWindow.style.marginLeft = MarginLeft;
			}
		}
	}
	
	function showHide(boxID, ShowDivID) {
		if(document.getElementById(boxID)){
			var BoxID = document.getElementById(boxID); 
				
			var DIV = BoxID.getElementsByTagName("div");
			for (var i=0; i < DIV.length; i++) {
				if(DIV[i].id == ShowDivID){
					if(DIV[i].style.display == 'block') {
						DIV[i].style.display = 'none';
						DIV[i].parentNode.style.background = 'url(./pictures/navi/arrowB.gif) left top no-repeat';
					}
					else {
						DIV[i].style.display = 'block';
						DIV[i].parentNode.style.background = 'url(./pictures/navi/arrowBDown.gif) left top no-repeat';
					}
				}
				else {
					DIV[i].style.display = 'none';
					DIV[i].parentNode.style.background = 'url(./pictures/navi/arrowB.gif) left top no-repeat';
				}
				}
				
			}
			else {
				return false;
			}
			
			
		}
		
		
		function pruefen(){
   			var formular = document.kontaktForm;
			var errorText = 0;
			
			var vornameError = document.getElementById('vornameError');
			var nachnameError = document.getElementById('nachnameError');
			var strasseError = document.getElementById('strasseError');
			var plzOrtError = document.getElementById('plzOrtError');
			var eMailError = document.getElementById('eMailError');
			var nachrichtError = document.getElementById('nachrichtError');
			
			
			
			if (formular.vorname.value==""){
   				errorText = 1;
				formular.vorname.style.border = "1px solid #9FC000";
				//vornameError.style.display = 'block';
				vornameError.innerHTML = '<strong class="fgreen">Das Feld Vorname muss ausgef&uuml;llt werden!</strong>';
			}
			else {
				vornameError.innerHTML = '<img src="pictures/spacer/spacer.gif" height="1" width="1">';
				formular.vorname.style.border = '1px solid #AFD8ED';
			}
			
			if(formular.nachname.value == ""){
				errorText = 1;
				formular.nachname.style.border = "1px solid #9FC000";
				nachnameError.innerHTML = '<strong class="fgreen">Das Feld Nachname muss ausgef&uuml;llt werden!</strong>';
				
			}
			else {
				nachnameError.innerHTML = '<img src="pictures/spacer/spacer.gif" height="1" width="1">';
				formular.nachname.style.border = '1px solid #AFD8ED';
			}
			
			
			if(formular.strasse.value == ""){
				errorText = 1;
				formular.strasse.style.border = "1px solid #9FC000";
				strasseError.innerHTML = '<strong class="fgreen">Das Feld Stra&szlig;e muss ausgef&uuml;llt werden!</strong>';
					
			}
			else {
				strasseError.innerHTML = '<img src="pictures/spacer/spacer.gif" height="1" width="1">';
				formular.strasse.style.border = '1px solid #AFD8ED';
			}
			
			
			if(formular.plzOrt.value == ""){
				errorText = 1;
				formular.plzOrt.style.border = "1px solid #9FC000";
				plzOrtError.innerHTML = '<strong class="fgreen">Das Feld PLZ/Ort muss ausgef&uuml;llt werden!</strong>';
			}
			else {
				plzOrtError.innerHTML = '<img src="pictures/spacer/spacer.gif" height="1" width="1">';
				formular.plzOrt.style.border = '1px solid #AFD8ED';
			}
			
			
			if(formular.eMail.value == ""){
				errorText = 1;
				formular.eMail.style.border = "1px solid #9FC000";
				eMailError.innerHTML = '<strong class="fgreen">Das Feld eMail muss ausgef&uuml;llt werden!</strong>';
			}
			else {
				eMailError.innerHTML = '<img src="pictures/spacer/spacer.gif" height="1" width="1">';
				formular.eMail.style.border = '1px solid #AFD8ED';
			}
			
			
			if(formular.nachricht.value == ""){
				errorText = 1;
				formular.nachricht.style.border = "1px solid #9FC000";
				nachrichtError.innerHTML = '<strong class="fgreen">Das Feld Nachricht muss ausgef&uuml;llt werden!</strong>';
			}
			else {
				nachrichtError.innerHTML = '<img src="pictures/spacer/spacer.gif" height="1" width="1">';
				formular.nachricht.style.border = '1px solid #AFD8ED';
			}
			
			
           
		   if(errorText == 1){
				return false;
			}
			else {
   				return true;
			}
		}