function display(id, display1) {
	var div1 = document.getElementById(id);
         div1.style.display = display1;
}
function display2(id) {
	var div1 = document.getElementById(id);
         if(div1.style.display == 'block'){
         	div1.style.display = 'none';
         }
         else{
         	div1.style.display = 'block';
         }
}

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 = 170;
	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 pruefen(){
	var formular = document.Shop;
	var errorText = 0;
	var vornameError = document.getElementById('labelVorname');
	var nachnameError = document.getElementById('labelNachname');
         var StrasseError = document.getElementById('labelStr');
         var PlzError = document.getElementById('labelPlz');
         var OrtError = document.getElementById('labelOrt');
         var TelError = document.getElementById('labelTel');


         if (formular.Name.value == ""){
		errorText = 1;
		formular.Name.style.border = "1px solid #D6730C";
                 formular.Name.focus();
		vornameError.innerHTML = 'Vorname &nbsp;&nbsp;<strong class="forange">Das Feld Vorname muss ausgef&uuml;llt werden!</strong>';
	}
	else {
		vornameError.innerHTML = 'Vorname';
		formular.Name.style.border = '1px solid #B6B6B6';
	}

         if(formular.Name_2.value == ""){
		errorText = 1;
		formular.Name_2.style.border = "1px solid #9FC000";
                 formular.Name_2.focus();
		nachnameError.innerHTML = 'Nachname &nbsp;&nbsp;<strong class="forange">Das Feld Nachname muss ausgef&uuml;llt werden!</strong>';
	}
	else{
		nachnameError.innerHTML = 'Nachname';
		formular.Name_2.style.border = '1px solid #B6B6B6';
	}

         if(formular.Strasse.value == ""){
		errorText = 1;
		formular.Strasse.style.border = "1px solid #9FC000";
                 formular.Strasse.focus();
		StrasseError.innerHTML = 'Straße &nbsp;&nbsp;<strong class="forange">Das Feld Straße muss ausgef&uuml;llt werden!</strong>';
	}
	else{
		StrasseError.innerHTML = 'Straße';
		formular.Strasse.style.border = '1px solid #B6B6B6';
	}

         if(formular.Plz.value == ""){
		errorText = 1;
		formular.Plz.style.border = "1px solid #9FC000";
                 formular.Plz.focus();
		PlzError.innerHTML = 'Plz &nbsp;&nbsp;<strong class="forange">Das Feld Plz muss ausgef&uuml;llt werden!</strong>';
	}
	else{
		PlzError.innerHTML = 'Plz';
		formular.Plz.style.border = '1px solid #B6B6B6';
	}

         if(formular.Ort.value == ""){
		errorText = 1;
		formular.Ort.style.border = "1px solid #9FC000";
                 formular.Ort.focus();
		OrtError.innerHTML = 'Ort &nbsp;&nbsp;<strong class="forange">Das Feld Ort muss ausgef&uuml;llt werden!</strong>';
	}
	else{
		OrtError.innerHTML = 'Ort';
		formular.Ort.style.border = '1px solid #B6B6B6';
	}

         if(formular.Tel.value == ""){
		errorText = 1;
		formular.Tel.style.border = "1px solid #9FC000";
                 formular.Tel.focus();
		TelError.innerHTML = 'Telefon &nbsp;&nbsp;<strong class="forange">Das Feld Telefon muss ausgef&uuml;llt werden!</strong>';
	}
	else{
		TelError.innerHTML = 'Telefon';
		formular.Tel.style.border = '1px solid #B6B6B6';
	}

         var check = false;
	for(i = 0; i < formular.Bezahlweise.length; i++) {
		if(formular.Bezahlweise[i].checked == true) {
			check = true;
		}
         }
         if(check == false){
         	document.getElementById('zahlweiseUebers').innerHTML = 'Zahlweise <span class="forange">Sie müssen eine Zahlweise auswählen!</span>';
                 	errorText = 1;  
         }

         if(errorText == 1){
		return false;
	}
	else {
		return true;
	}
}