// JavaScript Document

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function HideWhite () {
	document.getElementById('white').style.visibility = "visible";
}
function ShowWhite () {
	document.getElementById('white').style.visibility = "hidden";
}

function lib_bwcheck(){
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent
	this.dom=document.getElementById?1:0
	this.opera5=this.agent.indexOf("Opera 5")>-1
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
	this.ie7=(this.ver.indexOf("MSIE 7")>-1 && this.dom && !this.opera5)?1:0;
	this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6||this.ie7
	this.mac=this.agent.indexOf("Mac")>-1
	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie6 || this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
	return this
}
var bw=new lib_bwcheck()
var speed = 25
var loop, timer
function makeObj(obj,nest){
    nest=(!nest) ? "":'document.'+nest+'.'
	this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0;
  	this.css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0;
	this.scrollHeight=bw.ns4?this.css.document.height:this.el.offsetHeight
	this.clipHeight=bw.ns4?this.css.clip.height:this.el.offsetHeight
	this.up=goUp;this.down=goDown;
	this.moveIt=moveIt; this.x=0; this.y=0;
    this.obj = obj + "Object"
    eval(this.obj + "=this")
    return this
}
var px = bw.ns4||window.opera?"":"px";
function moveIt(x,y){
	this.x = x
	this.y = y
	this.css.left = this.x+px
	this.css.top = this.y+px
}
function goDown(move){
	if (this.y>-this.scrollHeight+oCont.clipHeight){
		this.moveIt(0,this.y-move)
			if (loop) setTimeout(this.obj+".down("+move+")",speed)
	}
}
function goUp(move){
	if (this.y<0){
		this.moveIt(0,this.y-move)
		if (loop) setTimeout(this.obj+".up("+move+")",speed)
	}
}
function scroll(speed){
	if (scrolltextLoaded){
		loop = true;
		if (speed>0) oScroll.down(speed)
		else oScroll.up(speed)
	}
}
function noScroll(){
	loop = false
	if (timer) clearTimeout(timer)
}
var scrolltextLoaded = false

function scrolltextInit(){
	oCont = new makeObj('scroll')
	oScroll = new makeObj('scrolltext','scroll')
	oScroll.moveIt(0,0)
	oCont.css.visibility = "visible"
	scrolltextLoaded = true
}

function scrolltextInitPics(){
	oCont = new makeObj('scrollpics')
	oScroll = new makeObj('scrolltextpics','scrollpics')
	oScroll.moveIt(0,0)
	oCont.css.visibility = "visible"
	scrolltextLoaded = true
}

function pruefenkontakt()
{
 res = true;
 a = document.formkontakt;
 if(a.name.value == ''){res = false;}
 if(a.telefon.value == ''){res = false;}
 reg1 = new RegExp('([0-9])+');
 if(reg1.test(a.telefon.value) == false){res = false;}
 if(a.email.value == ''){res = false;}
 reg2 = new RegExp('^([a-zA-Z0-9\\-\\.\\_]+)'+
                  '(\\@)'+
                  '([a-zA-Z0-9\\-\\.]+)'+
				  '([a-zA-Z0-9\\-\\.]+)'+
                  '(\\.)'+       
                  '([a-zA-Z]{2,4})$');
 if(reg2.test(a.email.value) == false){res = false;}
 if(a.anfrage.value == ''){res = false;}
 if(res == false){alert('Bitte füllen Sie alle Felder korrekt aus!')}
return res;
}

function changeBtn(mode) { 
    switch(mode) { 
       case 0: 
          document.getElementById('btn_senden').src="graphics/btn_senden_over.gif"
          break; 
       case 1: 
          document.getElementById('btn_senden').src="graphics/btn_senden.gif" 
          break; 
    } 
}