// JavaScript Document
var version=navigator.appVersion.charAt(0);
var op=navigator.userAgent.indexOf("Opera"); 

function MM_reloadPage(init) { //reloads the window if Nav4 resized
	if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
		document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
	else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

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_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' bitte angeben\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' angeben\n'; }
  } if (errors) alert('Fehlende Angaben:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function MM_showHideLayers() { //v6.0
	var i,p,v,obj,args=MM_showHideLayers.arguments;
	for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
		if (obj.style) {
			obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v;
		}
		obj.visibility=v;
	}
}

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_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 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_openBrWindow(theURL,winName,features) { //v2.0
	window.open(theURL,winName,features);
}

function SK_closeAllSubNavs (){
	MM_showHideLayers('l1_lieferprogramm','','hide','l2_laborbau','','hide','l2_ventilatoren','','hide','l2_galvano','','hide','l3_laborbau_abluftwaescher','','hide','l3_laborbau_labor-neutra','','hide','l3_ventilatoren_laborventilatoren','','hide','l3_ventilatoren_galvanoventilatoren','','hide','l3_galvano_makroaetzanlagen','','hide','l1_ausschreibungstexte','','hide','l2_asabluftwaescher','','hide','l2_asneutralisationsanlagen','','hide','l2_asventilatoren','','hide','l3_laborbau_labor-abklinganlagen','','hide','l3_laborbau_labor-sammelstationen','','hide','l1_info','','hide');
}

//Zur Kompatibilitaet mit den alten Seiten. bald ersetzen durch erweitertes Skript.
function custom_print() {
	print();
}
//---------- Die Layer-Scroll-Funktion ---------//

function verifyCompatibleBrowser(){ 
    this.ver=navigator.appVersion 
    this.dom=document.getElementById?1:0 
    this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0; 
    this.ie4=(document.all && !this.dom)?1:0; 
    this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
 
    this.ns4=(document.layers && !this.dom)?1:0; 
    this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5) 
    return this 
} 
bw=new verifyCompatibleBrowser() 
 
 
var speed=50 
 
var loop, timer 
 
function ConstructObject(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=MoveAreaUp;this.down=MoveAreaDown; 
    this.MoveArea=MoveArea; this.x; this.y; 
    this.obj = obj + "Object" 
    eval(this.obj + "=this") 
    return this 
} 
function MoveArea(x,y){ 
    this.x=x;this.y=y 
    this.css.left=this.x 
    this.css.top=this.y 
} 
 
function MoveAreaDown(move){ 
	if(this.y>-this.scrollHeight+objContainer.clipHeight){ 
    this.MoveArea(0,this.y-move) 
    if(loop) setTimeout(this.obj+".down("+move+")",speed) 
	} 
} 
function MoveAreaUp(move){ 
	if(this.y<0){ 
    this.MoveArea(0,this.y-move) 
    if(loop) setTimeout(this.obj+".up("+move+")",speed) 
	} 
} 
 
function PerformScroll(speed){ 
	if(initialised){ 
		loop=true; 
		if(speed>0) objScroller.down(speed) 
		else objScroller.up(speed) 
	} 
} 
 
function CeaseScroll(){ 
    loop=false 
    if(timer) clearTimeout(timer) 
} 

var initialised; 

function InitialiseScrollableArea(){ 
    objContainer=new ConstructObject('divContainer') 
    objScroller=new ConstructObject('divContent','divContainer') 
    objScroller.MoveArea(0,0) 
    objContainer.css.visibility='visible' 
    initialised=true; 
}

//----------------------------------------------------------------------------

var r = 80;				// radius
var pi = Math.PI;		// pi
var a=-1;				// Startwinkel
var breite, hoehe;
var Bildbreite=140, Bildhoehe=80;

var lay1,lay2,lay3;

function abfrage ()
{
	breite=400;
	if (op>-1)
	{
//		alert("Opera-Mode!");
		
		lay1=document.getElementById("anim_chemie").style;
		lay2=document.getElementById("anim_laborbau").style;
		lay3=document.getElementById("anim_galvano").style;
		hoehe=800;
	}
	if (navigator.appName=='Netscape' && parseInt(version)==4)
	{
//		alert("NS4-Mode!");

		lay1=window.document.anim_chemie;
		lay2=window.document.anim_laborbau;
		lay3=window.document.anim_galvano;
		hoehe=750;
	}
	if (navigator.appName=='Microsoft Internet Explorer' && parseInt(version)>=4)
	{
//		alert("IE4-Mode!");

		lay1=anim_chemie.style;
		lay2=anim_laborbau.style;
		lay3=anim_galvano.style;
		hoehe=750;
	}
	if (navigator.appName=='Netscape' && parseInt(version)>=5)
	{
//		alert("NS5-Mode!");

		lay1=document.getElementById("anim_chemie").style;
		lay2=document.getElementById("anim_laborbau").style;
		lay3=document.getElementById("anim_galvano").style;
		hoehe=window.innerHeight;
	}
	rotation();
}

function rotation ()
{
	a++;
	if (a>=360){a-=360;}

	if (navigator.appName=='Microsoft Internet Explorer' && parseInt(version)>=4)
	{
	  lay1.left=(r * Math.cos(a*(pi/180))) + breite/2-Bildbreite/2;
	  lay1.top=(r * Math.sin(a*(pi/180))) + hoehe/2-Bildhoehe/2;
	  lay2.left=(r * Math.cos((a+120)*(pi/180))) + breite/2-Bildbreite/2;
	  lay2.top=(r * Math.sin((a+120)*(pi/180))) + hoehe/2-Bildhoehe/2;
	  lay3.left=(r * Math.cos((a+240)*(pi/180))) + breite/2-Bildbreite/2;
	  lay3.top=(r * Math.sin((a+240)*(pi/180))) + hoehe/2-Bildhoehe/2;
	}else{
		lay1.setProperty('left',((r * Math.cos(a*(pi/180))) + breite/2-Bildbreite/2)+'px',null);
		lay1.setProperty("top",((r * Math.sin(a*(pi/180))) + hoehe/2-Bildhoehe/2)+'px',null);
		lay2.setProperty("left",((r * Math.cos((a+120)*(pi/180))) + breite/2-Bildbreite/2)+'px',null);
		lay2.setProperty("top",((r * Math.sin((a+120)*(pi/180))) + hoehe/2-Bildhoehe/2)+'px',null);
		lay3.setProperty("left",((r * Math.cos((a+240)*(pi/180))) + breite/2-Bildbreite/2)+'px',null);
		lay3.setProperty("top",((r * Math.sin((a+240)*(pi/180))) + hoehe/2-Bildhoehe/2)+'px',null);	
	}

	window.setTimeout ('rotation()', 75);
}