// JavaScript Document
function JSddMenu(ShowLayer) {
	var oElems = document.getElementsByTagName("div");
	for (var i = 0; i < oElems.length; i++) {
		if (oElems[i].id.indexOf("div_nav_") > -1) {
			if (oElems[i].id != "div_nav_" + ShowLayer) 
				oElems[i].style.visibility = "hidden";
			else  
				oElems[i].style.visibility = "visible";
		}
	}
}
function JSddTrailer(ShowLayer) {
	var oElems = document.getElementsByTagName("div");
	for (var i = 0; i < oElems.length; i++) {
		if (oElems[i].id.indexOf("div_tra_") > -1) {
			if (oElems[i].id != "div_tra_" + ShowLayer) 
				oElems[i].style.display = "none";
			else  
				oElems[i].style.display = "block";
		}
	}
}
function ChangeCss(sID, sClassName, oTd, sClassTd) {
	document.getElementById(sID).className = sClassName;
	oTd.className = sClassTd;
}
function FP_swapImgRestore() {//v1.0
 var doc=document,i; if(doc.$imgSwaps) { for(i=0;i<doc.$imgSwaps.length;i++) {
  var elm=doc.$imgSwaps[i]; if(elm) { elm.src=elm.$src; elm.$src=null; } } 
  doc.$imgSwaps=null; }
}

function FP_swapImg() {//v1.0
 var doc=document,args=arguments,elm,n; doc.$imgSwaps=new Array(); for(n=2; n<args.length;
 n+=2) { elm=FP_getObjectByID(args[n]); if(elm) { doc.$imgSwaps[doc.$imgSwaps.length]=elm;
 elm.$src=elm.src; elm.src=args[n+1]; } }
}

function FP_preloadImgs() {//v1.0
 var d=document,a=arguments; if(!d.FP_imgs) d.FP_imgs=new Array();
 for(var i=0; i<a.length; i++) { d.FP_imgs[i]=new Image; d.FP_imgs[i].src=a[i]; }
}

function FP_getObjectByID(id,o) {//v1.0
 var c,el,els,f,m,n; if(!o)o=document; if(o.getElementById) el=o.getElementById(id);
 else if(o.layers) c=o.layers; else if(o.all) el=o.all[id]; if(el) return el;
 if(o.id==id || o.name==id) return o; if(o.childNodes) c=o.childNodes; if(c)
 for(n=0; n<c.length; n++) { el=FP_getObjectByID(id,c[n]); if(el) return el; }
 f=o.forms; if(f) for(n=0; n<f.length; n++) { els=f[n].elements;
 for(m=0; m<els.length; m++){ el=FP_getObjectByID(id,els[n]); if(el) return el; } }
 return null;
}
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 SwapImage(sImgName,sSource) {
	var oImg;
	oImg = document.images[sImgName]
	if (oImg != null) {
		oImg.src= sSource;
	}
}
function PreloadImages() { //v3.0
  MM_preloadImages('../images/header/but_home_o.gif','../images/header/but_mail_o.gif','../images/nav/Unternehmen_o.gif','../images/nav/Dachdeckerei_o.gif','../images/nav/Spenglerei_o.gif','../images/nav/Flachdach_o.gif','../images/nav/Fassade_o.gif','../images/nav/Solar_o.gif','../images/nav/Referenzen_o.gif','../images/nav/Kontakt_o.gif')
}
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_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 eine gültige Email-Adresse eingeben.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' Bitte eine Nummer eingeben.\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+' Bitte eine Nummer zwischen '+min+' und '+max+' eingeben.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' wird benötigt.\n'; }
  } if (errors) alert('Folgender Fehler ist aufgetreten:\n'+errors);
  document.MM_returnValue = (errors == '');
}