function blau(v_idname)
{
document.getElementById(v_idname).style.backgroundColor='#88BAD5';
}

function grau(v_idname)
{
document.getElementById(v_idname).style.backgroundColor='#616265';
}

//Anfahrt Bildaustausch
function rausch()
{
       setTimeout("document.getElementById('foto1').style.visibility='hidden';",3000);
       setTimeout("document.getElementById('foto2').style.visibility='visible';",3001);
       setTimeout("document.getElementById('foto2').style.visibility='hidden';",6000);
       setTimeout("document.getElementById('foto3').style.visibility='visible';",6001);
       setTimeout("document.getElementById('foto3').style.visibility='hidden';",9000);
       setTimeout("document.getElementById('foto4').style.visibility='visible';",9001);
       setTimeout("document.getElementById('foto4').style.visibility='hidden';",12000);
       setTimeout("document.getElementById('foto5').style.visibility='visible';",12001);
       setTimeout("document.getElementById('foto5').style.visibility='hidden';",15000);
       setTimeout("document.getElementById('foto1').style.visibility='visible';",15001);
       setTimeout("rausch()",15002);
}

function objekte(n, d)
{
  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=objekte(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function formularpruefung()
{
  var i,p,q,nm,test,num,min,max,errors='',args=formularpruefung.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=objekte(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+' Emailadresse erforderlich.\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+' Zahl zwischen '+min+' und '+max+' erforderlich.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' erforderlich.\n'; }
  } if (errors) alert('Folgende Fehler traten auf:\n'+errors);
  document.MM_returnValue = (errors == '');
}
