function kauf_miete()
{
var skr=document.forms.suchform['sk8'].value;
document.getElementById('tx_mm').style.color='#003366';
document.getElementById('tx_kp').style.color='#003366';
document.getElementById('eu_kp').style.color='#003366';
document.getElementById('eu_mm').style.color='#003366';
document.forms.suchform['sk4'].disabled=false;
document.forms.suchform['sk4'].style.background='white';
document.forms.suchform['sk4'].style.border='1px solid black';
document.forms.suchform['sk7'].disabled=false;
document.forms.suchform['sk7'].style.background='white';
document.forms.suchform['sk7'].style.border='1px solid black';
if (document.forms.suchform['sk3'].value=='1') 
   {document.getElementById('tx_mm').style.color='#888';
    document.getElementById('eu_mm').style.color='#888';
    document.forms.suchform['sk7'].disabled=true;
    document.forms.suchform['sk7'].style.background='#eee';
    document.forms.suchform['sk7'].style.border='1px solid #eee';
    document.forms.suchform['sk8'].length=2;
    document.forms.suchform['sk8'].options[1].text='Preis fallend';
    document.forms.suchform['sk8'].options[1].value=2;
    if (skr==2) {document.forms.suchform['sk8'].options[1].selected=true;}
    document.forms.suchform['sk8'].length=3;
    document.forms.suchform['sk8'].options[2].text='Preis steigend';
    document.forms.suchform['sk8'].options[2].value=3;
    if (skr==3) {document.forms.suchform['sk8'].options[2].selected=true;}
    return true;
   }
if (document.forms.suchform['sk3'].value=='2') 
   {document.getElementById('tx_kp').style.color='#888';
    document.getElementById('eu_kp').style.color='#888';
    document.forms.suchform['sk4'].disabled=true;
    document.forms.suchform['sk4'].style.background='#eee';
    document.forms.suchform['sk4'].style.border='1px solid #eee';
    document.forms.suchform['sk8'].length=2;
    document.forms.suchform['sk8'].options[1].text='Miete fallend';
    document.forms.suchform['sk8'].options[1].value=4;
    if (skr==4) {document.forms.suchform['sk8'].options[1].selected=true;}
    document.forms.suchform['sk8'].length=3;
    document.forms.suchform['sk8'].options[2].text='Miete steigend';
    document.forms.suchform['sk8'].options[2].value=5;
    if (skr==5) {document.forms.suchform['sk8'].options[2].selected=true;}
    return true;
   }
    document.forms.suchform['sk8'].length=2;
    document.forms.suchform['sk8'].options[1].text='Preis fallend';
    document.forms.suchform['sk8'].options[1].value=2;
    if (skr==2) {document.forms.suchform['sk8'].options[1].selected=true;}
    document.forms.suchform['sk8'].length=3;
    document.forms.suchform['sk8'].options[2].text='Preis steigend';
    document.forms.suchform['sk8'].options[2].value=3;
    if (skr==3) {document.forms.suchform['sk8'].options[2].selected=true;}
    document.forms.suchform['sk8'].length=4;
    document.forms.suchform['sk8'].options[3].text='Miete fallend';
    document.forms.suchform['sk8'].options[3].value=4;
    if (skr==4) {document.forms.suchform['sk8'].options[3].selected=true;}
    document.forms.suchform['sk8'].length=5;
    document.forms.suchform['sk8'].options[4].text='Miete steigend';
    document.forms.suchform['sk8'].options[4].value=5;
    if (skr==5) {document.forms.suchform['sk8'].options[4].selected=true;}
}

function einausblenden()
{
if (document.forms.suchform['sk1'].value=='grd') 
   {document.getElementById('wnfl').style.color='#888';

    document.forms.suchform['sk5'].disabled=true;
    document.forms.suchform['sk5'].style.background='#eee';
    document.forms.suchform['sk5'].style.border='1px solid #eee';
   }
   else
   {document.getElementById('wnfl').style.color='navy';

    document.forms.suchform['sk5'].disabled=false;
    document.forms.suchform['sk5'].style.background='white';
    document.forms.suchform['sk5'].style.border='1px solid black';
   }

if (document.forms.suchform['sk1'].value=='woh') 
   {document.getElementById('grdfl').style.color='#888';

    document.forms.suchform['sk6'].disabled=true;
    document.forms.suchform['sk6'].style.background='#eee';
    document.forms.suchform['sk6'].style.border='1px solid #eee';
   }
   else
   {document.getElementById('grdfl').style.color='navy';

    document.forms.suchform['sk6'].disabled=false;
    document.forms.suchform['sk6'].style.background='white';
    document.forms.suchform['sk6'].style.border='1px solid black';
   }


}

function machwas(par)
{
if (par>0) {document.getElementById('bezblock'+par).style.display='block';}
 
einausblenden();
kauf_miete();

if (screen.height<620) {document.getElementById('suchfixed').style.position='relative';}
}
function herstellt()
{
document.forms.suchform['sk0'].value='AUT';
document.forms.suchform['sk1'].value='---';
document.forms.suchform['sk2'].value='0';
document.forms.suchform['sk3'].value='3';
document.forms.suchform['sk4'].value='';
document.forms.suchform['sk5'].value='';
document.forms.suchform['sk6'].value='';
document.forms.suchform['sk7'].value='';
document.forms.suchform['sk8'].value=1;
document.forms.suchform['sk9'].value='';

einausblenden();
kauf_miete();
landblock();
/*document.forms.suchform['sk10'].value='';
 

kauf_miete();
bezirksblock();
for (var i=1; i<=9; i++) 
    {document.getElementById('bezblock'+i).style.display='block';

    }
*/
return false;
}
 
function landblock()
{
var lan=document.forms.suchform['sk0'].value;
if (lan=='AUT')
   {document.getElementById('bezirke').style.display='block';
   }
   else 
   {document.getElementById('bezirke').style.display='none';
   }
document.forms.suchform['sk2'].value=0;   
bezirksblock();   
}


function bezirksblock()
{var bez=document.forms.suchform['sk2'].value;

for (var i=1; i<=9; i++) 
    {document.getElementById('bezblock'+i).style.display='none';

    }
             
             
switch (bez) 
       {case '0':
             break;
        default:
             document.getElementById('bezblock'+bez).style.display='block';
             break;
       }

}
function fenster_1(par,obj)
{
fensterobj=document.getElementById? document.getElementById("drop_1") : drop_1
if (par>0) {fensterobj.style.visibility='visible';}
if (par==0) {fensterobj.style.visibility='hidden';}
}
function fenster_2(par,obj)
{
fensterobj=document.getElementById? document.getElementById("drop_2") : drop_2
if (par>0) {fensterobj.style.visibility='visible';}
if (par==0) {fensterobj.style.visibility='hidden';}
}