function over(){this.src=this.src.replace('0at_','1at_')}
function out(){this.src=this.src.replace('1at_','0at_')}
function vaxlator(){
for(i=0;i<(I=document.images).length;i++)
if(I[i].src.indexOf('0at_')>0){
    I[i].onmouseover=over;
    I[i].onmouseout=out;
    }
}

function validate(f){
var v,i,e
for(i=0;e=f[i++];)
  if(v=window[e.getAttribute('valid')])
   if(!v(e.value))
    {alert(e.getAttribute('alert'));e.focus();return 1}
}

function niepuste(x){
    return x>''
}

function ismail(e){
    return /^[\w\.-]{2,}@[\w\.-]+\.[a-z]{2,5}$/i.test(e)
}

function displayWindow(url, width, height) {
        var Win = window.open(url,"displayWindow",'width=' + width + ',height=' + height + ',resizable=0,scrollbars=no,menubar=no' );
                
}

function popd(opn,n){
        var Win = window.open("http://kmwformat.pl/drzwi_popup.php?foto="+opn+"&nazwa="+n,"drzwiWindow",'width=600,height=800,resizable=0,scrollbars=no,menubar=no' );
}

function popw(a,b,c,d){
        var Win = window.open("http://kmwformat.pl/witraz_popup.php?typ="+a+"&nazwa="+b+"&cena="+c+"&foto="+d,"witrazWindow",'width=350,height=450,resizable=0,scrollbars=no,menubar=no' );
}

function popk(a,b,c,d){
        var Win = window.open("http://kmwformat.pl/klamka_popup.php?opis="+a+"&nazwa="+b+"&cena="+c+"&foto="+d,"witrazWindow",'width=520,height=800,resizable=0,scrollbars=no,menubar=no' );
}
function popm(a,b,c,d){
        var Win = window.open("http://kmwformat.pl/magazyn_popup.php?opis="+a+"&nazwa="+b+"&cena="+c+"&foto="+d,"witrazWindow",'width=650,height=800,resizable=0,scrollbars=no,menubar=no' );
}