function czyscPKT() {
	document.getElementById('productgivenID').value="";
	document.getElementById('citygivenID').value="";
}

function toggleDisp() {
    for (var i=0;i<arguments.length;i++){
        var d = document.getElementById(arguments[i]);
        if (d.style.display == 'none')
            d.style.display = 'block';
        else
            d.style.display = 'none';
    }
}

function drukuj( windowURL, windowName, windowFeatures ) {
	var feat = 'width=620,height=600,toolbar=0,location=0,directories=0,status=1,menuBar=0,scrollBars=1,resizable=1';
	return window.open( windowURL, windowName, feat ) ;
}

function wyslijArtykul( windowURL, windowName, windowFeatures ) {
	var feat = 'width=320,height=190,toolbar=0,location=0,directories=0,status=1,menuBar=0,scrollBars=1,resizable=1';
	return window.open( windowURL, windowName, feat ) ;
}