function confirmForm()
{
	var oFormEl	= document.getElementById('form1');
	
    if (!oFormEl) {
        return false;
    }

    oFormEl = oFormEl.elements;

	if (
        (oFormEl["textfield1"].value == "") ||
        (oFormEl["textfield2"].value == "") ||
        (oFormEl["textfield3"].value == "") ||
        (oFormEl["textfield4"].value == "") ||
        (oFormEl["textfield5"].value == "") ||
        (oFormEl["textfield5"].value == "+420") ||
        (oFormEl["textfield6"].value == "") ||
        (oFormEl["textfield6"].value == "@") ||
        (oFormEl["textfield7"].value == "") ||
        (oFormEl["textfield8"].value == "") ||
        (oFormEl["textfield9"].value == "")
       ) {
		alert("Vyplňte prosím povinné údaje (označené červenou hvězdičkou).");
		return false;
	} else {
		return true;
	}
}