nn4 = (document.layers)? true:false
ie4 = (document.all)? true:false

function okno(url, width, height){
msg = window.open("", "", "toolbar=no,directories=no,menubar=no,width="+width+",height="+height+",top=0,left=0,screenX=0,screenY=0")
	var zmienna1 = "<HTML><HEAD><TITLE>Access - bazy danych</TITLE></HEAD>"
	    zmienna1 += "<BODY bgColor='gray' onLoad='self.focus();' onblur='self.close();'><center>"
 	    zmienna1 += "<img src='graf/"+url+"'></BODY></HTML>"
            msg.document.write(zmienna1)
	    msg.document.close()}
	
function checkIt(form) {
  var str = form.adres.value
  var resultat = str.match("@")
  if (resultat) { } 
else { alert("Adres e-mail powinien zawierać @ ") 
   	form.adres.focus()
    	form.adres.select()
	return false}
}


function checkForm(){
 if (document.ksiega.imie.value == "") {
  alert("Wpisz imie")
  document.ksiega.imie.focus()
  return false}
 if (document.ksiega.wpis.value == "") {
  alert("Wpisz uwagi")
  document.ksiega.wpis.focus()
  return false}
}

function getDateStr(){
    var Today = new Date()
    var Year = Today.getFullYear()
    return Year
}

defaultStatus="Witamy w Centrum Studenta";


