var a,b;

function wczytaj() {
    document.preload=new Array();
    var x, y=0, z=wczytaj.arguments;
    for(x=0; x<z.length; x++) {
      document.preload[y]=new Image;
      document.preload[y++].src=z[x];  }
  }

function zmien() {
    var c=zmien.arguments;
    a=c[0];
    b=document[c[0]].src;
    document[c[0]].src=c[1];
  }

function przywroc() {
    c=document [a];
    c.src=b;
  }

function validate(field) {
var valid = "0123456789"
var ok = "yes";
var temp;
for (var i=0; i<field.value.length; i++) {
temp = "" + field.value.substring(i, i+1);
if (valid.indexOf(temp) == "-1") ok = "no";
}
if (ok == "no") {
alert("Invalid entry!  Only numbers are accepted!");
field.focus();
field.select();
   }
}

function validation() {
    var please = "Please give us Your";

    var name = document.kwestionariusz.name.value;
    var last = document.kwestionariusz.last.value;
    var spe1 = document.kwestionariusz.spe1.value;
	var spe2 = document.kwestionariusz.spe2.value;
    var home = document.kwestionariusz.home.value;
    var zipc = document.kwestionariusz.zipc.value;
    var town = document.kwestionariusz.town.value;
    var coun = document.kwestionariusz.coun.value;
    var emai = document.kwestionariusz.emai.value;
    var citi = document.kwestionariusz.citi.value;
    var age = document.kwestionariusz.age.value;
    var mari = document.kwestionariusz.mari.value;
    var part = document.kwestionariusz.part.value;
    var papr = document.kwestionariusz.papr.value;
    var chil = document.kwestionariusz.chil.value;
	var famout = document.kwestionariusz.famout.value;
	var worabr = document.kwestionariusz.worabr.value;
	var why = document.kwestionariusz.why.value;
	var reas1 = document.kwestionariusz.reas1.value;
	

    if (name == '') {
    alert(please + ' name.');
    return false;
    }
    if (last == '') {
    alert(' ' + please + ' last name.');
    return false;
    }
    if ((spe1 == 0) && (spe2 == 0)) {
    alert(' ' + please + ' 1st degree specialization or 2nd degree specialization.');
    return false;
    }
    if (home == '') {
    alert(' ' + please + ' home address.');
    return false;
    }
    if (zipc == '') {
    alert(' ' + please + ' zip code.');
    return false;
    }
    if (town == '') {
    alert(' ' + please + ' town/city.');
    return false;
    }
    if (coun == '') {
    alert(' ' + please + ' country.');
    return false;
    }

    if (emai == '') {

    }
    else {
       if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(emai)){

       }
       else {
         alert("Invalid E-mail Address! Please re-enter.")
         return (false)
       }
    }

    if (citi == '') {
    alert(' ' + please + ' citizenship.');
    return false;
    }
    if (age == '') {
    alert(' ' + please + ' age.');
    return false;
    }
    if (mari == 0) {
    alert(' ' + please + ' maritial status.');
    return false;
    }
    if (part == 0) {
    alert('Do you have a partner?');
    return false;
    }
    if (part == 2) {
      if (papr == '') {
       alert(' ' + please + ' partner\'s proffesion.');
       return false;
      }
    }
    if (chil == 0) {
    alert('Do you have children');
    return false;
    }
	
	if (worabr == 0) {
    alert('Have you ever worked abroad?');
    return false;
    }
	if (why == '') {
    alert('Please tell us why Sweden?');
    return false;
    }
	if (reas1 == 0) {
    alert('How do you know about Medena?');
    return false;
    }
}