var kontrolaPrvku	= new Array();
var chyby		= "";
var navratovaHodnota		= false;
var jazyk		= new Array();
jazyk["zahlavi"]	= "In the form are these mistakes:"
jazyk["start"]	= "-";
jazyk["polozka"]	= " Field named ";
jazyk["povinna"]	= " is obligatory";
jazyk["minimum"]		= " and must contain at least ";
jazyk["maximum"]		= " and maximum ";
jazyk["minmax"]	= " and maximum ";
jazyk["znaky"]	= " characters";
jazyk["cislice"]		= " and must contain digits";
jazyk["email"]	= " must contain valid email address";
function definice(n, type, HTMLname, minimum, maximum, d) {
var p;
var i;
var x;
if (!d) d = document;
if ((p=n.indexOf("?"))>0&&parent.frames.length) {
d = parent.frames[n.substring(p+1)].document;
n = n.substring(0,p);
}
if (!(x = d[n]) && d.all) x = d.all[n];
for (i = 0; !x && i < d.forms.length; i++) {
x = d.forms[i][n];
}
for (i = 0; !x && d.layers && i < d.layers.length; i++) {
x = definice(n, type, HTMLname, minimum, maximum, d.layers[i].document);
return x;       
}
eval("V_"+n+" = new vysledkyformulare(x, type, HTMLname, minimum, maximum);");
kontrolaPrvku[eval(kontrolaPrvku.length)] = eval("V_"+n);
}
function vysledkyformulare(form, type, HTMLname, minimum, maximum) {
this.form = form;
this.type = type;
this.HTMLname = HTMLname;
this.minimum  = minimum;
this.maximum  = maximum;
}
function kontrola() {
if (kontrolaPrvku.length > 0) {
errorObject = "";
for (i = 0; i < kontrolaPrvku.length; i++) {
validateObject = new Object();
validateObject.form = kontrolaPrvku[i].form;
validateObject.HTMLname = kontrolaPrvku[i].HTMLname;
validateObject.val = kontrolaPrvku[i].form.value;
validateObject.len = kontrolaPrvku[i].form.value.length;
validateObject.minimum = kontrolaPrvku[i].minimum;
validateObject.maximum = kontrolaPrvku[i].maximum;
validateObject.type = kontrolaPrvku[i].type;
if (validateObject.type == "cislice" || validateObject.type == "string") {
if ((validateObject.type == "cislice" && validateObject.len <= 0) || (validateObject.type == "cislice" && isNaN(validateObject.val))) { chyby += jazyk['start'] + jazyk['polozka'] + validateObject.HTMLname + jazyk['povinna'] + jazyk['cislice'] + "\n";
} else if (validateObject.minimum && validateObject.maximum && (validateObject.len < validateObject.minimum || validateObject.len > validateObject.maximum)) { chyby += jazyk['start'] + jazyk['polozka'] + validateObject.HTMLname + jazyk['povinna'] + jazyk['minimum'] + validateObject.minimum + jazyk['minmax'] + validateObject.maximum+jazyk['znaky'] + "\n";
} else if (validateObject.minimum && !validateObject.maximum && (validateObject.len < validateObject.minimum)) { chyby += jazyk['start'] + jazyk['polozka'] + validateObject.HTMLname + jazyk['povinna'] + jazyk['minimum'] + validateObject.minimum + jazyk['znaky'] + "\n";
} else if (validateObject.maximum && !validateObject.minimum &&(validateObject.len > validateObject.maximum)) { chyby += jazyk['start'] + jazyk['polozka'] + validateObject.HTMLname + jazyk['povinna'] + jazyk['maximum'] + validateObject.maximum + jazyk['znaky'] + "\n";
} else if (!validateObject.minimum && !validateObject.maximum && validateObject.len <= 0) { chyby += jazyk['start'] + jazyk['polozka'] + validateObject.HTMLname + jazyk['povinna'] + "\n";
   }
} else if(validateObject.type == "email") {

if ((validateObject.val.indexOf("@") == -1) || (validateObject.val.charAt(0) == ".") || (validateObject.val.charAt(0) == "@") || (validateObject.len < 6) || (validateObject.val.indexOf(".") == -1) || (validateObject.val.charAt(validateObject.val.indexOf("@")+1) == ".") || (validateObject.val.charAt(validateObject.val.indexOf("@")-1) == ".")) { chyby += jazyk['start'] + jazyk['polozka'] + validateObject.HTMLname + jazyk['email'] + "\n"; }
      }
   }
}
if (chyby) {
alert(jazyk["zahlavi"].concat("\n" + chyby));
chyby = "";
navratovaHodnota = false;
} else {
navratovaHodnota = true;
   }
}