/*
BU FILE NASIL KULLANILACAK?:

  1.  Bu dosyayi Head tagine include et.
  2.  head'de her field icin validation rule'larini tanimla --init()--
  3.  Body'nin onloadinda 2'de tanimladigin script fonksiyonunu calistir.
  4.  submit butonunda bu validate fonksiyonunu soyle calistir:
	onClick="validate();" 

*/


//Error olarak cikacak laflar

var checkObjects	= new Array();
var errors		= "";
var language		= new Array();
language["header"]	= "Lütfen aşağıdaki hataları inceleyiniz:"
language["start"]	= "->";
language["field"]	= " Alan ";
language["require"]	= " gereklidir";
language["min"]		= " ve en az ";
language["max"]		= " en fazla ";
language["minmax"]	= " en fazla ";
language['chars']   = " olmalıdır ";
language["num"]		= " nümerik olmalıdır";
language["email"]	= " geçerli bir e-mail adresi olmalıdır";


// -----------------------------------------------------------------------------
// define - bu fonksiyonu body onload'da init() fonksiyonunda kullanin
// n = input field'in ismi (Gerekli)
// type= string, num, email (Gerekli)
// min = valuesu en az [min]  olmali (İstege Bagli)
// max = valuesu en fazla [max] olmali (İstege Bagli)
// d = (İstege Bagli, document yerine gecebilecek bir obje)
// -----------------------------------------------------------------------------

function define(n, type, HTMLname, min, max, 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 = define(n, type, HTMLname, min, max, d.layers[i].document);
return x;       
}
eval("V_"+n+" = new formResult(x, type, HTMLname, min, max);");
checkObjects[eval(checkObjects.length)] = eval("V_"+n);
}

function formResult(form, type, HTMLname, min, max) {
this.form = form;
this.type = type;
this.HTMLname = HTMLname;
this.min  = min;
this.max  = max;
}

function validate() {
if (checkObjects.length > 0) {
errorObject = "";
for (i = 0; i < checkObjects.length; i++) {
validateObject = new Object();
validateObject.form = checkObjects[i].form;
validateObject.HTMLname = checkObjects[i].HTMLname;
validateObject.val = checkObjects[i].form.value;
validateObject.len = checkObjects[i].form.value.length;
validateObject.min = checkObjects[i].min;
validateObject.max = checkObjects[i].max;
validateObject.type = checkObjects[i].type;

if (validateObject.type == "num" || validateObject.type == "string") {
if ((validateObject.type == "num" && isblank(validateObject.val)) || (validateObject.type == "num" && isNaN(validateObject.val))) { errors += language['start'] + language['field'] + validateObject.HTMLname + language['require'] + language['num'] + "\n";
} 
else if (validateObject.min && validateObject.max && !isblank(validateObject.val) && (validateObject.val < validateObject.min || validateObject.val > validateObject.max)) { 
errors += language['start'] + language['field'] + validateObject.HTMLname + language['require'] + language['min'] + validateObject.min + language['minmax'] + validateObject.max + language['chars'] + "\n";
}
else if (validateObject.min && validateObject.max && !isblank(validateObject.val) && (validateObject.val < validateObject.min || validateObject.val > validateObject.max)) { 
errors += language['start'] + language['field'] + validateObject.HTMLname + language['require'] + language['min'] + validateObject.min + language['minmax'] + validateObject.max + language['chars'] + "\n";
}
else if (validateObject.min && !validateObject.max && (validateObject.val < validateObject.min)) { 
errors += language['start'] + language['field'] + validateObject.HTMLname + language['require'] + language['min'] + validateObject.min + language['chars'] + "\n";
} else if (validateObject.max && !validateObject.min  && (validateObject.val > validateObject.max)) { errors += language['start'] + language['field'] + validateObject.HTMLname + language['require'] + language['max'] + validateObject.max + language['chars'] + "\n";
} else if (!validateObject.min && !validateObject.max && isblank(validateObject.val)) { errors += language['start'] + language['field'] + validateObject.HTMLname + language['require'] + "\n";
   }
} else if(validateObject.type == "email") {

// "@" ve "." leri iceriyor mu?. 
// uzunlugu >= 5 olmali ve "." isareti "@" isaretinden hemen sonra gelmemeli

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) == ".")) { errors += language['start'] + language['field'] + validateObject.HTMLname + language['email'] + "\n"; }
      }
   }
}

if (errors) {
alert(language["header"].concat("\n" + errors));
errors = "";
return false;

} else {

return true;
   }
}