function bak(id) {
	if (document.getElementById(id).style.display=='block') {
		document.getElementById(id).style.display='none'
	}
	else {
		document.getElementById(id).style.display='block'
	}
}

function degis(x) {
	document.getElementById("pages1").style.display='none';
	document.getElementById("pages2").style.display='none';
	document.getElementById("pages3").style.display='none';
	document.getElementById("pages4").style.display='none';
	document.getElementById("pages5").style.display='none';
	document.getElementById("pages"+x).style.display='block';
}
function popup(url,windowname,width,height,sb) {
	width=(width)?width:screen.width/3;
	height=(height)?height:screen.height/3;
	var screenX = (screen.width/2 - width/2);
	var screenY = (screen.height/2 - height/2);
	var features= "width=" + width + ",height=" + height +",resizable=yes,scrollbars="+sb;
	features += ",screenX=" + screenX + ",left=" + screenX;
	features += ",screenY=" + screenY  +",top=" + screenY;
	var mywin=window.open(url, windowname, features);
	if (mywin) mywin.focus();
	return mywin;
}
function websahne() { popup('websahne/index.htm','websahne',970,500,'no') }
function eticaret() { popup('eticaret.asp','websahne',970,600,'yes') }

function regKontrol(pattern, value) 
{ 
   r = new RegExp(pattern, "g"); 
   return r.test(value); 
} 


function iformc(form) { 
	if (form.isimsoyad.value == "") {
		alert("İsim girmelisiniz"); 
		form.isimsoyad.focus(); 
		return false; 
	}
	if (form.email.value == "") {
		alert("E-mail girmelisiniz."); 
		form.email.focus(); 
		return false; 
	}
	patternEposta   = "^"+"([abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0-9_\.\-]+)"+"@"+"([abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0-9_\.\-]+)"+"[\.]"+"([abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0-9_\.\-]+)"+"$"; 
	if ( !regKontrol(patternEposta,form.email.value)) 
	{ 
		alert("Lütfen Doğru Bir E-posta Adresi Giriniz."); 
		form.email.focus(); 
		return false; 
	}
	if (isNaN(form.telefon.value) == true) {
		alert("Telefon numarasını hatalı girdiniz"); 
		form.telefon.focus(); 
		return false; 
	}
	if (form.konu.value == "") {
		alert("Konu girmelisiniz"); 
		form.konu.focus(); 
		return false; 
	}
	if (form.mesaj.value == "") {
		alert("Mesaj yazmadınız"); 
		form.mesaj.focus(); 
		return false; 
	}
	return true;
}