function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function MM_findObj(n, d) { //v3.0
  var p,i,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=MM_findObj(n,d.layers[i].document); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function goparent(theURL) {
	//self.close();
	var mypage = null;
	mypage = window.opener;
	if (mypage != null){
		window.opener.location = theURL
	}
}

function checkprofession(menu)
{
	var i=menu.selectedIndex;
	
	if ((i>=1) && (i<=4))
	{
		document.all.pro.style.visibility="visible";
	}
	else
	{	
		document.all.pro.style.visibility="hidden";
	}
}

// check that order fields are valid or not
function check_formfields()
{	
	var form = document.forms[0];
	var msg="";
	var p,email;
	
	if (form.adsoyad.value == "") msg=msg + "Ad soyad\n";	
	
	// validate email address
	email = form.eposta.value;
	p=email.indexOf('@');
	// check for email address contains @ sign but not at the end
    if ( p<1 || p==(email.length-1) )
	{
		msg=msg + "Eposta\n";
	}
	else
	{
		// check for a single '.' after @ char
		email = email.substr(p);
		p = email.indexOf('.');
		if ( p<1 || p==(email.length-1) ) msg=msg + "Eposta\n";
	}

	if (form.tel.value == "") msg=msg + "Telefon\n";
		
	if (form.adres.value == "") msg=msg + "Adres\n";	

	if (form.sehir.options.selectedIndex == 0) msg=msg + "Şehir\n";

	if (form.meslek.options.selectedIndex == 0) msg=msg + "Meslek\n";

	if (msg != "")
	{
		alert("Aşağıdaki alanları doldurmanız gerekmektedir;\n\n" + msg);	
		return false;
	}
	return true;
}