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_findObj(n, d) { //v4.01
  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);
  if(!x && d.getElementById) x=d.getElementById(n); 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 emailCheck (emailStr) 
{
	var emailPat=/^(.+)@(.+)$/
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
	var validChars="\[^\\s" + specialChars + "\]"
	var quotedUser="(\"[^\"]*\")"
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
	var atom=validChars + '+'
	var word="(" + atom + "|" + quotedUser + ")"
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
	var matchArray=emailStr.match(emailPat)

	if (matchArray==null) 
	{
		//alert("E-Posta Adresi Hatalı!")
		return false
	}
	
	var user=matchArray[1]
	var domain=matchArray[2]
	
	if (user.match(userPat)==null) 
	{
		//alert("E-Posta Adresi Hatalı!")
		return false
	}
	
	var IPArray=domain.match(ipDomainPat)
	
	if (IPArray!=null) 
	{
		for (var i=1;i<=4;i++) 
		{
			if (IPArray[i]>255) 
			{
				//alert("E-Posta Adresi Hatalı!")
				return false
			}
		}
		return true
	}
	
	var domainArray=domain.match(domainPat)
	
	if (domainArray==null) 
	{
		//alert("E-Posta Adresi Hatalı!")
		return false
	}
	
	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	
	if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>4) 
	{
		//alert("E-Posta Adresi Hatalı!")
		return false
	}
	
	if (len<2) 
	{
		//alert("E-Posta Adresi Hatalı!")
		return false
	}
	return true;
}

function kontrol_ilet(frm)
{
	if(frm.ad.value=='')
	{
		alert('Ad - Soyad boş bırakılmış.');
		frm.ad.focus();
		return(false);
	}
	
	if(frm.email.value=='') 
	{
		alert('E-Posta boş bırakılmış!');
        frm.email.focus();
		return false;
    }
	else if(!frm.email.value.match(/[a-zA-Z\.\@\d\_]/)) 
	{
		alert('E-Posta Hatalı!');
        frm.email.focus();
		return false;
    }
		
	if (!emailCheck (frm.email.value) )
	{
		alert('E-Posta Adresi Hatalı!');
		frm.email.focus();
		return (false);
	}
	
	if(frm.tel.value=='')
	{
		alert('Telefon boş bırakılmış.');
		frm.tel.focus();
		return(false);
	}
	else if(isNaN(frm.tel.value) || (frm.tel.value<=0))
	{
		alert('Telefon sadece Sayı (0-9) \'lardan oluşabilir!.');
		frm.tel.select();
		return false;
	}
	
	if(frm.mesaj.value=='')
	{
		alert('Mesaj boş bırakılmış.');
		frm.mesaj.focus();
		return(false);
	}
	
	return(true);
}

function degistir(kaynak,deger01,deger02)
{
	var hedef=document.getElementById(kaynak);
	
	if(deger02 == "s")
	{
		hedef.style.fontSize = parseInt(deger01) + 'px';
	}
	else
	{
		var hedeffont=parseInt(hedef.style.fontSize);
		var yeniebat=hedeffont+parseInt(deger01);
		
		if(yeniebat < 8 || yeniebat > 16){}
		else{hedef.style.fontSize = (hedeffont+parseInt(deger01)) + 'px';}
	}
}