function checkchar(pass){

if (pass==1)
{
field=document.booknow.sname.value;
target=booknow.sname;
var msg="Lutfen isminiz bolumune rakam ve ozel karakter yazmayiniz!";
}

if (pass==2)
{
field=document.booknow.rname.value;
target=booknow.rname;
var msg="Lutfen arkadasinizin ismi bolumune rakam ve ozel karakter yazmayiniz!";
}


		var notvalid;
		for (var i=0, notvalid="0123456789!@#$%^&*()+=-[]\\\';,./{}|\":<>?"; i<field.length; i++)
		{
       		if (notvalid.indexOf(field.charAt(i)) != -1)
		{
			alert(msg);
			target.focus(); 
			return false;
		}
		}
		

}


function checkemail(mail){

if (mail==1)
{
var cemail=document.booknow.semail.value;
target=booknow.semail;
var msg="Lutfen e-pota adresinizi duzeltiniz!\n\n Or: me@noname.com";
}

if (mail==2)
{
var cemail=document.booknow.remail.value;
target=booknow.remail;
var msg="Lutfen arkadasinizin e-pota adresini duzeltiniz!\n\n Or: me@noname.com";
}


if (cemail.length > 1 )
{

if(cemail.indexOf('_@')!=-1 || cemail.indexOf('@_')!=-1 || cemail.indexOf('_.')!=-1 || cemail.indexOf('-@')!=-1 || cemail.indexOf('@-')!=-1 || cemail.indexOf('-.')!=-1)
{
alert(msg);
target.focus();
return false;
}

var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i

if (filter.test(cemail))
return true;
else
{
alert(msg);
target.focus();
return false;
}
}
}



function checkfields() 
{
 var msg="(*)Lutfen Giriniz...\n\n";
if ( document.booknow.sname.value.length < 1 ) {
				msg +="Isminiz!\n";
				}
if ( document.booknow.semail.value.length < 1 ) {
				msg +="e-posta adresiniz!\n";
				}
if ( document.booknow.rname.value.length < 1 ) {
				msg +="Arkadasinizin ismi!\n";
				}
if ( document.booknow.remail.value.length < 1 ) {
				msg +="Arkadasinizin e-posta adresi!\n";
				}
			
	if(msg=="(*)Lutfen Giriniz...\n\n") 
        { 
            return true;
        } 
        else 
        { 
            alert(msg); 
            return false; 
        } 			
}

function Recom()
{
if (document.booknow.rb[5].checked)
document.booknow.other.style.visibility = 'visible';
else
document.booknow.other.style.visibility = 'hidden';
}