function rezkontrol()
{
	var email=document.form1.email.value;
	var a=email.indexOf("@",1);
	var b=email.indexOf(".",a+2);
		
		if (document.form1.oda.value=="0")
			{
				alert("select the number of rooms");
				
				return false;
			}
		if (document.form1.yetiskin.value=="s")
			{
				alert("select the number of adults");
				
				return false;
			}
		
		if (document.form1.ad.value=="")
			{
				alert("please enter your name");
				form1.ad.select();
				return false;
			}
		else if (document.form1.sad.value=="")
			{
				alert("please enter your surname");
				form1.sad.select();
				return false;
			}
		
		
		else if (email=="")
			{
				alert("please enter your email address");
				form1.email.select();
				return false;
			}
		else if ((a==-1) || (b==-1))
			{
				alert("please enter a valid email address");
				form1.email.focus();
				form1.email.select();
				return false;
			}
		
		
return true;
}
function iletisimkontrol()
{
	var email=document.form1.email.value;
	var a=email.indexOf("@",1);
	var b=email.indexOf(".",a+2);
		
		if (document.form1.ad.value=="")
			{
				alert("please enter your name");
				
				return false;
			}
		if (document.form1.sad.value=="")
			{
				alert("please enter your surname");
				
				return false;
			}
		else if (document.form1.tel.value=="")
			{
				alert("please enter your phone number");
				form1.tel.select();
				return false;
			}
		
		else if (email=="")
			{
				alert("please enter your email address");
				form1.email.select();
				return false;
			}
		else if ((a==-1) || (b==-1))
			{
				alert("please enter a valid email address");
				form1.email.focus();
				form1.email.select();
				return false;
			}
		
		else if (document.form1.mesaj.value=="")
			{
				alert("please enter your message");
				form1.mesaj.select();
				return false;
			}
		
return true;
}