function onay()
{

eppp = formkontrol(document.signup.eposta.value)
if ( eppp == false )
	{ alert ("Check your e-mail address") ;
	  document.signup.eposta.focus() ;
	  return false ;
	 }
 


function formkontrol()
{
	eposta=document.signup.eposta.value
	k=eposta.indexOf("@")
	m=eposta.lastIndexOf(".")
	z=eposta.indexOf("www.")
	n1=eposta.indexOf("Ð")
	n2=eposta.indexOf("ð")
	n3=eposta.indexOf("ü")
	n4=eposta.indexOf("Ü")
	n5=eposta.indexOf("þ")
	n6=eposta.indexOf("Þ")
	n7=eposta.indexOf("Ý")
	n8=eposta.indexOf("ý")
	n9=eposta.indexOf("ö")
	n10=eposta.indexOf("Ö")
	n11=eposta.indexOf("ç")
	n12=eposta.indexOf("Ç")
	
	n= n1 * n2 * n3 * n4 * n5 * n6 * n7 * n8 * n9 * n10 * n11 * n12 
	
	
		 
	if (k==-1 || m==-1 || n!=1 || m<=(k+1) || m>=(eposta.length-1)|| z!=-1 )
		{ return false }
		else
	     {return true }
}

}