function contactformKontrol(form) 
{ 
   var aa=document.contactform.email
		
	 patternEposta   = "^"+"([abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0-9_\.\-]+)"+"@"+"([abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0-9_\.\-]+)"+"[\.]"+"([abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0-9_\.\-]+)"+"$"; 
           
        if ( !regKontrol(patternEposta,form.value)) 
     { 
          alert("Lütfen Geçerli Bir E-posta Adresi Giriniz."); 
         
          aa.focus(); 
          return false; 
     } 
     return true; 
} 





// Mail Control

function regKontrol(pattern, value) 
{ 
   r = new RegExp(pattern, "g"); 
   return r.test(value); 
}