function feedbackForm( form )
{
// ** START **
 	if(form.Name.value =="")
       {
               alert( "Please Enter Your Name" );
               form.Name.focus();
               return false ;
       }
	  
	    else if(form.Email.value =="")
       {
               alert( "Please Enter Your Email" );
               form.Email.focus();
               return false ;
       }
	  
	   else if(form.Feedback.value=="")
       {
               alert( "Please Enter your feedback!");
               form.Feedback.focus();
               return false ;
       }
	   else if(form.Email.value !=null)
       {
	   		var reg =  /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
			var address=form.Email.value; 
			if(reg.test(address) == false) {
		      alert('Invalid Email Address');
			  form.Email.focus();
	      return false;
			}
	   }
// ** END **
       return true ;
}