function validate(){   	 

if(emails.firstname.value == "" ){alert("Please enter your name."); return false;}       	 
else if(emails.lastname.value == "" ){alert("Please enter your last name."); return false;}        	 
else if(emails.email.value == "" ){alert("Please enter your email."); return false;} 
else if(emails.comment.value == "" ){alert("Please enter your comment."); return false;}  
  	 
      	else if(emails.code.value == "" ){alert("Please enter the code image provided."); return false;}  
  	 
      	 
     	 

			     
				               else return true;	
					}