function show_key(){
	
var randomnumber=Math.floor(Math.random()*9999);	

 document.contact.key1.value = randomnumber;
 document.contact.key2.value = "";
 return(true);
}



function CheckKey(){

    var error=0;
    var msg="";
    var randomnumber=Math.floor(Math.random()*9999);	
    
    if (document.contact.key1.value != document.contact.key2.value){  
      msg =  "Spam Keys don't match";
      error=1 ;
       }

     if (error==0){
       document.contact.key3.value = (document.contact.key1.value * 11) + 12;
      return true;
     }

 else{
    alert(msg);
    return false;
 }
}