function formCheck() {

     var iChars = "!@#$%^&*()+=-[]\\\';,./{}|\":<>?150DFGHIJKOQSVWabcdefghijklmnopqrstuvwxyz";


       if (document.contactform.useremail.value.indexOf("@") == -1 ||
       document.contactform.useremail.value.indexOf(".") == -1 ||
           document.contactform.useremail.value == "") 
           {
            alert("Please include a proper email address.");
            contactform.useremail.focus();
           return false;
           }
           
        if (document.contactform.realname.value == "") 
             {
 alert("A contact name is required.");
             contactform.realname.focus();

            return false;
             }
           
             
             
               if (document.contactform.vcode.value == "") 
            {
 alert("You must enter the verification code to submit this form.");
             contactform.vcode.focus();

            return false;
             }
  
  
  if (document.contactform.vcode.value.length > 7) {
          alert("Verification code is too long.\n");
	  return false;
     }
     
       if (document.contactform.vcode.value.length < 6) {
          alert("Verification code is too short.\n");
	  return false;
     }
     
           for (var i = 0; i < document.contactform.vcode.value.length; i++) {
                if (iChars.indexOf(document.contactform.vcode.value.charAt(i)) != -1) {
                alert ("The box verification code failed. \nRefresh the page and try again.\n");
                return false;
        }
                }
              
        
 }
 
 // (c) coconutinfo.com 2007