function CheckEmail(emailval)
{
 i=0;
	if (emailval.length >0){
	    i=emailval.indexOf("@")
	    j=emailval.indexOf(".",i)
  	    k=emailval.indexOf(",")
	    kk=emailval.indexOf(" ")
	    jj=emailval.lastIndexOf(".")+1
	    len=emailval.length
	 }

	 if ((i>0) && (j>(1+1)) && (k==-1) && (kk==-1) &&
	     (len-jj >=2) && (len-jj<=3)) {
     }
	 else {
	      return false;
     }
     return true;
}


function CheckForm()
{
	frm = window.document.FeedbackForm;
	// Check the fields

	if (frm.realname.value.length <= 0) {
		alert('Please enter Name!');
		frm.realname.focus();
		return false;
	}
	
	if (frm.FEEDBACK.value.length <= 0) {
		alert('Please enter your feedback text!');
		frm.FEEDBACK.focus();
		return false;
	}
		
	if (frm.email.value.length <= 0) {
		alert('Please enter your contact e-mail address!');
		frm.email.focus();
		return false;
	} else if (CheckEmail(frm.email.value) == false) {
	    alert('please correct the email address: ' + frm.email.value + ' is invalid!');
	    frm.email.focus();
	    return false;
	}
	
	frm.redirect.value = 'http://www.biblican.com/thanks.htm';
	return true;
}