function submitMail(){
if (emailCheck(em.value)==false){
	alert('Please check the email address you entered!');	
	return false;
}
if (nm.value.length < 3){
	alert('Please enter your name');
	return  false;
}
removeapostrophes(nm);
removeapostrophes(cpy);
removeapostrophes(cmts);
return true;
}	

function emailCheck(emailStr){
var emailPat=/^(.+)@(.+)$/;
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
var validChars="\[^\\s" + specialChars + "\]";
var quotedUser="(\"[^\"]*\")";
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
var atom=validChars + '+';
var word="(" + atom + "|" + quotedUser + ")"
var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
var matchArray=emailStr.match(emailPat);
if (matchArray==null) return false;
var user=matchArray[1]
var domain=matchArray[2]
if (user.match(userPat)==null) return false;
var IPArray=domain.match(ipDomainPat)
if (IPArray!=null){
	for (var i=1;i<=4;i++) {
		if (IPArray[i]>255) return false;
	}
	return true;
}
var domainArray=domain.match(domainPat)
if (domainArray==null)return false
var atomPat=new RegExp(atom,"g")
var domArr=domain.match(atomPat)
var len=domArr.length
if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>4)return false
if (len<2)return false
return true;
} 

function removeapostrophes(s){
var i;
if(s.value.length>0){
s.value = s.value.split("'").join("''");
}     
}