function mailClean() {
	var maildivider="[a]" //enter divider you use to divide your email address strings
	for (i=0; i<=(document.links.length-1); i++){
		if (document.links[i].href.indexOf(maildivider)!=-1){
			document.links[i].href=document.links[i].href.split(maildivider)[0]+"@"+document.links[i].href.split(maildivider)[1];
		}
	}
}
// verify required fields
function checkRequired(form) {
	var pass = true;
	for(i = 0; i < form.length; i++) {
		var tempobj = form.elements[i];
		if(tempobj.alt == "required") {
			if(tempobj.value == '') {
				pass = false;
				break;
			}
		}
	}
	if(!pass) {
		alert("Please enter the required information.");
		tempobj.focus(); // set focus to missing field
		return false;
	}
	else { return addressCheck(form); } 
}
// clear contents
function clearContents(fieldName) {
	eval("var el = document.forms[0]." + fieldName + ";");
	el.value = "";
}
// validate e-mail addresses
function addressCheck(f) {
	m = f.email_addr.value;
	var badSyntax = new RegExp(/(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/);
	var notAnAdd = new RegExp(/^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z0-9]+)(\]?)$/);
	if ((badSyntax.exec(m) != null) || (notAnAdd.exec(m) == null)) {
		alert("Please check that your e-mail address is correct");
		return false;
	} else {
		return true;
	}
}
// form submission meta function
function validForm(form) {
	return checkRequired(form);
}