function display_email (emaildisplay,emailname,emaildomain,emailsubject) {
// emaildisplay - the name to show on the page, example: "John Doe"
// emailname - the name to have as the email name, example: jdoe
// emaildomain - the email domain name, example: yahoo.com
// emailsubject - the email subject value, exmaple: "Interest in the up coming HVPS courses"  must use "%20" for spaces between words in order for it to appear correctly in the email subject line
var tag="@"
document.write("<a href="+"mail"+"to:"+emailname+tag+emaildomain+"?subject="+emailsubject+">"+emaildisplay+"</a>");
}