// javascript document

function writeEmail(tla,dom,nam) {
document.write("<a href='mailto:"+nam+"@"+dom+"."+tla+"'>"+nam+"@"+dom+"."+tla+"</a>");
}

function switchVal(e,o) {
// e is the element  - o is the orginal value
if (document.getElementById(e.name).value==o) document.getElementById(e.name).value="";
}
function checkVal(e,o) {
// e is the element  - o is the orginal value
if (document.getElementById(e.name).value=="") document.getElementById(e.name).value=o;
}