// JavaScript Document

// Copyright

var errfound=false;

function Validtext(item,len){
return (item.length >= len);
}

function Validmail(item){
if (!Validtext(item,5)) return false;
if (item.indexOf ('@',0) == -1) return false;
return true;
}

function error(elem,text){
if (errfound) return;
window.alert(text);
elem.select();
elem.focus();
errfound = true;
}

//
function valButton(btn) {
    var cnt = -1;
    for (var i=btn.length-1; i > -1; i--) {
        if (btn[i].checked) {cnt = i; i = -1;}
    }
    if (cnt > -1) return btn[cnt].value;
    else return null;
}
//

function Validate(){
errfound = false;
document.getElementById('csx').value = screen.width;
document.getElementById('csy').value = screen.height;

if ((!Validtext(document.getElementById('your_name').value,2)) || (document.getElementById('your_name').value == 'Full Name'))
error (document.getElementById('your_name'),"Please enter your name");


if (!Validmail(document.getElementById('email_address').value))
error (document.getElementById('email_address'),"Please enter your e-mail address");



return !errfound;
}