function sex() {
    var sex = document.getElementById("reg_sex").value;

    if (sex == 'girl') {
        document.getElementById("reg_sex").style.background = '#ff68d6';
    } else if (sex == 'boy') {
        document.getElementById("reg_sex").style.background = '#00cff4';
    } else {
        document.getElementById("reg_sex").style.background = '#fff';
    }
}


function register()
			{
                //document.getElementById("register_response").className = 'unhidden';
                //document.getElementById("register_response").innerHTML = "<blink>registering...please wait</blink>";
                var name = document.getElementById("reg_nm").value;
                var email = document.getElementById("reg_eml").value;
                var password = document.getElementById("reg_pw").value;
                var password2 = document.getElementById("reg_pw2").value;                			
                var sex = document.getElementById("reg_sex").value;
                var city = document.getElementById("reg_city").value;
                var day = document.getElementById("reg_day").value;
                var month = document.getElementById("reg_month").value;
                var year = document.getElementById("reg_year").value;

                if (email != "" || email != 'Email') 		{
					apos = email.indexOf("@")
					dotpos = email.lastIndexOf(".")

					if (apos < 1 || dotpos - apos < 2)
					{
                        document.getElementById("register_response").className = 'unhidden';
                        document.getElementById("register_response").innerHTML = 'Please check your email address.';
                        return false;
					}
				}

				if (name == '' || email == '' || password == '' || password2 == '' || sex == '' || city == '' || name == 'Name' || email == 'Email' || password == 'Password' || password2 == 'Retype Password' || sex == 'Sex' || city == 'City' || day == 'Day' || month == 'Month' || year == 'Year'  ) {
					document.getElementById("register_response").className = 'unhidden';
                    document.getElementById("register_response").innerHTML = 'Please complete all fields.';
                    return false;
                    
				}

				else
				{

                    if (password == password2) {
                        var xmlHttp;
                        try {
                            // Firefox, Opera 8.0+, Safari
                            xmlHttp = new XMLHttpRequest();
                        }
                        catch (e) {
                            // Internet Explorer
                            try {
                                xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
                            }
                            catch (e) {
                                try {
                                    xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
                                }
                                catch (e) {
                                    alert("Your browser does not support AJAX!");
                                    return false;
                                }
                            }
                        }
                        xmlHttp.onreadystatechange = function(){
                            if (xmlHttp.readyState == 4) {
                                document.getElementById("register_response").className = 'unhidden';
                                document.getElementById("register_response").innerHTML = xmlHttp.responseText;
                            }
                        }

                        var url = "register.php";
                        var params = "name="+name+"&email="+email+"&password="+password+"&sex="+sex+"&city="+city+"&day="+day+"&month="+month+"&year="+year+"&clearCache="+new Date().getTime();
                        xmlHttp.open("POST", url, true);
                        xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
                        xmlHttp.send(params);
                    } else {
                        document.getElementById("register_response").className = 'unhidden';
                        document.getElementById("register_response").innerHTML = 'Your passwords don\'t match.';
                    }
				}
			}