/**
 * @author asapunov
 */
function showRegister() {
	var registerBox = document.getElementById("registerbox");
	$('#registerbox').css("left",($(document).width()-$('#registerbox').width())/2);
	registerBox.style.display = "block";
}

function hideRegister() {
	var registerBox = document.getElementById("registerbox");
	registerBox.style.display = "none";
}



function validate() {
	if($('#agree').attr('checked') != true){
		alert('You must agree with the terms');
		return false;
	}
	
	var email = $('#email').val();
	if(!emailCheck(email)) {
		alert("Please insert correct email");
		return false;
	}
	return true;
}

function emailCheck(str){

    var at = "@"
    var dot = "."
    var lat = str.indexOf(at)
    var lstr = str.length
    var ldot = str.indexOf(dot)
    if (str.indexOf(at) == -1) {
        //alert("Invalid E-mail ID")
        return false
    }
    
    if (str.indexOf(at) == -1 || str.indexOf(at) == 0 || str.indexOf(at) == lstr) {
        //alert("Invalid E-mail ID")
        return false
    }
    
    if (str.indexOf(dot) == -1 || str.indexOf(dot) == 0 || str.indexOf(dot) == lstr) {
        //alert("Invalid E-mail ID")
        return false
    }
    
    if (str.indexOf(at, (lat + 1)) != -1) {
        //alert("Invalid E-mail ID")
        return false
    }
    
    if (str.substring(lat - 1, lat) == dot || str.substring(lat + 1, lat + 2) == dot) {
        //alert("Invalid E-mail ID")
        return false
    }
    
    if (str.indexOf(dot, (lat + 2)) == -1) {
        //alert("Invalid E-mail ID")
        return false
    }
    
    if (str.indexOf(" ") != -1) {
        //alert("Invalid E-mail ID")
        return false
    }
    
    return true
}
