// JavaScript Document
<!--

//Disable right mouse click Script
//By Maximus (maximus@nsimail.com) w/ mods by DynamicDrive
//For full source code, visit http://www.dynamicdrive.com

var message="Function Disabled!";

///////////////////////////////////
function clickIE4(){
if (event.button==2){
//alert(message);
return false;
}
}

function clickNS4(e){
if (document.layers||document.getElementById&&!document.all){
if (e.which==2||e.which==3){
//alert(message);
return false;
}
}
}

if (document.layers){
document.captureEvents(Event.MOUSEDOWN);
document.onmousedown=clickNS4;
}
else if (document.all&&!document.getElementById){
document.onmousedown=clickIE4;
}

//document.oncontextmenu=new Function("alert(message);return false")
document.oncontextmenu=new Function("return false")

// --> 

function mailCheck(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
}