function checks() 
{
	
	if (document.demo.username.value == "demo" && document.demo.password.value == "demo1") {

		//alert ("Working.");
		var demo_window = window.open('demo.html');
		demo_window.opener = window;
		demo_window.focus();
		}
	else{
		alert ("Wrong username or password was entered!");
	}

}