//Javascript Documents


var form = "";

var submitted = false;

var error = false;

var error_message = "";



function check_input(field_name, field_size, message) {

  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {

    var field_value = form.elements[field_name].value;



    if (field_value == '' || field_value.length < field_size) {

      error_message = error_message + "* " + message + "\n";

      error = true;

    }

  }

}

function echeck(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					

	}



function check_email(){

	var emailID=document.Login.myusername

	
	if ((emailID.value==null)||(emailID.value=="")){

		//alert("Please Enter your Email ID")

		emailID.focus()

		return false

	}

	if (echeck(emailID.value)==false){

		emailID.value=""

		emailID.focus()

		return false

	}

	return true

 }




function check_login(form_name) {



  if (submitted == true) {

    alert("This form has already been submitted. Please press Ok and wait for this process to be completed.");

    return false;

  }



    error = false;

  form = form_name;

  error_message = "The following error(s) occurred:\n\nPlease make the following corrections:\n\n";

	check_email("myusername", 6, "Your E-Mail Address must contain @ and dot.");
	check_input("myusername", 6, "Your E-Mail Address must contain @ and dot.");

	check_input("mypassword", 1, "Enter Password.");	
	
	
  if (error == true) {

    alert(error_message);

    return false;

  } else {

    submitted = true;

    return true;

  }

}