<!-- Begin

var submitcount=0;


function reset() {

document.emailform.email1.value="";

}


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 Address")

		   return false

		}


		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){

		   alert("Invalid E-mail Address")

		   return false

		}


		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){

		    alert("Invalid E-mail Address")

		    return false

		}


		 if (str.indexOf(at,(lat+1))!=-1){

		    alert("Invalid E-mail Address")

		    return false

		 }


		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){

		    alert("Invalid E-mail Address")

		    return false

		 }


		 if (str.indexOf(dot,(lat+2))==-1){

		    alert("Invalid E-mail Address")

		    return false

		 }

		
		 if (str.indexOf(" ")!=-1){

		    alert("Invalid E-mail Address")

		    return false

		 }


 		 return true					

	}


function checkFields() {                       // field validation -

var emailID=document.emailform.email1

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

		alert("Please Enter your Email Address")

		emailID.focus()

		return false

	}

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

		emailID.value=""

		emailID.focus()

		return false

	}

	else 

   {

   if (submitcount == 0)

      {

      submitcount++;

      return true;

      }

   else 

      {

      alert("This form has already been submitted.  Thanks!");

      return false;

      }

   }

 }


//  End -->