function fn_mail()

{

	if (document.f1.Name.value=="")

	{

		alert("Please enter name");

		document.f1.Name.focus();

		return false;

	}

	if (document.f1.Company.value=="")

	{

		alert("Please enter company name");

		document.f1.Company.focus();

		return false;

	}

	

	if (document.f1.Email.value=="")

	{

		alert("Please enter email");

		document.f1.Email.focus();

		return false;

	}

	else

	{

		var str=document.f1.Email.value;



		var at="@"

		var dot="."

		var lat=str.indexOf(at)

		var lstr=str.length

		var ldot=str.indexOf(dot)

		

		if (str.indexOf(dot)==(str.length-1))

		{

			alert("Invalid E-mail ID");

			document.f1.Email.focus();

		   return false;

		}

		 if (str.indexOf(at)==-1){

		   alert("Invalid E-mail ID");

		   document.f1.Email.focus();

		   return false;

		}



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

		   alert("Invalid E-mail ID");

		   document.f1.Email.focus();

		   return false;

		}



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

		    alert("Invalid E-mail ID");

			document.f1.Email.focus();

		    return false;

		}



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

		    alert("Invalid E-mail ID");

			document.f1.Email.focus();

		    return false;

		 }



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

		    alert("Invalid E-mail ID");

			document.f1.Email.focus();

		    return false;

		 }



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

		    alert("Invalid E-mail ID");

			document.f1.Email.focus();

		    return false;

		 }

		

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

		    alert("Invalid E-mail ID");

			document.f1.Email.focus();

		    return false;

		 }

	

	}







	var rec;

	rec=document.f1.recipient.value;

	if(rec!='')

		{

//		document.location.href="mailto:"+ rec;

		document.f1.submit();

		}

		else

		{

		alert("Please select recepient");

		document.f1.recipient.focus();

		//return false;

		}

		



}