function checkvalid()

{

	if(document.contactform.textfield1.value.length < 1)

	{

		alert("Please Enter Name");

		document.contactform.textfield1.focus();

		return false;

	}

	

	if(document.contactform.textfield2.value.length < 1)

	{

		alert("Please Enter Email");

		document.contactform.textfield2.focus();

		return false;

	}



	// Start Email Validation

	var i;

	var input = document.contactform.textfield2.value ;

	var lenth = input.length ;

	var ctr=0 ;



	if ( ( document.contactform.textfield2.value.charAt(i) == '!' ) || ( 	document.contactform.textfield2.value.charAt(i) == '#' ) )

    {

	  alert("Please enter a proper email address") ;

	  document.contactform.textfield2.focus();

      return false;

    }

	if (input =="")

	{

		alert("Please enter email address") ;

	    document.contactform.textfield2.focus();

		return false ;

	}

	if(input.length == 40)

	{

		alert("Please enter a proper email address") ;

	    document.contactform.textfield2.focus();

		return false ;

	}



	for ( i=0; i < lenth; i++ )

	{

		var oneChar = input.charAt(i) ;

		if(oneChar == "@")

		{

			ctr = ctr+1 ;

		}

		if ( (i == 0 && oneChar == "@") || (i == 0 && oneChar == ".") || 

			( oneChar == " " ) )

		{

			alert ( "This does not seem to be a proper email address" ) ;

	        document.contactform.textfield2.focus();

			return false ;

		}

		if ( (oneChar == "@" && input.charAt(i+1) == ".") || 

			(oneChar == "." && input.charAt(i+1) == "@") ||

			(oneChar == "." && input.charAt(i+1) == ".") )

		{

			alert ( "This does not seem to be a proper email address" ) ;

	        document.contactform.textfield2.focus();

			return false ;

		}

		if( input.indexOf("@") < 2 )

		{

			alert ( "This does not seem to be a proper email address" ) ;

	        document.contactform.textfield2.focus();

			return false ;

		}

		if(input.indexOf(".")<4)

		{

			alert ( "This does not seem to be a proper email address" ) ;

	        document.contactform.textfield2.focus();

			return false ;

		}

		if (ctr > 1)

		{

			alert ( "This does not seem to be a proper email address" ) ;

	        document.contactform.textfield2.focus();

			return false ;

		}

	}	// End Email Validation Script



	if(document.contactform.textfield3.value.length < 1)

	{

		alert("Please Enter Phone");

		document.contactform.textfield3.focus();

		return false;

	}
	if(document.contactform.validator.value.length < 1)
	{
		alert("Please Enter Validation Text");
		document.contactform.validator.focus();
		return false;
	}
}



function pollwin()

{

	pollwindow=window.open('','pollwindow','top=0,left=0,status=no,toolbars=no,scrollbars=yes,width=600,height=450,maximize=no,resizable');

}