// JavaScript Document

function checkval(field,text)
{
	if(field.value=="")
	{
		window.alert("Please Enter " +text+ " !");   
	field.focus();
	return true;
	}
	return false;
}


function isNotEmail(field , text)
{
    mailstr=field.value;
	
	a = mailstr.indexOf(".");

	b = mailstr.indexOf("@");

	c = mailstr.indexOf(" ");

	d = mailstr.lastIndexOf(".");

	e = mailstr.length;

	if( (a == -1) || (b == -1) || (c != -1) || (d < b) || ( d == e - 1) || (b+1 == a) )
	{
      alert("Please Enter Valid Email Id !");
      field.focus();
	  return true
	}
	else
	 return false;
}