// This function is used to validate an email address 
function isEmailAddr(email)
{
  var result = false
  var theStr = new String(email)
  var index = theStr.indexOf("@");
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}

function emailValidate(){	
 if(document.frm.email.value==""){
	   
	   alert("Please enter Your Email");
	   document.frm.email.focus();
	   return false
	   
   }else if(isEmailAddr(document.frm.email.value)==false){
	   
	   alert("Please enter valid Email");
	   document.frm.email.focus();
	   return false	   
	   
   }
   else
   return true
	
}