function validmail(obj)
	{								 <!--  checking valid email address-->		
									
var EmailOk  = true
var Temp     = obj
var AtSym    = Temp.value.indexOf('@')
var Period   = Temp.value.lastIndexOf('.')
var Space    = Temp.value.indexOf(' ')
var Length   = Temp.value.length - 1   // Array is from 0 to length-1

if(obj.value !=""){
if ((AtSym < 1) ||                     // '@' cannot be in first position
    (Period <= AtSym+1) ||             // Must be atleast one valid char btwn '@' and '.'
    (Period == Length ) ||             // Must be atleast one valid char after '.'
    (Space  != -1))                    // No empty spaces permitted
   {  
      EmailOk = false
      alert("Please enter a valid e-mail address!");
      Temp.value="";
      Temp.focus();
      return EmailOk;
   }
	}

}


function validatenewsletter()
{
if(document.nl.name.value=='Enter your name' || document.nl.name.value=='')
{
alert("Enter your name");
document.nl.name.focus();
return false
}
if(document.nl.email.value=='Enter your email' || document.nl.email.value=='')
{
alert("Enter your Email id");
document.nl.email.focus();
return false
}
if (echeck(document.nl.email.value)==false){
		document.nl.email.value="";
		document.nl.email.focus();
		return false
	}	
return true;
}