//Strips the leading and trailing spaces off the string
function trim(str){
	var n=str;

	while(n.length>0 && n.charAt(0)==' ') {
		n=n.substring(1,n.length);
	}
	while(n.length>0 && n.charAt(n.length-1)==' ') {		
		n=n.substring(0,n.length-1);
	}
	return n;
}

//function to check if number or not (float Invalid)
function IsNumber(field) {
	return (/^[0-9]*$/.test(field));
}

//functino to alert n' focus
function AlertFocus(MSG,OBJECT)
{
	alert(MSG);
	OBJECT.focus();
}//end of function

//Email id validation
function ValidateEmail(email)
{
	var splitted = email.match("^(.+)@(.+)$");
	if(splitted == null) return false;
	if(splitted[1] != null )
	{
	  var regexp_user=/^\"?[\w-_\.]*\"?$/;
	  if(splitted[1].match(regexp_user) == null) return false;
	}
	if(splitted[2] != null)
	{
	  var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/;
	  if(splitted[2].match(regexp_domain) == null) 
	  {
		var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
		if(splitted[2].match(regexp_ip) == null) return false;
	  }// if
	  return true;
	}
	return false;
}