function checkEmail(email)
{
	var length = email.length;
	var index1 = email.indexOf("@");
	var index2 = email.lastIndexOf(".");
	
	if(index1<=0)
		return false;
	else if(index2<=0)
			return false;
		 else if(index1>=length)
		 		return false;
		 	  else if(index2>=length)
		 	  		 return false;
		 	  	   else
		 	  	     return true;
}