function login_validate()
{

	 if((/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(document.getElementById("email").value))==false) 
		{
			alert("Please enter valid Email address!");
			document.getElementById("email").focus();
			return false;
		}

     
	 if(document.getElementById("password").value == "")
	  {
			alert("Please enter password!");
			document.getElementById("password").focus();
			return false;
	 }
	
}