function validateLogin(frm) {	
	
		if (frm.user.value == "") {
    		alert("Please enter your email.");
        	frm.user.focus();
        	return false;
	    } 
	    
	    else if (!isEmail(frm.user.value)) {
	    	alert("Invalid email.");
	        frm.user.focus();
	        return false;
	    } 
		
		else if (frm.password.value == "") {
		    alert ("Please enter your password.");
		    frm.password.focus();
		    return false;
		} 
		
		return true;
	}