<!--//
function Controlla1(){
if (document.my_form.txtemail.value==""){
		alert("Please enter a valid e-mail address.");
		return false;
	}else{
		if (document.my_form.txtemail.value.indexOf("@")==-1){
			alert("Please enter a valid e-mail address.");
			return false;
		}	
	    if (document.my_form.txtemail.value.indexOf(".")==-1){
			alert("Please enter a valid e-mail address.");
			return false;
		}	
	}
if (document.my_form.txtpass.value==""){
alert("Please enter a valid password.");
return false;
}

return true;
}
//-->