function check()
{
	msg = "";
if(document.forms[0].userid.value=="")
{
	msg = "- User Id\n";
}
if(document.forms[0].password.value=="")
{
	msg  = msg + "- Password\n";
}
if (msg != "")
{
	alert("The Following fields are mandatory:\n" + msg);
	return false;
}
else
	open("","tech_support_customerpop","top=150,left=100,width=600,height=300");
	return true;
}