function Camera(id,w,h) 
{
	h = h + 50;
	w = w + 30;
	window.open('./show_cam.php?id='+id+'&language=en','',
		'toolbar=no,scrollbars=yes,location=no,status=no,width='+w+',height='+h+',resizable=0');
}
function validate(myField,rexp,name) 
{
    myField = trim(myField);

    if ((rexp.test(myField.value))||(myField.value==""))
	{
	return true;
	}
    else 
	{
	alert('Invalid entry for ' + name + '.');
	return false; 
	}
}

function require(myField,name) 
{
    if (myField.value != "")
	{
	return true;
	}
    else 
	{
	alert(name + ' is a required field'); 
	return false; 
	}
}

function chk_psw(myField,myField2,name) 
{
	if ( myField.value == "" && myField2.value == "" )
	{
		alert(name + ' is required'); 
		return false;
	}

	if ( myField.value == "" )
	{
		alert(name + ' must be retyped twice'); 
		return false;
	}

	if ( myField2.value == "" )
	{
		alert(name + ' must be retyped twice'); 
		return false;
	}

	if (myField.value != myField2.value)
	{
		alert(name + ' must be retyped twice with the same value'); 
		return false; 
	}

	return true;
}

function chk_radio(myField,name) 
{
	if ( myField[0].checked || myField[1].checked )
	{
		return true;
	}

	alert(name + ' : select Yes or No'); 
	return false;
}