if(document.getElementById('modify_ecard_card_flash') != null)
{
	var file   = document.getElementById('modify_ecard_card_flash');
	var width  = document.forms['modify_ecard'].card_width.value;
	var height = document.forms['modify_ecard'].card_height.value;
	
	file.onchange = function()
	{
		if(file.value != '')
		{
			document.forms['modify_ecard'].card_width.value  = '';
			document.forms['modify_ecard'].card_height.value = '';
		} else {
			document.forms['modify_ecard'].card_width.value  = width;
			document.forms['modify_ecard'].card_height.value = height;
		}
	}
	
}