function clearField(field) 
    {
    	if (field.value == field.defaultValue) 
    	{
    	   field.value = "";
        }
    }
    
    function resize_image(max_width,max_height,image)
	{
		if (image.width > max_width) 
		{
			image.width = max_width;
		}
		if (image.height > max_height)
		{
		    image.height = max_height;
		}
	}	

	function MM_openBrWindow(theURL,winName,features) 
	{
        window.open(theURL,winName,features);
    }