// JavaScript Document
function hideWatermark(theID)
{   
    var element = document.getElementById(theID);
    element.style.backgroundImage = 'none';
    element.style.backgroundColor = 'transparent';
}
function showWatermark(theID)
{
    var element = document.getElementById(theID);
    if(element.value.length == 0){
        element.style.backgroundImage = "url('/images/watermark.png')";
        }
    else    
        {
        element.style.backgroundColor = 'transparent';        
        }
}