function addWatermark(targetControlUniqueID, watermarkText)
{
    var txt = $(targetControlUniqueID);
    
    if( txt != null)
    {    
        txt.addEvents({
	        'focus': function() {
		        if (txt.value.contains(watermarkText)) txt.value = '';
	        },
	        'blur': function() {
	            if( txt.value.trim() == '')
	            {
		            txt.value = watermarkText;
		        }
	        }
        });
    }
}

function submitWatermarkedTextBox(targetControlUniqueID, watermarktText) {

    var txt = $(targetControlUniqueID);

    if (txt != null) {
        if (txt.value == watermarktText) {
            txt.value = "";
        }
    }
}