var strWatermark;
strWatermark = 'search';

function WatermarkFocus(txtElem) {
    var searchText = document.getElementById(txtElem);
    if (searchText.value == strWatermark) searchText.value = '';
   
}

function WatermarkBlur(txtElem) {
    var searchText = document.getElementById(txtElem);
    if (searchText.value == '') searchText.value = strWatermark;

}