var find;
function searchShow(obj) {

    var str = obj.value;
    if (str == "")
        obj.value = find;
}
function searchHide(obj) {
    var str = obj.value;
    if (str == find)
        obj.value = ""
}
function changeTableStyle(myObject) {
    myObject.style.backgroundColor = "#edefff";
    myObject.style.borderColor = "#309ACD";
    myObject.style.color = "#666666";
    myObject.style.borderStyle = "solid";
}
function changeTableStyleBack(myObject) {
    myObject.style.backgroundColor = "#FFFFFF";
    myObject.style.borderColor = "#E7EAFF";
    myObject.style.color = "#999999";
}