//获取焦点时判断
//
//麦冬 2011-06-20
//
function TextOnFousFun() {
    var k = document.getElementById("txt_keyword");
    if (k.value == "" || k.value == "请在此输入搜索关健字") {
        k.value = "";
    }
}

//失去焦点时判断
//
//麦冬 2011-06-20
//
function TextOnBlur() {
    var k = document.getElementById("txt_keyword");
    if (k.value == "" || k.value == "请在此输入搜索关健字") {
        k.value = "请在此输入搜索关健字";
    }    
}

function txtClear()
{
     var txt=document.getElementById("txtEmail");
         if(txt.value==""||txt.value=="Email获取最新优惠信息")
         {
            txt.value="";
         }
}