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function checkserch()
{
    var stratTime =document.all("startdate").value;
    var endTime = document.all("enddate").value;
    var arr1=stratTime.split("-");
    var arr2=endTime.split("-");
    if((stratTime == '' & endTime != '') || (stratTime != '' && endTime == ''))
    {
       return false;
    }
    var a1;
    var a2;
    try
    {
        a1=new Date(arr1[0],arr1[1],arr1[2]);
        a2=new Date(arr2[0],arr2[1],arr2[2]);
            if(a1>a2)
            {
                alert("ÆðʼÈÕÆÚ²»ÄÜ´óÓÚÖÕÖ¹ÈÕÆÚ£¡");
                return false;
            }                                       
    }
    catch(e)
    {
    return false;
    }
}


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<script type="text/javas
cript">
var docEle = function() {
    return document.getElementById(arguments[0]) || false;
}
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    var m = "mask";
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