function checkParam()
{
    var dosFrom = document.getElementById("txtDosFrom");
    var dosTo =   document.getElementById("txtDosTo");
    
    if (dosFrom.value.length == 0 && dosTo.value.length == 0)
    {
        alert("Please select atleast one search criteria");
        return false;
    }

}

//function crap() {
//    alert("Closing the browser");
//    PageMethods.AbandonSession();
//}

//window.onbeforeunload = function() {
//    if (AValidPostback == false) { LogOut(); }
//} 

function Toggle(item)
{
    obj = document.getElementById(item);
    visible = (obj.style.display != "none")
    if (visible)
    {
        obj.style.display="none";
    }
    else
    {
        obj.style.display="block";
    }
}