function IsNumeric(tbox,blnWithDot) 
{
    var divobj = document.getElementById(tbox);    
    var ValidChars = "0123456789";
    if(blnWithDot == 'true')
    {
        ValidChars = "0123456789.";
    }
    var IsNumber=true;
    var Char;
    for (i = 0; i < divobj.value.length && IsNumber == true; i++)
    {
        Char = divobj.value.charAt(i);
        if (ValidChars.indexOf(Char) == -1)
        {
            alert("Please Enter Only Numeric Value.");
            divobj.value=0;
            divobj.focus();
            IsNumber = false;
            return false;
        }
    }
}
function SetDropDownListTooltip(ddlId,tdTxtID,tdDdlID,rfvTxt,rfvDdl)
{
    var ddl = document.getElementById(ddlId);
    ddl.title = ddl.options[ddl.selectedIndex].text;
    
    if(tdTxtID != null && tdDdlID != null && rfvTxt != null && rfvDdl != null && tdTxtID != "" && tdDdlID != "" && rfvTxt != "" && rfvDdl != "")
    {
        var tdTxt = document.getElementById(tdTxtID);
        var tdDdl = document.getElementById(tdDdlID);
        if(ddl.options[ddl.selectedIndex].text == "USA")
        {
            tdTxt.style.display = 'none';
            ValidatorEnable(document.getElementById(rfvTxt),false);
            tdDdl.style.display = 'inline'; 
            ValidatorEnable(document.getElementById(rfvDdl),true);
        }
        else
        {
            tdTxt.style.display = 'inline';
            ValidatorEnable(document.getElementById(rfvTxt),true);
            tdDdl.style.display = 'none'; 
            ValidatorEnable(document.getElementById(rfvDdl),false);
        }    
    }
}