function setDefault(obj, value) {
    if (obj.value == "")
        obj.value = value;
}
function selectValue(obj) {
    obj.select();
}
function roundit(Num, Places) {
    if (Places > 0) {
        if ((Num.toString().length - Num.toString().lastIndexOf('.')) > (Places + 1)) {
            var Rounder = Math.pow(10, Places);
            return Math.round(Num * Rounder) / Rounder;
        }
        else return Num;
    }
    else return Math.round(Num);
}
function getDropDownSelectedText(ddlID) {
    return $(ddlID + " option:selected").text();
}
function copyDropDownList(srcID, destID) {
    $(destID).html($(srcID).html());
}

String.prototype.trim = function () { return this.replace(/^\s+|\s+$/g, ''); };

/*
Only Number TextBox

$("#txtPassengers").keydown(function (event) {
            // Allow only backspace and delete
            if (event.keyCode == 46 || event.keyCode == 8) {
                // let it happen, don't do anything
            }
            else {
                // Ensure that it is a number and stop the keypress                
                if (event.keyCode < 49 || (event.keyCode > 54 && event.keyCode < 97) || event.keyCode > 102) {                    
                    event.preventDefault();
                }   
            }
        });


OnChange of input

$('#txtPassengers').change(function () {
            calculatePrice();
        });



Check object exist

if ($('#....').length) {            
            
        }




*/