//Used to Center the RadGrid Popup Edit Form
var popUp;
function PopUpShowing(sender, eventArgs) {
    popUp = eventArgs.get_popUp();

    var windowWidth;
    var windowHeight;

    if (typeof (window.innerWidth) == 'number') {
        //Non-IE
        windowWidth = window.innerWidth;
        windowHeight = window.innerHeight;
    } else if (document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)) {
        //IE 6+ in 'standards compliant mode'
        windowWidth = document.documentElement.clientWidth;
        windowHeight = document.documentElement.clientHeight;
    } else if (document.body && (document.body.clientWidth || document.body.clientHeight)) {
        //IE 4 compatible
        windowWidth = document.body.clientWidth;
        windowHeight = document.body.clientHeight;
    }

    var popUpWidth = popUp.style.width.substr(0, popUp.style.width.indexOf("px"));
    var popUpHeight = popUp.style.height.substr(0, popUp.style.height.indexOf("px"));
    popUp.style.left = ((windowWidth / 2) - (popUpWidth / 2)).toString() + "px";
    popUp.style.top = ((windowHeight / 2) - (popUpHeight / 2)).toString() + "px";
}

// Textbox Counter
function textCounter(field, countfield, maxlimit) {
    if (field.value.length > maxlimit)
        field.value = field.value.substring(0, maxlimit);
    else
        countfield.value = maxlimit - field.value.length;
}