var ua = navigator.userAgent;
var checker = {    
    blackberry: ua.match(/BlackBerry/)    
}

var greatestWidth = 1000;

if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)) { 
    var ieversion = new Number(RegExp.$1) 
    if (ieversion <= 8) {

        var alreadyrunflag = 0
        if (document.all && !window.opera) {
            document.write('<script type="text/javascript" id="eScript" defer="defer" src="javascript:void(0)"><\/script>')
            var contentloadtag = document.getElementById("eScript")
            contentloadtag.onreadystatechange = function () {
                if (this.readyState == "complete") {
                    alreadyrunflag = 1;
                    window.onresize = OnResizeDocument;   
                    docReady();

                }
            }
        } //Doc ready
                                               
    }
} //test for ie 7 8 
else if (checker.blackberry) {
    docReady();    
} //test for blackberry

function docReady() {     
    OnResizeDocument();    
}

function OnResizeDocument() {
    var currentWidth = document.documentElement.offsetWidth;    
    var classNames = "";    
    for (i = 100; i <= greatestWidth; i = i + 50) {
        if (currentWidth <= i) {
            classNames += "min" + (i - 50) + "max" + i + " ";
        }
    }
    if (checker.blackberry) {
        var bbBody = document.getElementById("pb-index");
        if (bbBody != null) {
            
            classNames += "minMaxHideOnSmartPhoneAll ";
            classNames += "minMaxShowOnSmartPhoneAll ";
            bbBody.setAttribute("class", classNames);
        } 
    }
    else {
        document.body.className = classNames;    
    }    
}