var args = new Object(); 
    var query = location.search.substring(1); 
    var pairs = query.split("&"); 
        for(var i = 0; i < pairs.length; i++) 
        { 
        var pos = pairs[i].indexOf('='); 
        if (pos == -1) continue; 
        var argname = pairs[i].substring(0,pos);  
        var value = pairs[i].substring(pos+1); 
        args[argname] = unescape(value); 
        }

    if (args.b) b = parseInt(args.b);
    else b=0;

    if(b>0 && b<5) 
    {
     for(i=1;i<=4;i++)
     document.getElementById('tdpba' + i +'').style.backgroundColor = "#ffffff";
     document.getElementById('tdpba' + b +'').style.backgroundImage = "url(/_layouts/images/BAFL/personalover.jpg)";
     
     for(i=1;i<=4;i++)
     document.getElementById('pba' + i +'').style.color = "#0669b2";
     document.getElementById('pba' + b +'').style.color = "#ffffff";
    }

  
    if(b==1) document.getElementById('div1').style.display = 'block';
    if(b==2) document.getElementById('div2').style.display = 'block';
    if(b==3) document.getElementById('div3').style.display = 'block';
    if(b==4) document.getElementById('div4').style.display = 'block';