var sidebarname = "sidebar";
var sidebartop = 52;

ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false
ns7 = (document.getElementById)? true:false

function getStyleObject(name) {
    var o;
    if (ie4) {
       if (typeof eval("document.all." + name) == "object") {
	      o = eval("document.all." + name + ".style");
	   }	  
    } else {
       if (ns4) {
           if (typeof eval("document.layers." + name) == "object") {
	          o = eval("document.layers." + name + ".style");
   	       }	  
       }
       else {
           if (document.getElementById(name) != null) {
 	          o = document.getElementById(name).style;
	       }
	   }
    }
    return o; 
}

var theTop = sidebartop;
var oldTop = theTop;

function doScroll() {
    if (window.innerHeight)
	{
	    theTop = window.pageYOffset;
	}
    else if (document.documentElement && document.documentElement.scrollTop) {
		theTop = document.documentElement.scrollTop;
	} else if (document.body) {
		theTop = document.body.scrollTop;
	}
    
	if (theTop < sidebartop) {
		theTop = sidebartop;
	}

	if (theTop == oldTop) {
	    var obj = getStyleObject(sidebarname);
	    //obj.top = theTop;
	}

	oldTop = theTop;

	temp = setTimeout('doScroll()',400);
}

temp = setTimeout('doScroll()',1500);