// set top and left margin of body to visually 0px

var agt = navigator.userAgent.toLowerCase();
var ver = parseInt(navigator.appVersion);
var nav = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
     && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
     && (agt.indexOf('webtv')==-1));

var margin = 0;
if(nav && ver<5) margin = -8;

document.write("<style>body { margin: "+margin+"px; }</style>");