IE = (document.all);
NC = (document.layers);
Opera = (document.getElementById);

function getHeight() {
if (IE || Opera) send = document.body.clientHeight;
if (NC) send = window.innerHeight;
return send;
}

function getWidth() {
if (IE || Opera) send = document.body.clientWidth;
if (NC) send = window.innerWidth;
return send;
}

function putLayer() {
widthBrowser = getWidth() - 42;
if(IE) eval('document.all["xyz"].style.left = widthBrowser');
if(NC) eval('document.layers["xyz"].left = widthBrowser');
if(Opera) eval('document.getElementById("xyz").style.left = widthBrowser');
setTimeout('putLayer()',1000);
}