window.addEventListener?window.addEventListener('load',googlemap,false):window.attachEvent('onload',googlemap);

function googlemap() {
if (GBrowserIsCompatible()) {

var map = new GMap2(document.getElementById("map"));
var point = new GLatLng(52.43334506163247, -1.845904290676117);
var html = '<p style="width:235px;">Profile IT<br />Cambrai Court, 1229 Stratford Road<br />Hall Green<br />Birmingham B28 9AA</p><a href="http://maps.google.co.uk/maps?f=q&hl=en&q=B28+9AA&ie=UTF8&om=1&ll=52.433304,-1.846046&spn=0.056307,0.11673&z=13&iwloc=addr">Get driving directions</a>'

map.addControl(new GLargeMapControl());
map.addControl(new GMapTypeControl());
map.setCenter(new GLatLng(52.43334506163247, -1.845904290676117), 15);
var marker = new GMarker(point);
map.addOverlay(marker);
GEvent.addListener(marker, "click", function() {
marker.openInfoWindowHtml(html);
});
marker.openInfoWindowHtml(html);
}
}