var CSS_SELECTED = "headerItemSelected";


function onLoad()
{

	// _url variable should be set by the server
	if (_url != "")
	{
	//debugger;
		linkId = "link_" + _url.split('.')[0];
		var link = document.getElementById(linkId);
		if (link != null) link.getElementsByTagName("img")[0].className = CSS_SELECTED; 
	}	

	//check if IE7 and fix header menu
	if (getInternetExplorerVersion() == 7)
	{
		var el = document.getElementById("header_menu_list");
		el.style.height = "63px";
		el.style.top = "3px";
		el.style.left = "-37px";
	}
}


// Returns the version of Internet Explorer or a -1 (indicating the use of another browser).
function getInternetExplorerVersion()
{
  var rv = -1;
  if (navigator.appName == 'Microsoft Internet Explorer')
  {
    var ua = navigator.userAgent;
    var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
    if (re.exec(ua) != null)
      rv = parseFloat( RegExp.$1 );
  }
  return rv;
}