var xmlHttp;
function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
	  {
	  // Firefox, Opera 8.0+, Safari
	  xmlHttp=new XMLHttpRequest();
	  }
	catch (e)
	  {
	  // Internet Explorer
	  try
	    {
	    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
	    }
	  catch (e)
	    {
	    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
	    }
	  }
	return xmlHttp;
}
function oszlopmagassagegyeztetes()
{
	var ablakk = window.outerHeight;
	var ablakb = screen.height;
	var browser=navigator.appName;
	if (browser=="Microsoft Internet Explorer")
		var magassag = (ablakb - 328);
	else 
		var magassag = (ablakk - 338);
	var belso_style = document.getElementById('belso').style;

	if (magassag > 650) belso_style.minHeight = magassag+'px';
}