function createXMLHttpRequest() 
	 {
	   try { return new XMLHttpRequest(); } catch(e) {}
	   try { return new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) {}
	   try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) {}
	   return null;
	 }

/*
	
	function getPHPVar(name) 
	{
		var varName = name + "=";
	
		var ca = phpVars.split(';');
	
		for(var i=0;i < ca.length;i++) 
		{
			var c = ca[i];
	
			while (c.charAt(0)==' ') c = c.substring(1,c.length);
	
			if (c.indexOf(varName) == 0) return c.substring(varName.length,c.length);
		}
	
		return null;
	}

*/